- test-drb@ccmp.vtda.org - classiccmp.org

by Philip.Belben＠powertech.co.uk

> Well, if you could post the power specs, power cord pinouts, etc... > Also, if there is a main board, how much power does it need? Did you mean me? I have no idea of all this sort of info on the S/34. But a lot of it can often be found looking inside the various boxes and subassemblies of the machine. Philip.

28 years, 2 months

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What's a Xerox 83D?

by ard＠p850ug1.demon.co.uk

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28 years, 2 months

7
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Apple //gs boot problem

by pb14＠leicester.ac.uk

On 16 Feb 98 at 9:29, Richard A. Cini wrote: > Turned-on, yes. Warmed-up for 30s, no. The drive did finish it's > power-on sequence and came to a rest, though, which happens in less than > 30s. > > Does the GS/OS use a special boot block like the MS-DOS boot sector, or > does it just look for the ProDOS file? You say that the drive came from a Mac SE. Did you low level format or re-partition the disk on the IIGS before installing GS/OS? I share a drive between a IIGS and a couple of Macs, so the drive has a ProDos partition and a couple of HFS ones too. Often the IIGS barfs on startup when it comes across the APPLE_DRIVER43 partition map; I find that a Command-Control-Reset sorts this out and the IIGS boots normally. Phil ************************************************************** Phil Beesley -- Computer Officer -- Distributed Systems Suppport University of Leicester Tel (0)116 252-2231 E-Mail pb14(a)le.ac.uk

28 years, 2 months

1
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Linux, Apache, Scripting books (Off-Topic)

by sinasohn＠ricochet.net

At 09:21 AM 2/14/98 -0800, you wrote: >As for Linux....are you new to Unix? Start there. I bought one of those If you're new to linux, but not to MS-DOS (or even CP/M, I guess) there's a DOS-to-Linux tutorial on the web. It's at <http://linuxwww.db.erau.edu/ldp/HOWTO/DOStoLinux-HOWTO.html>. Actually, there are much better places to look for recomendations on books for modern OS's and languages than a Classic Computers list. >Atari BBS* instead. Mine was a 130XE with 384K ram (I did the upgrade >myself - had to run it with the cover off because of the heat), 4 1050 >disk drives, and a single 2400b Codex modem. I was 13 years old, I don't ABACUS (the Atari Bay Area Computer Users Society) still runs it's BBS on an Atari 1040ST. (Though, to keep this off-topic, we're thinking of moving to a linux box.) --------------------------------------------------------------------- O- Uncle Roger "There is pleasure pure in being mad roger(a)sinasohn.com that none but madmen know." Roger Louis Sinasohn & Associates San Francisco, California http://www.sinasohn.com/

28 years, 2 months

3
2
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IEEE-488 and Commodore (was: GP-IB)

by lfb107＠psu.edu

>Oh well, you gotta love it. > >PS. So the Commodore did suck after all ;) yes, but not quite as sucky as Atari's and especially Apple II's! : P Les

28 years, 2 months

2
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LCD life

by manney＠nwohio.com

> <>Does anyone know how well LCDs hold up against time (provided, of course > <>that they are not cracked!)? > > There is no finite life assuming they havent been abused. I just picked up a Panasonic PC 7100 ('84 or '85) Lunchbox that works fine, but the backlight's gone. I also have a NEC XT laptop (don't remember the model) that has a screen in beautiful shape, backlight and all. I should imagine that the cables feeding the display would be a weak link. manney(a)nwohio.com

28 years, 2 months

2
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Ohio Freebies Available!

by kyrrin2＠wizards.net

Found on Usenet. Contact this fellow directly if you can give his offerings a well-deserved home. -=-=- <snip> -=-=-= Path: Supernews70!Supernews73!supernews.com!howland.erols.net!ais.net!news.ais.net.POSTED!not-for-mail From: devnull(a)pobox.com (devnull) Newsgroups: alt.sys.pdp11 Subject: free stuff (not spam!) Message-ID: <34ead60c.10785016(a)news.ais.net> X-Newsreader: Forte Agent 1.5/32.451 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Lines: 47 Date: Mon, 16 Feb 1998 06:00:56 GMT NNTP-Posting-Host: dyn-tc01-73.chi.ais.net NNTP-Posting-Date: Mon, 16 Feb 1998 00:00:56 CST Xref: Supernews70 alt.sys.pdp11:3016 * * * FOR SALE OR DONATION * * * Due to increasing financial and other pressures, I am being forced to get rid of a substantial part of my Computer Collection. Most of this stuff is heavy and bulky, so any local pickup that can be arranged would be strongly preferred. I will deliver to you in the area, but most of this stuff simply cannot be shipped. If there is an individual part or board you want, and you want to pay for shipping, I will do my best to make that happen for you. I will accept any amount of money for any given item, or I will accept no money. If you are in the area or coming here to pick something up, it probably wouldn't hurt to buy me a burrito or something, as its going to hurt to part with some of this junk. My only condition is that this equipment goes to a collector (at least someone who appreciates the item) and not to the junk heap. I have spent far too much time and effort preserving what little I do have to allow this stuff to meet its end that way now. I am in the Chicago, Illinois area. Please contact me through email at devnull(a)pobox.com. Here is a partial listing, I can search for specifics if you like. Best Bet would be to come on by and take a look: PDP 11/04 Computer with unknown boards. DEC TU60 DECASSETTE DRIVE AED 6200P quad-8" Floppy drive, I believe with PDP11 interface (unbelievably heavy) (Qty3) PDP-11 in BA23 enclosure (tower) [two 11/23, one 11/53] DEC TK25 tape drive (various parts of) External RD52 Drives Various Quadbus and Unibus PDP boards (list is being compiled) Various Cables from above systems 3 good size boxes of repair manuals from Tandy repair shop [mostly Panasonic Printers, Sony Monitors, Tandy stuff] Ohio Scientific Challenger TI Silent 700s Various 8 bit systems/parts Lots of 1200 baud modems -=-=-=-=-=-=-=-=- Bruce Lane, SysOp, The Dragon's Cave BBS (Fido 1:343/272) kyrrin2 {at} wiz<ards> d[o]t n=e=t "...No matter how hard we may wish otherwise, our science can only describe an object, event, or living creature, in our own human terms. It cannot possibly define any of them!..."

28 years, 2 months

1
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Remember that thread on MFM harddisk noise?

by SUPRDAVE＠aol.com

In a message dated 98-02-16 15:09:50 EST, you write: << BTW, I'm gonna run Norton Calibrate over it, just to see if it's toast or not... >> ...or you could always call debug and low level format it after it's warmed up. i have revived many mfm drives by doing so. most of them get a second life! david

28 years, 2 months

1
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New Finds

by jrkeys＠concentric.net

Well it's been a busy weekend went to a Hamfest/Computer Swap this Saturday in Blaine MN and got a Mac IIx for $25 unit works great has 16meg of memmory and was loaded with good software and system 7.1; a NEC APCIV PowerMate portable that works great for $10; a Mac LC475 new case for $1; and alot of notebook power supplies for $1 each. A Commodore 1802 monitor in great shape for $20 at Goodwill; a Compaq 286e with KB, mono VGA monitor for $12.50 and it works great with 4 meg of memory, 42 meg HD with nice software on it; a Hyperion model 3012 with a nice carrying case, a ram upgrade in one of the case pockets and a owners' manual will be firing this one up later tonight; a IBM 6091-19 monitor for $15 can't it to work with my RS6000 box. I still have a pickup load of stuff to open and see what I have purchased over the last few days, will update later. Well Keep Computing - John

28 years, 2 months

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System/34 contd.

by maxeskin＠hotmail.com

Well, if you could post the power specs, power cord pinouts, etc... Also, if there is a main board, how much power does it need? >From: Philip.Belben(a)powertech.co.uk >To: "Discussion re-collecting of classic computers" <classiccmp(a)u.washington.edu> >Subject: Re[2]: System/34 contd. > >The mail software crashed while I was typing this. Oh well, try >again... > >> I doubt I will be using the thing because it needs a 220-volt plug, >> which there are at my school, but noone would let me put it in their >> room. There isn't any space in my apartment either :). Could I >> somehow wire to 110-volt plugs to get 220? If there is some kind of > >You can try it if you like, but you'd far better notter! > >Seriously, in most (afaik) homes/schools/offices in the US, it is >possible to find 230V between the live terminals of two suitably chosen >sockets. But this is not recommended. In particular, you cannot >connect the output voltages of two randomly chosen sockets in series >and expect the wiring to survive... > >I'd recommend a 110/220V transformer. They do exist and they are not >very difficult to find. It may also be possible to modify the PSU. >Don't give up that soon! > >> "getting started" thing, photocopies would be fun, just to look at... > >I may have spare copies of some pocket reference guides. There is one >for the OS (about 1/2 inch thick) and one for the assembler at least. I >shall have a look - eventually! > >Philip. > > > ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

28 years, 2 months

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I am also a Glad Cromemeco User System 2

by IMoeschel＠t-online.de

Hi just wont to say hello fro Germany. That I have a Cromemco System 2 to in Use (But lack of Software) Also 10 MB or I believe 5 MB HDD is not working correctly It would be nice if we could xchange Info on these Very Huge and Old Computers >>>>32 Bit in 1995 I don't think so Cromix 1977 <<<<<<< Thanx Ingo

28 years, 2 months

2
1
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I got an Apple ProFile hard drive.

by allisonp＠world.std.com

<Remember, all older MFM, ESDI and some early SCSI drives always need <annual or bi yearly LLF job. I have a st506 that I formatted once and never again and it still works fine. I do however run a program that checks it for bad sectors, haven't found many over the years. The need for reformats is urban legend and I have a bunch of RD52/53/54(mfm) and a potload of st506 and st412 drives that haven't been reformatted unless moved to a different system where the controller was incompatable with the former format. However to qualify that I've seen many systems with power down problems where they would write garbage to the disk causeing a need for reformats. I've also seen system with power and heat problems. Optimally the drive should run over a narrow temperature range that is centered at the temperature they were formatted at. most time they are asked to run much hotter and that means the stepper is not centered on the thermally repostioned tracks. This can be made worse by reformatting the drive as cold as it will warm up and all the track centering will be off leading to errors and a likely reformat. Later voicecoil and other servo positioned drives are immune to this as the servo track or embedded servo information will insure it tracks with temperature and bearing wear. Allison

28 years, 2 months

2
1
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Free in Portland area DSSI drives

by healyzh＠ix.netcom.com

I know someone with 4+ DEC DSSI drives, you haul them away. Contact me if interested. | Zane H. Healy | UNIX Systems Adminstrator | | healyzh(a)ix.netcom.com (primary) | Linux Enthusiast | | healyzh(a)holonet.net (alternate) | Classic Computer Collector | +----------------------------------+----------------------------+ | For Empire of the Petal Throne and Traveller Role Playing, | | see http://www.dragonfire.net/~healyzh/ | | For the collecting of Classic Computers with info on them. | | see http://www.dragonfire.net/~healyzh/museum.html |

28 years, 2 months

2
6
0 0

RSTS/E on a PDP-11?

by rcini＠email.msn.com

As part of my recent haul from Temple Univ., I got two versions of RSTS/E. I can't seem to get my PDP-11/34 to read the disk packs. Can RSTS/E be used on an 11/34? If not, does anyone want these packs? Also, the LA100/180 boards and the Printronix boards are up for grabs. Rich Cini/WUGNET <nospam_rcini(a)msn.com> (remove nospam_ to use) ClubWin! Charter Member (6) MCP Windows 95/Windows Networking ============================================

28 years, 2 months

2
1
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Xerox Daybreak hard disk connector

by ard＠p850ug1.demon.co.uk

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28 years, 2 months

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rom

by DRR＠NE.INFI.NET

I have the roms for ZWX-0248-62 if that will help you. (Zenith 286)

28 years, 2 months

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Remeber that thread on MFM harddisk noises?

by DSEAGRAV＠toad.xkl.com

Those .wav file are now online, at http://209.174.127.164/stuff/ The trailing / is important, the DNS is still broken {grumble grumble...} spinup.wav is the drive spinning up, hdd.wav is the normal operation. There's 900KB and 750KB. Have fun! Oh, and you get to hear me in those... -------

28 years, 2 months

1
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Remember that thread on MFM harddisk noise?

by DSEAGRAV＠toad.xkl.com

This one's VERY interesting... Shop teacher brings up a 486 with a dead harddisk. Opening it reveals a full-height, 350mb MFM harddisk. Atasi model 630. It looks like an RD53, it even has the little spinner underneath that looks like a fan... Anyway, he's got the control cable half-on, and backwards, and the drive params are greviously wrong. So I reseat the cable, set the prarams, connect the power to the drive and power the machine on. Spin up sounds normal, until the heads load... CH-THUNK -BUZZZZZ- CRRARRRGGGH BUZZ- CLUNK - ETC. THe drive sounds like it's come apart inside! But it apprears to be working... So I boot DOS from it and load defrag. Quite a few bad sectors. Defrag gets underway. CH-CLUNK BUZZZZ CRRRAAAARRRGH etc. This doesn't sound good... But the drive is still working fine! It's dancing across the table as it goes, but it seems to be working fine... So now I'm gonna make a .wav of this, this sounds really great... Expect it online sometime soon! BTW, I'm gonna run Norton Calibrate over it, just to see if it's toast or not... -------

28 years, 2 months

1
0
0 0

BBC Model B - video help

by adavie＠mad.scientist.com

No, we're talking rock-steady picture, but garbled If the cursor is at the bottom 1/2 of the (logical) screen, you NEVER see what you're typing If its at the top half, you see about 20x what you're typing. Its definitely not a TV adjustment problem. Thanks, though! Andrew >Hi Andrew: >Here is what I would look for and try to adjust --- Horizontal >frequency. >This sounds like it is some multiple of the desired (for the monitor) >rate. That's what's getting the multiple images across the width of the >screen. >Also (maybe first, but definitely in conjunction with the above) look >for 'Vertical' frequency/lock. This one is what is getting you multiple >images in the vertical direction. Memory says that the adjustment is >"roll down (image) and just return the adjustment the other direction >till it locks in place." >The 'horizontal lock' is a much courser adjustment. > >(This is all standard TV/Monitor adjustment stuff. If anyone has any >specific advice different from this, by all means, give it a try.)

28 years, 2 months

2
1
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LCD life

by allisonp＠world.std.com

<Robinson!)...is there any point to having a screen saver on a machine wit <an LCD display? That is, is there any advantage to having the LCD pixels <all black (or black with a distraction running around the screen) as <opposed to steady, showing the last thing you did? < - Mark LCD life is way out there in hours if one proviso is met at the design level. NONE of the elements should see a DC bias of any sort, failure to meet that requirement insures destruction by deplating the elements and contaminating the LC fluid. High temperatures can be destructive as well. My experience I have a 18 year old 5x7x16 pannel that still works great. Allison

28 years, 2 months

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disk equals license (soon: horse flogging)

by jfoust＠threedee.com

Roger Merchberger <zmerch(a)northernway.net> wrote: >You're both right, in a way. >John H.: Chuck the disks, give up license. Yup. >John F.: The upgrade disks require a license to previous software -- you >now essentially have two linked licenses >Is the license bound to *all* of the media? To me, the problem is with the person who finds the software in the dumpster and assumes that equals a license. It's not. The original owner might've even been told by Autodesk to destroy their old media. I can't see why the license owner shouldn't be free to do that, and although I love to read the fine print, I do not recall ever seeing language to that effect. To argue otherwise would only encourage rampant pack-rat-ism. Of course, members of this mailing list don't need an extra dose of that. :-) "James L. Rice" <jrice(a)texoma.net> wrote: >AutoDesk requires you to trade the original disks from the previous >version at the dealer to order the upgrade. I think they did once upon a time. Today they tend to use dongles to protect software, so there's no way to use dumpster software as-is. Uncle Roger <sinasohn(a)ricochet.net> wrote: >Now, let's say, we've both upgraded, and I give him back his original >disks. Am I now a pirate? Was I a pirate before? Or was he the pirate >before? It can depend on the company policy. Some companies are happy to take money from anyone - legit owner or not - when it comes to upgrades. Others are more careful about tracking serial numbers and might not allow the upgrade. - John Jefferson Computer Museum <http://www.threedee.com/jcm>

28 years, 2 months

3
4
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64K kernel on C64

by mallison＠konnections.com

To whom it concerns: I'm forwarding this info on C64 stuff. I apologize upfront for quoting this rather large faq. You may drown me in beer at our next meeting... -Mike Adam Bauer wrote: > > As for the argument that you can't have a decent kernel in 64K, here is > Lunix, Linux for C64's.. > > http://wwwcip.rus.uni-stuttgart.de/~etk10217/lunix/lunix.html > (mirror) http://www.kuai.se/~mage/lunix/ > > While it does serve as an inspiration, maybe we can steal^H^H^H^H^Hborrow > some source? > > --- snip from README --- > > .d#M*#MHb\ > M? dH*" `Hb. > TM. ,MH' `M| > 9b. .MH' JM: LUnix-Version 0.1 patchlevel 3b > ?M, HM' ?M' =============================== > `*M#ML___.__,o#H'' Oct 5, 1996 > HH'"'"""*"'' > :M' > HP ,/# > |M' ,. `"` > dH .H .. .o. .ov\o\ ., .o, > ,, > ___. JM' d| H' ``dP `\. |? `H, > .d#' > .dM#**HMq\. ,MT ,P JT -M| || & `H? > ?M' > JP' ``9H\?M' || .H' M| || 6 `9b. ,HH' > MR `9M6 :? |M M| || M ?H, ?M' > HM JM*H\ `booov="9? M| || 9. `MHH" > `Hb. _dH' `*9b\. " |MT H. || ,HP>&o. > `#H###H"' `*##\. `' ' .,H*' `Hb. > `"#Hb\_ _?#*'' > "*&#o > "*Hbbo\__ __oo##*"" > "' > Index `"'***M=###booooobd##&*"""" > ============ ""' > > 1. What the hell is LUnix ? > > 2. How to start LUnix ? > > 3. Files/Applications comming with LUnix > > 3.1 The LUnix-Shell (sh0.exe, the default-shell) > 3.2 The LUnix-Netdriver > 3.3 The LUnix debugger LDB > > 4. Where can i get the lastest version of LUnix and/or updates, patches ? > > 5. Can i write my own LUnix-applications ? > > -------=============#####################################==============---- > --- > > 1. What the hell is LUnix ???? > ============================== > > LUnix is a new operating system for the Commodore64 (or C128 in C64-mode). > I started writing LUnix in 1994. The system core is a minimal > implementation of a multitasker. I followed an idea of A. Einstein, > who said: > > "Make is as simple as possible, but not simpler" > > I'd say LUnix tends to be a little bit too simple :-) > > - LUnix is a operating system for the C64 (no hardware expansions > required) > (LUnix stands for "little UNIX", well don't expect too much :) > LUnix doesn't support additional hardware yet, the next version will > be able to support external RAM (assuming someone will write a > modul/driver > for it). > > - LUnix provides real multitasking, so there can be more than one process > at a time. (Up to 32 processes. LUnix can't swap out stopped processes, > so all of them must fit into main memory at once. The next version will > support process-data in external RAM) > > - Using the termial-server "term9600" you can connect a terminal (via > RS232) > to your C64 and have a second user online on your C64. > > - Dynamic memory management. (only internal memory, bank0) > > - A small kernal but multipurpose. (well i hope so :-) > > What for, why ?? > ================ > > A real C64-freak always wants to do the impossible, thats one of > the main reasons, why i started writing LUnix. Many peaople think, that > UNIX (multitasking/multiuser) can only run on big workstations with lots > of megabytes RAM and gigabytes of discspace. I want to have (a kind of) > UNIX on my little C64, having only 64kbyte and a normal > 171kbyte-1541floppy. > My dream would be, that people agree with me, that this isn't only fun > but also makes sense. > > 2. How to start LUnix : > ======================= > > Get the archivefile "lunix01p3b.c64" into your C64 and run it. Its a self > extracting archive. Start it like a normal basic-programm, it will then > save all the lunix-files to device 8 of your C64 (e.g. your 1541-floppy). > After all the files have been extracted, you can start LUnix by using > the boot(-BASIC)-programm called "loader". > > load"lunix01p3b.c64",8 > ... > run > > then > > load"loader",8 > ... > run > > and follow the prompts. > > 3. Files comming with LUnix: > ============================ > > Systemfiles > ----------- > > loader o A BASIC programm that loads and starts LUnix. > > lunix.sys o The LUnix system core. > > bootdrv.drv o The bootdriver that the system will use to load the > first > command shell. > > init.exe o The screen manager (console) > > 3.1 Applications > ---------------- > > sh0.exe - sh0.exe > > Invokes another (sub-) command shell. > > a1541 - a1541 > Replaces the normal disc-driver by a > IRQ-loader. > You must enable this driver before accessing > the > RS232. (eg. before running "term9600"). > > cat * cat <file> > > Prints a file to stdout. > > cd * cd <directory> > > Changes the working directory. > > count - count > > Counts up from <000> to <255> and put the > numbers > to stdout. Just makes some noise :) > > disk * disk > > Prints the disk-status information to stdout. > > echo * echo <text> > > Prints text to stdout. > > hexconv - ... ! hexconv > > Converts decimal numbers from stdin > to > hex-numbers (stdout). Usable as a > filter. > E.g. "ps ! hexconv" > >> A "!" separates two (or more) commands so that > the > output of the first command will be used as > input > of the second command. > > kill - kill <pid> > > Kills a process. (PID=Process IDentification). > You > can get the PIDs by using the "ps"-command. > > ldb - ldb > > LUnix debugger. Details about its usage below. > > ls * ls [-l] > > Prints the disk-directory to stdout. > > man - man > > Prints a very little manual to stdout. > > mem - mem > > Prints a little statistic about the > system-memory > usage. > > memfree - memfree & > > Shows the amount of free memory in the > right > corner of the screen. You should start it > this > way: "memfree &" > > >> The "&" at the and of a line means that > the > command will run in the background and the > shell > won't wait till the execution is > completed. > > mirror - ... ! mirror > > It will mirror lines from stdin and put > them > (mirrored) to the stdout. (should only be > used > in combination with "!"). > > more * ... ! more > > Pass stdin to stdout, asks for a key > after > printing 11 lines. > > net.drv - net.drv <NID> > > Enables access to a local C64/128 > network. > (NID=Network IDentification of the local > computer). > > netstat - netstat > > Prints statistics about the C64/128 network. > > prim - prim <a>,<n> > > Prints n prime numbers beginning with a. > > ps - ps [-la] > Prints a report about (-a -> "all") processes > in > the system. The option "-l" will make 'ps' do > this > in a more detailed way. > > reboot * reboot > > Causes a RESET of the computer. > > renice * renice [<PID>[,<pri>]] > > Prints/changes the priority of a process. > > rm * rm <file> > > Removes (deletes) a file. > > rsh - rsh <NID> > Calls for a shell on an other computer (NID) > in > the C64/128-net. > > rshserv - rshserv [-v] & > > Shellserver, serves shells to other computers > in > the C64/128-net. (Up to 4 at a time) > > tee * tee <file> > > Writes stdin to a file. > > term9600 - term9600 [-v] & > > Terminalserver, serves shells to a > terminal > connected to the RS232. (uses a special > userport- > RS232-interface 9600Baud 8N1). Never forget > to > start "a1541" before starting the > terminal- > server !!! > > top - top > > Examines the system and print a sorted list > of > processes and their use of CPU time. SPACE > will > restart the examination, any other key ends > top. > > wc - ... ! wc > > Counts chars, words and line from stdin and > prints > a report to stdout. > > write - write [-q] <PID> > > Writes a massage to an other shell (PID of > that > shell has to be specified). CTRL+D ends > write. > > Remarks > ------- > > o = file can't be used as a LUnix command. > - = commands written by the author himself. > * = commands written by Paul Gardner from australia. > > As you might have noticed, there are no (very) usefull applications. > (exept ldb) Thats because i don't have that much fun writing applications > than writing kernel-code :-) > Usefull may be writing the directory into a file "ls ! tee filename" or > calculating some primenumbers and write them into a file > "prim 100,10 ! tee primenumers". Maybe you find it usefull to > translate all decimals in a textfile into hexadecimals, this would be > no problem "cat infile ! hexconv ! tee outfile". > > I plan to write a TCP/IP-stack for the next version of LUnix, that > would be something quite usefull i think. > > 3.2 The command shell (sh0.exe) > =============================== > > <command> > will load and execute a command, wait till its done. > > <command> ! <command> { ! <command> } > load all and execute them parallel, passing stdout of the first to stdin > of the second command and so on, wait till the last command is done. > > ... & > A "&" at the end of a command line lets the shell go on without waiting > till the command line is done. > > exit or CTRL+d > Ends a shell. > ( CTRL+d is the EOF0"end of file" charakter, it also ends wc, write, > hexconv,..) > > 3.3 The LUnix-net-driver : > ========================== > > The net-driver lets you connect up to 6 C64/128 all running > LUnix. > It sends and receives datapackets. There can be several virtual > connections > between all stations of the net at the same time. > The only service that is implemented yet, is a shell-serving process, > it > allows remote shells (up to 4 per computer). > (The net-sytem supports up to 7 services). > > What do i need to run this net-driver ? > --------------------------------------- > > - You should have at least one C64/128 > (but you'll have much more fun, if there are more of them) > > - You need at least LUnix_v0.1p2 . > and the following files : "net.drv","rshserv","rsh","netstat" > you can get all of them (and even more) for free through > the Internet (a list of addresses is appended to this file) > > - And you need a suitable cable ! (if you use more than 1 C64 :) > You have to connect (at least) GND, PB0, PB1, PB2, PB3, PB6 > (all from the C64's userport) of all C64 in the net, the software > supports up to 6 C64 (or C128) in the net. > > *** if you have only one discdrive you'll need a switch to connect/ > disconnect one of the pins to ground (eg. PB0). > Use a little resistor (about 470-1000 Ohms) to connect the > certain pin to ground. > If the connection is switched 'ON' all the communication > in the net is disabled. > > How to start it : > ----------------- > > - First unplug all the computers and discdrives/monitors... > > - Then connect the userport-pins (you should try to connect each GND-pin > first) > > *** only one discdrive: connect GND to the discdrive (!),to > prevent damage when connecting/disconnecting it to one computer > after the other later. > > - Now shitch them all on. > > - Load and start LUnix, > press 'add a session' ,type "net.drv X" X is the ID of the station. > This ID ranges from 1 to 6 (don't use the same ID twice !) > Then enable logins from other computers to this computer by starting > the remote-shell-server process by typing 'rshserv -v &' > (-v is not neccessary). > <-do this with every computer you have connected . > > Thats it ! The net is now active. > > How to use the net > ------------------ > > You can use the net to execute shells on other (or the local) computer. > > Just type "rsh X" (X- is the ID of the destination computer) > and you should get a 'remote shell' from that computer to work with :) > The actual 'rshserv' process enables up to 4 remote-logins at a time > (it doesn't matter from what computer you are calling) > > Type 'exit' to logout again. > > *** only one discdrive: > You can use one of the computer to work as server (this will be > the only computer with a discdrive later) > You just have to start "rsh"s on the other computer in direction > to the server. > But how to do that, if there is only on discdrive available ? > Thats what the mentioned shitch is for ! > > Switch 'ON' (and block all net actions), then connect the > discdrive to > one of the other computers and type "rsh Y" (Y is the servers ID) > connect the drive to the next computer...and so on...then connect > the > discdrive to the 'server' and switch 'OFF' !...... > > 3.4 ldb - LUnix debugger version 1.0 > ==================================== > > Available (commandline-) commands: > > b > break > Send character (ascii code 3) to debugged process. > > c > continue > Continue process (CTRL+s stopps it) > > d [[ mid: ] address ] > disassemble > Disassemble process-code (or any other memory address). > With no argument d continues disassembling at the last position. > Default for mid is the process' mid. > Address is the relative address in the mid-memory area or, if no > mid is given the address is relative/absolute/original to the > process' startaddress (as defined by the used with the 'm'-command). > > f dev:filename > file > Load exacutable file for debugging. > > h [[ mid: ] address ] > hexdump > Print a hexdump, syntax like 'd' > > i > info > Print process information > > m[aro] > mode > ma absolute memory addresses > mr relative memory addresses > mo original memory addresses > (display mode of disassembler) > > r [ args ] > run > Run a loaded process with 'args' as commandline parameters. > > s #signum > signal > Sends signal #signum to debugged process. > > t > tick > Lets the debugged process run for exactly one time slice. > (or till there is a 'jsr$$9012' in the code, wich can be used > like breakpoints for debugging) > NOTE: ldb waits till the process is interrupted while running > (if the process is blocked ldb will wait till it is > unblocked again) > > examples: > --------- > > @> ldb > LUnix Debug Version 1.0 > by Poldi 4.3.1996 > ldb> f @:prim { load 'prim' } > ldb> r 10000,10 { prim 10000,10 } > ldb> i {info} > pc=38:0046 sr=00 a=00 x=00 y=00 > { mid:reladr ,status register,akku,x-register,y-register } > stack 17 90 > { $9018=suicide is the return-address, if there is a rts } > zp 57 8d 38 35 30 3a 8e 00 59 2f 8d > { zero page starting with address $57: ...10 bytes } > ldb> d 38:46 > { begin disassembling at pc=38:0046 taken from info } > $c846 lda#$c8 > $c848 jsr$$9051 > $c84b jmp$$c991 > $c84e rts > $c84f lda#$00 > $c851 sta$$59 > $c853 sta$$5a > $c855 sta$$5b > $c857 sta$$5c > $c859 ldii$57 > ldb> mr { switch to relative-address-mode } > ldb> h 0 { hexdump starting at relative addr. 0 } > $0000 38 f5 fa fa 00 00 00 00 8UZZ.... > $0008 00 46 00 00 00 00 00 00 .f...... > $0010 00 00 00 00 00 00 00 00 ........ > $0018 00 00 4c 1b 90 00 00 00 ..l..... > $0020 00 00 00 00 00 00 00 00 ........ > $0028 00 00 00 00 00 00 00 00 ........ > $0030 00 00 00 00 00 00 00 00 ........ > $0038 50 52 49 4d 00 00 00 00 prim.... { 'prim' CMD name in the file } > $0040 17 27 00 00 80 00 a9 c8 .'....)h > $0048 20 51 90 4c 91 39 60 a9 q.l.9@) > ldb> f @:ldb { load 'ldb' } > ldb> mo { switch to original address-mode } > ldb> d { disassemble code } > $7000 38 00 00 00 40 57 06 00 8...@w.. > $7008 1c 40 00 00 00 00 00 00 .@...... > $7010 00 00 00 00 00 00 00 00 ........ > $7018 00 00 4c 48 70 4c 52 70 ..lhPlrP > $7020 00 00 00 00 00 00 00 00 ........ > $7028 00 00 00 00 00 00 00 00 ........ > $7030 00 00 00 00 00 00 00 00 ........ > $7038 4c 44 42 00 00 00 00 00 ldb..... > $7040 lda#$70 > $7042 jsr$$9051 > ldb> d { continue disassembling } > $7045 jmp$$79aa > $7048 se i > $7049 lda#$03 > $704b ldx$$7001 > $704e jsr$$902d > $7051 rti > $7052 jmp$$901b > $7055 pjp$$70a2 > $7058 30 31 32 33 34 35 36 37 01234567 > $7060 38 39 41 42 43 44 45 46 89abcdef > ldb> d { continue disassembling } > $7068 01 04 07 0a 0d 10 13 16 ........ > $7070 00 00 00 00 00 00 00 00 ........ > $7078 00 00 00 00 00 00 00 00 ........ > $7080 00 00 00 00 00 00 00 00 ........ > $7088 00 00 00 00 00 00 00 00 ........ > $7090 00 00 00 00 00 00 00 00 ........ > $7098 00 00 00 00 00 00 00 00 ........ > $70a0 00 00 .. > $70a2 and#$3f > $70a4 = $$70d2 > ldb> d { continue disassembling } > $70a6 cmp#$20 > $70a8 bcs$$70ac > $70aa ora#$40 > $70ac jsr$$9069 > $70af bcc$$70d2 > $70b1 jsr$$70b7 > $70b4 jmp$$901b > $70b7 bit$$7071 > $70ba bpl$$70d2 > $70bc lda$$7075 > ---------------------------------------- > ldb> f @:prim { load file 'prim' } > ldb> r 10000,10 { exec 'prim 10000,10' } > ldb> i { info } > pc=2d:0046 sr=00 a=00 x=00 y=00 > stack 17 90 > zp 57 38 a9 20 20 ac 38 a6 57 e8 86 > ldb> t { let prim run for one tick } > ldb> i { print info agin } > pc=2d:0170 sr=23 a=00 x=00 y=04 > stack 3d 2f 17 90 > zp 57 0a 00 d0 01 00 00 01 01 00 00 > ldb> t > ldb> i > pc=2d:0154 sr=23 a=00 x=00 y=07 > stack 3d 2f 17 90 > zp 57 0a 00 80 03 00 00 13 04 00 00 > ldb> t > ldb> i > pc=2d:0158 sr=23 a=00 x=00 y=02 > stack 3d 2f 17 90 > zp 57 0a 00 e4 00 00 00 af 01 00 00 > ldb> t > ldb> i > pc=2d:014b sr=22 a=ff x=00 y=0e > stack 3d 2f 17 90 > zp 57 0a 00 00 40 1c 00 17 27 00 00 > ldb> t > 10007 { a prime number calculated by prim after 5 ticks } > ldb> i > pc=2d:017b sr=21 a=00 x=09 y=04 > stack 3d 2f 17 90 > zp 57 09 00 60 02 00 00 79 01 00 00 > ldb> s > s #signum (1..16) > sends signal to process > ldb> s 7 { send signal 7 'killed parent' } > process doesn't support this signal > ldb> s 6 { send signal 6 'user break' } > ldb> t { another tick.. } > Process died { process caught the signal and ended } > ldb> i > No file loaded > ldb> x { exit from ldb .. back to shell } > @> > > disassembler notes: > ------------------- > The assemblersytax may look strange to you, because it is based on > an old assembler i wrote (it was easier to use it's disass-tables as > writing some new, wich i may do somewhen in future). > > lda#$12 > --- > parameter #12 is decimal, $12 hex, "a ascii, <label a label > the parameter may be preceeded by a l (low byte) or h (high > byte) eg. lda#l$1234 is the same as lda#$34 and > lda#h$1234 like lda#$12. > --- > the first 3 chars define the command (like lda,sta,inc,and,...) > - > the fourth char defines the addess-mode > # immediate > $ adr > x adr,x > y adr,y > ii (adr),y (third and fourth char 'i') > ix (adr,x) > > some examples: > lda#$23 is lda #$23 > lda$$23 is lda $23 > lda$$1234 is lda $1234 > ldii$a2 is lda ($a2),y > ldax$c000 is lda $c000,x > adcx$c080 is adc $c080,x > + ii$bf is adc ($bf),y > = $$1234 is beq $1234 > <> $$1234 is bne $1234 > pjp$$1234 is byte $0c; word $1234 > jsr$$9012 is jsr $9012 > > 4. Where can i get the lastest version of LUnix and/or updates, patches ? > ========================================================================= > > WWW: > > LUnix-homepage > http://wwwcip.rus.uni-stuttgart.de/~etk10217/c64.html > or > http://wwwcip.rus.uni-stuttgart.de/~etk10217/lunix.html > > There also is additional information about the kernel-structure. > > FTP: > > ftp://ftp.uni-hildesheim.de/pub/... > ftp://ftp.giga.or.at/pub/c64/... > > If you need support, or have some questions/remarks/suggestions write > an email to me. > > eMail: Daniel.Dallmann(a)studbox.uni-stuttgart.de > > 5. Can i write my own applications ? > ==================================== > > Of course you can ! But you have to take care of some simple rules. > A LUnix-application must have a special header, must be relocatable by > the system and mustn't access memory/hardware that may be used by other > applications or by the system. > (Applications may access hardware-directly because the kernel doesn't > provide the neccesary routines yet) > Details on how to write applications can be found on my WWW-page. > > If you want to use an other machine (linux/UNIX/amiga) for development, > you can use some tools i've written to help writing LUnix-applications. > > there is > luna: a 6502/10 cross-assembler > lupo: a preprocessor for assembler sources > lld: a linker for objectfiles created by luna > > All you need is a C-compiler (i used the GNU-C-Compiler "gcc") to built > the executables. (Thanks to Stefan Haubenthal there is a compiled > version for AMIGA). > > Everyone, who wants to do something for LUnix is welcomned and will get > all information needed (just contact me). > > If you already played around with LUnix and wrote some little applications > *please* send them to me, i'll include them into the patchlevel 3c > release. > > In fact LUnix0.1 is quite limited, thats why i'm working on a new version. > But it won't be released before 1997 (i'm not that far). If someone > likes to have more information on the next release, or better has some > suggestions, look at my WWW-page or write an (e)Mail. > > ...and, don't forget: > HAVE FUN !! > > --- snip from README ---

28 years, 2 months

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System/34 contd.

by Philip.Belben＠powertech.co.uk

The mail software crashed while I was typing this. Oh well, try again... > I doubt I will be using the thing because it needs a 220-volt plug, > which there are at my school, but noone would let me put it in their > room. There isn't any space in my apartment either :). Could I > somehow wire to 110-volt plugs to get 220? If there is some kind of You can try it if you like, but you'd far better notter! Seriously, in most (afaik) homes/schools/offices in the US, it is possible to find 230V between the live terminals of two suitably chosen sockets. But this is not recommended. In particular, you cannot connect the output voltages of two randomly chosen sockets in series and expect the wiring to survive... I'd recommend a 110/220V transformer. They do exist and they are not very difficult to find. It may also be possible to modify the PSU. Don't give up that soon! > "getting started" thing, photocopies would be fun, just to look at... I may have spare copies of some pocket reference guides. There is one for the OS (about 1/2 inch thick) and one for the assembler at least. I shall have a look - eventually! Philip.

28 years, 2 months

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9370 is a dog! Was: Re: Re[2]: Firsts

by Philip.Belben＠powertech.co.uk

Sorry to take so long replying - I have been away for a week doing various things (Job interview, visit parents, fail to mend car, etc.). One of the advantages of being away is that a couple of dozen messages after a question I think I could answer, somebody else answers it for me! Far less typing to do! > Certainly more _fun_ than some of the films that have been released for > sure! The wife will not agree though. But if one of us had a large old > S/360 or S/370 in our basements, the power consumption would financially > kill us (because of the water chillers for cooling, current consumption > of older technology electronics, etc.) I'd love to even _see_ a large > S/360 and all its utilities. Possibly. But I'm not convinced. I seem to remember the biggest IBM 3090 system drew about 250kW (I'll have to look that up too!). I imagine a typical system might draw perhaps 50kW. The biggest problem with this is the supply to your house - few can manage more than 25kW. At 8c per kWh, 50kW is $4 per hour - cheap enough to run for an evening a month, say. > Only one 8 Meg board installed. Maximum, IIRC, was 16 Mb storage. DASD was > probably used as workstation storage. Philip, can you confirm any of this > from your sales literature? If you're interested, William, I can give you > the lineup of PC board modules in the CPU which I briefly talked about > earlier in the thread. 9373 (9370 model 20) was 4 MB expandable to 16 MB; all the others were 8MB, expandable to 16 MB. However, only the 9377 (model 90) had a 64-bit data path; all the others were 32 bit, so I suspect the 4 meg card would work in the 9375. But there's no knowing, with IBM. I see on this page there is a comparison "not fully verified by IBM" by an outside agency, comparing 370 machines with Vaxen. A 9373 is slower than a microvax II; a 9377, rather faster than a Vax 8650, reaching nearly 0.8 Mflop. The 4381 - another low(ish) end 370 - had three models listed, up to around 1.2 Mflop for the model 13. (At least IBM didn't try and claim twice this for the model 14, which is two 13s back-to-back). Philip

28 years, 2 months

2
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LCD life

by mtapley＠swri.edu

All, This discussion got me thinking (uh oh... Danger, Will Robinson!)...is there any point to having a screen saver on a machine with an LCD display? That is, is there any advantage to having the LCD pixels all black (or black with a distraction running around the screen) as opposed to steady, showing the last thing you did? - Mark

28 years, 2 months

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System/34 contd.

by maxeskin＠hotmail.com

>Date: Fri, 13 Feb 1998 14:04:14 -0800 >Reply-To: classiccmp(a)u.washington.edu >From: "Daniel A. Seagraves" <DSEAGRAV(a)toad.xkl.com> >To: "Discussion re-collecting of classic computers" <classiccmp(a)u.washington.edu> >Subject: Re: System/34 contd. > >[loss of manuals....] > >That's OK, I have most of the manuals. Anything specific? >I can't let them go, they're only copies, but I can post anything specific you may be needing... I doubt I will be using the thing because it needs a 220-volt plug, which there are at my school, but noone would let me put it in their room. There isn't any space in my apartment either :). Could I somehow wire to 110-volt plugs to get 220? If there is some kind of "getting started" thing, photocopies would be fun, just to look at... ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

28 years, 2 months

1
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Apple //gs boot problem

by rcini＠email.msn.com

On Sun, 15 Feb 1998 08:26:06 -0500, "kroma" <kroma(a)worldnet.att.net> wrote: >>Do you turn the HD on first and let it warm up for about 30 seconds, before >>you turn on the GS? Turned-on, yes. Warmed-up for 30s, no. The drive did finish it's power-on sequence and came to a rest, though, which happens in less than 30s. Does the GS/OS use a special boot block like the MS-DOS boot sector, or does it just look for the ProDOS file? Rich Cini/WUGNET <nospam_rcini(a)msn.com> (remove nospam_ to use) ClubWin! Charter Member (6) MCP Windows 95/Windows Networking ============================================

28 years, 2 months

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MORE Freebies! Come and get 'em!

by kyrrin2＠wizards.net

OK, more freebies! What can I say? I really need the space. ;-) Once again, LOCAL PICKUP ONLY, KENT, WA (Near Seattle). There's no way I have the resources to ship this stuff. 1). At least 20 RL02 disk packs, one of which is the DEC Diagnostics kit for VAX11/730 and 750. There's also an RL02-based distribution kit for the VMS 5.4 upgrade, still in sealed boxes, with the license PAK and release notes. I also saw some RT11 ver. 5.1 packs. 2). A pair of RL02 disk drives, installed in a mini-rack. I'm keeping the Micro PDP-11/73 that was in the same rack, but I'll throw in the QBus RL controller. There may be some documentation I'll pass on as well -- I'll decide that when whoever comes by to get the stuff does so. Drop me an E-mail if you're interested and we'll set up a date. Thanks in advance! -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Bruce Lane, Sysop, The Dragon's Cave BBS (Fidonet 1:343/272) (Hamateur: WD6EOS) (E-mail: kyrrin2(a)wizards.net) http://www.wizards.net/technoid "Our science can only describe an object, event, or living thing in our own human terms. It cannot, in any way, define any of them..."

28 years, 2 months

2
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Linux, Apache, Scripting books (Off-Topic)

by photze＠batelco.com.bh

Hi. I'm getting really interested in setting up a fairly good web server, and I want to learn all (most) about Linux, Apache, and CGI/Java scripting. What's needed, etc. If anyone could recommend some books, and, if they've got the ISBN's so I can find 'em.... Thanks again, Tim D. Hotze

28 years, 2 months

6
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Convex C3200 computer (Melbourne)

by adam＠merlin.net.au

Spotted this message today - I imagine that they don't appear too often. :) >We have a huge Convex C3200 computer (it would have been termed >a supercomputer when it was new). It's basically worthless to us. > >Best offer thanks, and you pay for the transport. It weighs lots. > >It has 4 IPI disk drives, a DLT tape unit (x4) a versatec VME plotter >plus, the all time favorite, one of those reel to reel tape units. >(Storage tec 90, 2920 model). What is it? Is it the sort of thing that desperatly needs saving? I probably can't pick it up myself, as it is in the wrong state and I suspect a car with a trailer may still have trouble bringing it back, but I hope there is someone here from Melbourne or Sydney who can handle it. :) Adam.

28 years, 2 months

4
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Another successful "shopping" stip to Temple Univ.

by rcini＠email.msn.com

Hello, all... I went "shopping" at the Temple University Elephant Graveyard again this Friday. Here's what I got, and here's what's left: 1. Misc. boards: LA100 and LA180 logic boards, MDB DB-11, unknown Printronix board (has IM6402 processor, PCB# 104801-002 Rev A. What's that one for?) 2. M7269, M8256, M9312 3. DEC 60833 cable (console cable??) 4. software: DEC 3000 AXP MUP CD and manual (for the Alpha??) 5. IBM monochrome monitor 6. New RK05 filters and head cleaning kit 7. DB-11 and BA-11 manuals 8. PERTEC interface cable (Unibus to ??) 9. Kinetic Systems PDP-11 Crate Controller Model 3912-Z1E (what's this for?) 10. RK05 disk packs: Blank RK05 packs RT-11 System E (??) RT-11 Diagnostics RT-11 V3 SYS RK5 DISK 11/2/77 RT-11 V02C SOURCES 2/12/76 BASIC/RT-11 V01B 12/17/75 RSTS/E V6C RSXRMS LIB RK5 1/26/78 RSTS/E V7.0 RSX RTX LIB RK5 1979 11. IBM Fortran manual {no disks :-( } A quick look reveals that they have the following left (not including two documents/small parts rooms that I *still* have not been able to get to): many 11/23s, two or three 11/34s, many RL01/02 disk packs, several 6' and 4' racks, several ASR33s, boxes and boxes of uncategorized parts, terminals, VMS manuals, TK58 tape drive parts (should have taken them this trip, but didn't), BA23 cabinets, Cipher tape drives, 3 or 4 uVax-Is, several RX01/02 drives, RK05 drives, RL01/02 drives, other crap too numerous to mention. The guy there is taking a full inventory during spring break. Will post the inventory when available. Rich Cini/WUGNET <nospam_rcini(a)msn.com> (remove nospam_ to use) ClubWin! Charter Member (6) MCP Windows 95/Windows Networking ============================================

28 years, 2 months

3
4
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CLASSICCMP digest 324

by foxnhare＠goldrush.com

From: Joe <rigdonj(a)intellistar.net> Subject: Re: first bug was a myth >At 05:01 PM 2/11/98 -0500, you wrote: >>> I seem to remember a certain species of cockroach that was quite fond of >>> wire insulation... >> >>I really doubt that, sincd cockroaches eat human food. (Termites, maybe?) > Hey, I live in Florida where the cockroach is the state insect! I can >tell you for a fact that they eat EVERYTHING! If you think they only eat >human food then it's obvious that you've never lived in an area that has >roaches! > I have seen cloth covered wires stripped bare by roaches! I remember reading a specific article on this very subject and it went as far as to identify the various insects and their favorite electronic unit's comound, I thought it was silver fish that went for insulation but I could be wrong... Anyone else ever heard of this article... (I pick up sooo much trivia I have a hard time remembering the source...) -- -+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+- Visit our web page at: http://www.goldrush.com/~foxnhare/ Call our Commodore 64 BBS (Silicon Realms 300-2400 baud) at: (209) 754-1363 -+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-

28 years, 2 months

2
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Disk problems/questions.

by allisonp＠world.std.com

<With a 386 computer configured for B: =3D 360KB, a disk formatted in B: <seems fine with no error messages. BUT: running SCANDISK on said <newly-formatted 360KB diskette results in an error message: "Media <descriptor byte incorrect", and prompts for repair. The byte, before <and after repair, is hex FD. Has anyone else experienced this problem? I suspect the following: Disk controller board. Corrupted format program. Corrupted scandisk program. One test not mentioned (or i've forgotten) is do you get the same error on a disk formatted on a DIFFERENT PC? Allison

28 years, 2 months

2
1
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LCD life

by SUPRDAVE＠aol.com

In a message dated 2/15/98 1:42:33 PM Eastern Standard Time, higginbo(a)netpath.net writes: << I thought all the pixels that would go bad do so during the assembly process. Do they go bad on their own over time? -John Higginbotham- >> yes, on lcd displays such as what IBM thinkpads use, individual pixels can go bad. usually its not noticeable unless there is a solid colour on the screen and then you can usually see it. i had a thinkpad once and had maybe one or two burn out while i had it. like anything, they can go bad, but usually not very many and almost never several at once. david

28 years, 2 months

3
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Does NetBSD use the hardware clock differently?

by allisonp＠world.std.com

<Hmm... are VS3100m30's rechargable or what? Mine always seem to forget <the time after about 20 minutes off... Its 3 AA batteries in a bundle.. It three AAA or three AA (model dependent) NICADS, a source for those are replacement battereis used for some cordless phones. Do not substitute lithium cells or alkline cells as they will fail due to the charging circuit. They are charged with the system is running (12hours minimum). If they have been discharged for sometime then they will be dead. I take them out and charge them standalone. If they don't charge well new ones are substituted. FYI: they only keep the TOY(time of year) clock powered for 2 weeks to 1 month before going flat. The reason for that is not the TOY chip but nicads have lousy long term shelf life. Allison

28 years, 2 months

1
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A Good Joe

by manney＠nwohio.com

I just concluded a swap with Joe Rigdon (rigdonj(a)intellistar.net) and wish to mention that he followed through with his end promptly and completely. It is a pleasure to trade with him, and other persons on the list may feel confident in doing so. P Manney (manney(a)nwohio.com)

28 years, 2 months

1
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Disk problems/questions.

by allisonp＠world.std.com

<> seems fine with no error messages. BUT: running SCANDISK on said <> newly-formatted 360KB diskette results in an error message: "Media <> descriptor byte incorrect", and prompts for repair. The byte, before <> and after repair, is hex FD. Has anyone else experienced this problem? < <Barry, perhaps there is a problem with ScanDisk on 360K disks? < <If there is a problem, you would probably be able to find some informatio <about it in Microsoft's knowledge base. Go to their FTP site <(ftp.microsoft.com) and navigate from there. I'm sure Kai can supply a I have scandisk on my xt with two 360k drives here and it works just fine. Allison

28 years, 2 months

1
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IBM PC type 5150

by foxvideo＠wincom.net

I just picked up two of these at a thrift shop, 2 floppies, cassette jack, no hd. On the mounting plate of the floppy card is a female 37 contact 'D' connector. Can any one tell me what this was for? Regards Charlie Fox

28 years, 2 months

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Commie/Amiga Mouse Compatibility

by foxnhare＠goldrush.com

I just hit the "quote button and had to wait several minutes for the digest to come up in the e-mail... Don't you hate when you do things like that... (:/) ----------------------------------------------------------- From: John Higginbotham <higginbo(a)netpath.net> Subject: Commie/Amiga compatibility > Just came across an Amiga/Atari switchable mouse, and was wondering if it > would also work on my C-64. Does anyone know if c-64 and amiga had the same > pinouts for the joystick port? > -John Higginbotham- > -limbo.netpath.net- Sorry but the mice are not compatible between the Amiga and the 64, the only pins that are the same are the joystick ones... You may want to check this site out: http://www.blackdown.org/~hwb/hwb.html This is the location for the Hardware Book, which lists a vast number of microcomputer pinouts as well as adapter wiring guides. ------------------------------------------------------------ -- -+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+- Visit our web page at: http://www.goldrush.com/~foxnhare/ Call our Commodore 64 BBS (Silicon Realms 300-2400 baud) at: (209) 754-1363 -+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-

28 years, 2 months

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Memotech MTX500

by adam＠merlin.net.au

Hi! Another lucky find - a Memotech MTX500 for $2. :) Beautiful computer - aluminium case, nice looking external power supply, and black. Unfortunatly it didn't come with any software or manuals. Does anyone have a spare manual, or a couple of spare cassettes for it? i would like to see what it was capable of. :) Thanks heaps, Adam.

28 years, 2 months

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Disk problems/questions.

by wts＠exo.com

If I remember correctly, The 1.2M drive uses a track 1/2 the width of the 360K drive. If you format a disk and write data with the same drive, there is no problem. The 1.2 drive can read down the middle of a 360K fat track and all is OK. The 360K drive can read the 1.2M skinny track and all is probably OK. The problem comes in when you use a 1.2M drive to write on a diskette that was previously written by a 360K drive. The skinny track is now on top of the fat track. The 360K drive will certainly have problems. It will read the new data in addition to 1/2 of the old data. Regards, Tom Sanderson wts(a)exo.com http://exo.com/~wts/wts10005.HTM Virtual Altair Museum -----Original Message----- From: Mike Allison [SMTP:mallison@konnections.com] Sent: Thursday, February 12, 1998 9:53 PM To: Discussion re-collecting of classic computers Subject: Re: Disk problems/questions. I had an IBM 360k that I was using, no compliants. I started having data problems moving stuff from a true 1.2M to the 360. Later, I put a 360 in the other computer and I still had problems. Finally, I figured it out, the IBM was either out of alignment, or shot... Could it just simply be the 360k drive? -Mike Barry Peterson wrote: > > On Wed, 11 Feb 1998 07:27:01 -0500, you said: > > >Scandisk works excellent for me here even on my Leading Edge XT. It's > >something your doing not scandisk. > > Maybe it's a difference between the XT and AT BIOS or how the format > command is executed, I wasn't "doing" anything but: > > 1) format b: > (Responding to prompts as appropriate) > 2)scandisk b: > (Error message reported by said scandisk program) > > No parameters, no modifiers, nothing more than the above two commands > _______________ > > Barry Peterson bmpete(a)swbell.net > Husband to Diane, Father to Doug, > Grandfather to Zoe and Tegan.

28 years, 2 months

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Commie/Amiga compatibility

by higginbo＠netpath.net

Just came across an Amiga/Atari switchable mouse, and was wondering if it would also work on my C-64. Does anyone know if c-64 and amiga had the same pinouts for the joystick port? -John Higginbotham- -limbo.netpath.net-

28 years, 2 months

3
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LCD life

by higginbo＠netpath.net

At 11:00 AM 2/15/98 EST, you wrote: >the only thing i know that can happen to them is burned out pixels which is to >be expected, and not really that noticeable unless there are several clumped >together. I thought all the pixels that would go bad do so during the assembly process. Do they go bad on their own over time? -John Higginbotham- -limbo.netpath.net-

28 years, 2 months

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DEC disk test sets

by jpl15＠netcom.com

With all the discussion of disk exercisers, now might be an appropriate time to post this stuff. I have found a number of DEC and DEC-associated test sets. I have three in my possesion and will wait to see if there is any response to get the rest of the units. They seem to be in good shape, w/manuals and adapter cables. I cant really *test* any of them because I don't own any of the drives they are for. O well..... I have here field test boxes for: RK07/07 TB216A (CDC) (2 available) RM03/05 (3 available) Also there are: DEC TDR Analyzer Wilson Labs SX-530 Disk Memory Exerciser Information Storage Tech. 7330 DDU Tester Memorex 800 Disc Storage System Tester (7 of these available) Memorex Mecanical Alignment Kit Magnetic Peripherals Field Test Unit TB3A2A for RM0 series (3 avail) DEC RM06/07 Carriage alignment tool DEC RM02/3/5 Head Carriage tools (2 avail) Condition of the devices I have in hand appears to be good, the others have not been inspected by me personally, but the owner says they're all about the same. Prices on these units: (US) $50? $75? More? Less? I am in Southern California. These devices are all in 'Zero'-type cases.. shipping should not be a problem. e-mail jpl15(a)netcom.com Cheers John

28 years, 2 months

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Disk Exerciser

by agammuto＠clark.net

Jim- Can you give me an update on the Sol 20? Thanks. A.P. Gammuto Maryland, USA www.konics.com

28 years, 2 months

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Disk Exerciser

by manney＠nwohio.com

I've never HEARD of a disk exerciser. What on earth is one for? Pushups? Situps? manney

28 years, 2 months

3
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LCD life

by SUPRDAVE＠aol.com

In a message dated 2/15/98 2:15:53 AM Eastern Daylight Time, william(a)ans.net writes: << I was just thinking about future collectables like laptops, and I do have a question: Does anyone know how well LCDs hold up against time (provided, of course, that they are not cracked!)? >> the only thing i know that can happen to them is burned out pixels which is to be expected, and not really that noticeable unless there are several clumped together. david

28 years, 2 months

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Commie/Amiga compatibility

by higginbo＠netpath.net

At 05:11 AM 2/12/98 +0000, you wrote: >No, it won't. One of my great disappointments. I've had it explained >to me but I can't recall why. That's an Amiga-Atari 'ST' mouse. >It wont work on an 8-bit atari neither Dang. So I'll have to buy an Amiga to use this mouse. (Yet another excuse to get another computer!) -John Higginbotham- -limbo.netpath.net-

28 years, 2 months

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GP-IB (was Re: Atari 8-bit Find)

by allisonp＠world.std.com

<Which reminds me: why didn't IEEE-488 ever become a big hit in the Otherwise known as GPIB. <computer biz? It's been around since the 60's, is standard, has good <performance, has IC support, can handle a bunch of devices, etc., but it <became relagated to a niche of scientific instrument control for some <reason. The few chips to support it were slow, it used specialized cables and connectors and it was as costly to impliment as SCSI. As a future bus it didn't offer the speed potential. Allison

28 years, 2 months

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LCD life

by allisonp＠world.std.com

<>Does anyone know how well LCDs hold up against time (provided, of course <>that they are not cracked!)? There is no finite life assuming they havent been abused. My PX-8 is from around 85ish and still works great. I have a number of other small test gear that are older. Allison

28 years, 2 months

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Apple //gs boot problem

by kroma＠worldnet.att.net

> Here's the setup. CMS SCSI card to Miniscribe 20mb hard drive (old Mac >SE drive). GS/OS 6.0.1 diskettes used to setup the hard drive. All files >copied to hard drive with no errors; files are visible and runable from >GS/OS. Turning off the machine and turning it back on produces a "Check >startup device" error. Booting with the "no harddrive" GS/OS diskette works >fine. All required files are on the hard drive. > Do you turn the HD on first and let it warm up for about 30 seconds, before you turn on the GS? -- Kirk

28 years, 2 months

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Convex C3200 computer (Melbourne)

by adam＠merlin.net.au

>> >We have a huge Convex C3200 computer (it would have been termed >> >a supercomputer when it was new). It's basically worthless to us. > >So it probably can be had for the right price! Apparantly so. They have had tow offers for it - $200 from some scrap metal dealers, and a couple of cartons of beer from me. Apparantly mine is the best offer. >Those Convex machines are very nice looking, by the way - black and >yellow. And even if it is a bit old, it could still beat the hell out of >PeeCee in the performance department. That's the bit which sold me - I have a thing for black computers. :) >In any case, someone please grab it. It looks like I might be doing so after all. Any idea about what I could do with such a beast? I know that it would be wasted on me - I would be unable to push it at all - but I will keep it until someone who can really use it shows up, and I might as well see if I can put it to some use in the meantime. I gather it runs unix, so could I use it as an internet server for some rather high-demand applications? It seems a bit sad to accept the computer when I can't really use it, but I would much rather that than to see it scrapped. Adam.

28 years, 2 months

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Freebies spoken for...

by kyrrin2＠wizards.net

Yes, that's right. Not more than four hours after I posted the availability of a slew of RL02 packs, a mini-rack, etc., in pops a message >from CLASSICCMP's own Kevin McQuiggin (Thanks, Kevin!). He'll be coming down from Vancouver to get the stuff in the next week or so. All I can say is... geez, that was fast! ;-) Caveat emptor. -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Bruce Lane, Sysop, The Dragon's Cave BBS (Fidonet 1:343/272) (Hamateur: WD6EOS) (E-mail: kyrrin2(a)wizards.net) http://www.wizards.net/technoid "Our science can only describe an object, event, or living thing in our own human terms. It cannot, in any way, define any of them..."

28 years, 2 months

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Atari 8-bit Find

by foxnhare＠goldrush.com

Yesterday after several long weeks of lackluster thrifing I came across a 'complete' Atari XE game system. (though I have been avoiding that Atari ST at the other thrift store for weeks as I just don't have the room for it and whatever else it may need.) Of course, as many thrift stores do, they broke up the system down into several 'parts' and I dutifully browsed through the store and re-collected it. (for those unfamiliar with thrift store procedure, they bag the computer as one item, the disks as another, the drive as yet another, the power supply seperate, cables separate also, etc.) Remember if you find a hint of something you are collecting at a thrift, look around for other components (i.e. if you find a Commodore IEEE-488 cable start looking for PET/B-128 drives, printers, computers, tapes, disks, manuals, etc.) Among the items I got: XE game unit (equiv to Atari 65XE) with keyboard & Power Pack SIO & TV cables 1030 Modem 1050 Drive & Power Supply Atari Light Gun Several Cartridge games (including Bug Hunt which uses the gun) 2 packages of assorted hand-labeled disks for the Atari Several packages of orignal games, (mostiy SSI combat simulations, but all with complete instructions and very good condition boxes) I passed on the Atari Sticks as I have better than the 'Atari standard joystick' to use with it. Everything seems to be working great (except for loose video and audio jacks, but that is easily fixed) Now I am finally able to really play with the Atari disk drive more as I found a wealth of disk-based software to experiment with (BASIC programs and ROM dumps). The only thing I didn't get was a power supply for the modem, if I can't find one around the house I know just where to get one for a couple bucks. Then I can start transferring some of the Atari stuff from the internet to Atari disk. People keep saying how great the Atari 8-bit was/is, but when it comes to interfacing on a base system it is pretty limited... You can't do much communication without an 850 or a modem (I know some of you are going to talk about APE or some other PC to atari converter, but I don't have a PC...) The Commodore 8-bits are WAY easier to interface/communicate to anything. Larry Anderson -- -+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+- Visit our web page at: http://www.goldrush.com/~foxnhare/ Call our Commodore 64 BBS (Silicon Realms 300-2400 baud) at: (209) 754-1363 -+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-

28 years, 2 months

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IBM PC-Junior

by jolminkh＠c2.telstra-mm.net.au

>The monitor is a standard CGA monitor with an adapter cable. I can >provide wirelists if anyone needs them. The printer port sidecar has a I thought it had a special monitor, mainly because video display modes 8, 9 and 10 were exclusive to it.

28 years, 2 months

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LCD life

by higginbo＠netpath.net

At 01:15 AM 2/15/98 -0500, you wrote: >Does anyone know how well LCDs hold up against time (provided, of course, >that they are not cracked!)? I had a Zenith Supersport XT laptop with CGA LCD in here a while back. Display looked fine to me. I've never heard of LCDs going bad like a monitor does. My LCD watch has been going strong for about the last 7 years, but I realize the design is alot simpler. -John Higginbotham- -limbo.netpath.net-

28 years, 2 months

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FS Early computer (fwd)

by william＠ans.net

Any interest? If so, deal with Rag directly... William Donzelli william(a)ans.net ---------- Forwarded message ---------- Date: Sat, 14 Feb 1998 14:18:38 +0100 From: Ragnar Otterstad <otterstad(a)inet.uni2.dk> To: William Donzelli <william(a)ans.net> Subject: Re: FS Early computer ---------- > nixi-tubes so I guess it qualifies for this reflector. > > > > > > Somebody collecting early computers ? I have a late 1970s desktop > > computer > > > made in Silicon Valley > > > with nixi display, a unique tape drive build in. > > Who made it, and what model is it? California technology International, Santa Clara, CA Model 1032A I could probably point you towards > someone that might want it (I belong to the ClassiComp list as well as > BA). > > William Donzelli > william(a)ans.net >

28 years, 2 months

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Another successful "shopping" stip to Temple Univ.

by allisonp＠world.std.com

<From: "Richard A. Cini" <rcini(a)email.msn.com> < 1. Misc. boards: LA100 and LA180 logic boards, MDB DB-11, unknown < Printronix board (has IM6402 processor, PCB# 104801-002 R Printronix, that is a UART(RCA6402). Allison

28 years, 2 months

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Disk Exerciser

by allisonp＠world.std.com

<>When I heard the description, I assumed it was a standalone box you coul <>connect a floppy to, and test every function on the floppy, maybe use it <>a burn-in test or something like that. < < It could be used for that but I have always used them for testing and <aligning drives. It only directly tests the positioning system not the <read or write systems. However you can look at the data pattern with a <scope if you use a formatted disk. In fact, that's exactly what you do <when you align the heads. You use a specially formatted disk called an <alignment disk and you position the drive heads to a location between tw <special tracks of data and you mechanically adjust the head so that both <track siganls are equal. The Shugart unit and also one I made could proveide basic write data patterns for checking the write logic and also seeing if the basic read logic works and dince the pattern is a stable one the quality of the read data. The common checks was track 00/01 repeating for track 0 detector. Also displaying the state of the write protect led, index led and allowed testing of the motor on, drive select and drive select led. The media(diskette) usually used with it allowed checking index position, read amp balance and gain, thresholds, and track alignment. Allison

28 years, 2 months

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publishing notes/hints

by mallison＠konnections.com

Just a thought To Whom It Concerns: Since I'm a publisher with a pretty good set up here for both paper and electronic publishing. I'd like to offer anyone who desires such services as creation of PDF files, typesetting, editing or organizing any documents to contact me. I can usually do most straight forward things like create PDF from ascii text in a couple of minutes. Editing, formatting, whathave you, takes more time. I'm not interested in charging for this, unless you are trying to make some money on a project and need an editor/publisher. Regardless, I don't mind helping out. If you need a hand with anything, please contact me through the list or personally at: mallison(a)konnections.com We've started a web page for documents that's still in its infancy at: http://www.konnections.com/bebooks/catalog.htm Our goal is to put every living available document there... might be ambitious. I'll be happy to post documents there as a service if you need a place. Thanks, -Mike Allison

28 years, 2 months

1
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Disk Exerciser

by higginbo＠netpath.net

At 10:09 PM 2/13/98 -0500, you wrote: >I've never HEARD of a disk exerciser. > >What on earth is one for? Pushups? Situps? When I heard the description, I assumed it was a standalone box you could connect a floppy to, and test every function on the floppy, maybe use it as a burn-in test or something like that. -John Higginbotham- -limbo.netpath.net-

28 years, 2 months

2
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IBM PC-Junior

by jolminkh＠c2.telstra-mm.net.au

> >Are modes 8,9,10 things like 320*200 in 16 colours? > >Remember the CGA monitor can display 16 colours (there are 4 TTL-level >digital input lines). The original CGA card didn't have enough memory (or >the right logic) to do anything more than 2 colours at 320*200, although >the monitor would have been capable of it. The PC-jr did have enough >memory for this. An old reference I have says: mode 8 is 160X200 16 colors mode 9 is 320X200 16 colors mode 10 is 640X200 4 colors My PC JX monitor has a 16 pin connector, same shape as a games port. Hans

28 years, 2 months

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IBM PC type 5150

by SUPRDAVE＠aol.com

In a message dated 98-02-14 21:03:44 EST, you write: << For an external drive. The one I have in the garage is IBM# 4869 (360KB). I've seen a 720KB 3.5" version but don't know its' #. >> the 4869 is the big external ps2 floppy drive, usually with a 360k drive hiding inside. am i correct any floppy controller with the external connector can run this drive? david

28 years, 2 months

1
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Memotech MTX500

by adam＠merlin.net.au

>> Another lucky find - a Memotech MTX500 for $2. :) Beautiful computer - >> aluminium case, nice looking external power supply, and black. > >Wouldn't that be MTX512? No. It seems that the 512 was the 64k version of the 500 - the 500 was 32k and thus slightly cheaper. Adam.

28 years, 2 months

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FREE Disk Drive!

by kyrrin2＠wizards.net

OK, here we go. LOCAL PICKUP ONLY in Kent, WA (near Seattle). There's no flaming way I'm shipping this thing unless someone wants to pay the freight up front. ;-) What I've got is a Century Data M315-1 SMD disk drive. 14" platters, God only knows what capacity it is. It seems to power up and spin up OK, is noisy as blazes, has a HUGE linear voice-coil head positioner, and that's about all I know (or want to know) about it. I'll happily hand this beast, along with its rack mounting rails, over to the first happy vic... uhh, 'volunteer' to speak up and say they'll come get it. Any takers? If not, and I can't get any from comp.sys.dec, I'll have no choice but to tear out the useful parts and scrap the rest. Drop me a note, please. I hate to scrap anything, but I need the room! I'd far rather give the beast to someone who can use it. -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Bruce Lane, Sysop, The Dragon's Cave BBS (Fidonet 1:343/272) (Hamateur: WD6EOS) (E-mail: kyrrin2(a)wizards.net) http://www.wizards.net/technoid "Our science can only describe an object, event, or living thing in our own human terms. It cannot, in any way, define any of them..."

28 years, 2 months

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Apple II Hardware, Printers, etc.

by photze＠batelco.com.bh

Hi. I wanted to know what printers are avaible for an Apple ][+, with 64K RAM, as well as any other disk drives other than the Disk II. Also, where can I get one of these (either of the above items)? Thanks again, Tim D. Hotze

28 years, 2 months

2
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BBC Model B - video help

by adavie＠mad.scientist.com

I have just retreived a BBC computer. Seems to work fine, and I have managed to get directories of several of the (rather warped) 5.25 disks. I'm extremely surprised any data is readable at all - nice looking tandem dual floppy. However, onscreen I see there's a problem with the machine. I see perhaps 1/5th of the screen and then it repeats. Furthermore, the width of the screen isn't correct... that is, I see 20 or so character wide lines displaying and thus staircaising. I suspect its a hardware problem (almost 100% certain here, I've tried software mode changes - same in every mode), but have nil hardware expertise. So, when (occasionally) i see a > prompt, and type, i see what I type perhaps 20 times in varying places on the screen, each line offset from the other. Can anyone suggest my first steps to playing with it - what sort of chips should I be looking for, perhaps? I know, I'm behind the 8-ball, but you're all such brilliant guys at restoration, right? Any help much appreciated. Cheers Andrew >From "cad at " at gamewood.net Fri Feb 13 23:22:44 1998 From: "cad at " at gamewood.net (Charles A. Davis) Date: Sun Feb 27 18:31:59 2005 Subject: BBC Model B - video help References: <01bd3905$ff8703a0$3ef438cb@nostromo> Message-ID: <199802140528.AAA03565(a)fox.gamewood.net> Andrew Davie wrote: > > I have just retreived a BBC computer. > Seems to work fine, and I have managed to get directories of several of the > (rather warped) 5.25 disks. I'm extremely surprised any data is readable at > all - nice looking tandem dual floppy. > However, onscreen I see there's a problem with the machine. > I see perhaps 1/5th of the screen and then it repeats. Furthermore, the > width of the screen isn't correct... that is, I see 20 or so character wide > lines displaying and thus staircaising. I suspect its a hardware problem > (almost 100% certain here, I've tried software mode changes - same in every > mode), but have nil hardware expertise. > So, when (occasionally) i see a > prompt, and type, i see what I type > perhaps 20 times in varying places on the screen, each line offset from the > other. > Can anyone suggest my first steps to playing with it - what sort of chips > should I be looking for, perhaps? > I know, I'm behind the 8-ball, but you're all such brilliant guys at > restoration, right? > Any help much appreciated. > Cheers > Andrew Hi Andrew: Here is what I would look for and try to adjust --- Horizontal frequency. This sounds like it is some multiple of the desired (for the monitor) rate. That's what's getting the multiple images across the width of the screen. Also (maybe first, but definitely in conjunction with the above) look for 'Vertical' frequency/lock. This one is what is getting you multiple images in the vertical direction. Memory says that the adjustment is "roll down (image) and just return the adjustment the other direction till it locks in place." The 'horizontal lock' is a much courser adjustment. (This is all standard TV/Monitor adjustment stuff. If anyone has any specific advice different from this, by all means, give it a try.) Chuck -- ----------------------------------------------------------- He, who will not reason, is a bigot; William Drumond, he, who cannot, is a fool; Scottish writer and he, who dares not, is a slave. (1585-1649) While he that does, is a free man! Joseph P. 1955- ----------------------------------------------------------- (be sure to correct the return address when using 'reply') Chuck Davis / Sutherlin Industries FAX # (804) 799-0940 1973 Reeves Mill Road E-Mail -- cad(a)gamewood.net Sutherlin, Virginia 24594 Voice # (804) 799-5803

28 years, 2 months

2
1
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PDP-11/44 Boards

by healyzh＠ix.netcom.com

Something tells me this machine isn't going to be running anytime soon. Here is what I found when I got into the CPU. M7090 KD11-Z 11/44 console interface module M7093 FP11-F 11/44 floating point module M7094 KD11-Z 11/44 data path module M7095 KD11-Z 11/44 control module M7096 KD11-Z 11/44 multifunction module M7097 KK11-B 11/44 4-Kword cache module M7098 KD11-Z 11/44 UNIBUS interface M7762 RL11 RL01/02 disk drive controller M9902 M7762 RL11 RL01/02 disk drive controller M8256 RX211 RX02 floppy disk drive control module M7819 DZ11-A 8-line double-buffered async EIA with modem control (50 to 96-Kbaud, 64-byte silo) M7819 DZ11-A 8-line double-buffered async EIA with modem control (50 to 96-Kbaud, 64-byte silo) M7800 DL11 Async transmitter & receiver, 110-2400 baud Based on the info on the cover, the system is missing the following. M7091 KE44-A 11/44 CIS control store module M7092 KE44-A 11/44 CIS data path/logic module M8743 MS11-PB 1-Mbyte ECC RAM M7521 DELUA-AA UNIBUS to ethernet adaptor SPC BC11-25 TO TM11 I've no idea what the last three are, I suspect the 'TO TM11' is actually the huge ribbon cable that is plugged into the backplane. I'm assuming that without the M7091 and M7092 that there is no use in coming up with a RAM board. Zane | Zane H. Healy | UNIX Systems Adminstrator | | healyzh(a)ix.netcom.com (primary) | Linux Enthusiast | | healyzh(a)holonet.net (alternate) | Classic Computer Collector | +----------------------------------+----------------------------+ | For Empire of the Petal Throne and Traveller Role Playing, | | see http://www.dragonfire.net/~healyzh/ | | For the collecting of Classic Computers with info on them. | | see http://www.dragonfire.net/~healyzh/museum.html |

28 years, 2 months

4
5
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Vacuum cleaners

by maxeskin＠hotmail.com

Today I found in a magazine called T3 (essentially a high-tech catalog) a robotic vacuum cleaner just as we discussed recently. It uses radar, and works kind of like that robotic lawnmower released several year ago. ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

28 years, 2 months

1
0
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Apple //gs boot problem

by rcini＠email.msn.com

I finally got a working SCSI card for my Apple //gs, but I now have a problem booting off of the hard drive. Here's the setup. CMS SCSI card to Miniscribe 20mb hard drive (old Mac SE drive). GS/OS 6.0.1 diskettes used to setup the hard drive. All files copied to hard drive with no errors; files are visible and runable from GS/OS. Turning off the machine and turning it back on produces a "Check startup device" error. Booting with the "no harddrive" GS/OS diskette works fine. All required files are on the hard drive. It's almost like a boot block is not written to the drive. For installation instructions, I culled info from Nathan Mate's Apple // web site. Any clues?? I installed GS/OS multiple times with the same results. Thanks! Rich Cini/WUGNET <nospam_rcini(a)msn.com> (remove nospam_ to use) ClubWin! Charter Member (6) MCP Windows 95/Windows Networking ============================================

28 years, 2 months

1
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Apple II Hardware, Printers, etc.

by photze＠batelco.com.bh

OK... what's a cheap (small) compatible dot matrix? Thanks again, Tim d. Hotze -----Original Message----- From: Bill Girnius <thedm(a)sunflower.com> To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> Date: Saturday, February 14, 1998 7:20 PM Subject: Re: Apple II Hardware, Printers, etc. You can use just about any dot matrix printer made as long as you have a parallel port interface, which are very common second hand. Grappler is the best IMHO. -----Original Message----- From: Hotze <photze(a)batelco.com.bh> To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> Date: Saturday, February 14, 1998 10:07 AM Subject: Apple II Hardware, Printers, etc. Hi. I wanted to know what printers are avaible for an Apple ][+, with 64K RAM, as well as any other disk drives other than the Disk II. Also, where can I get one of these (either of the above items)? Thanks again, Tim D. Hotze

28 years, 2 months

1
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Apple II Hardware, Printers, etc.

by SUPRDAVE＠aol.com

In a message dated 98-02-14 11:06:33 EST, you write: << Hi. I wanted to know what printers are avaible for an Apple ][+, with 64K RAM, as well as any other disk drives other than the Disk II. Also, where can I get one of these (either of the above items)? Thanks again, >> the best printer for apples would have been something like an epson fx80 or similar. most programs back then pretty much expected that model. i remember using print shop with an epson and it taking up to 30 minutes to print something and the teacher getting mad because it was so bad on the ribbon printing all that black! david

28 years, 2 months

1
0
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Apple II Hardware, Printers, etc.

by thedm＠sunflower.com

You can use just about any dot matrix printer made as long as you have a parallel port interface, which are very common second hand. Grappler is the best IMHO. -----Original Message----- From: Hotze <photze(a)batelco.com.bh> To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> Date: Saturday, February 14, 1998 10:07 AM Subject: Apple II Hardware, Printers, etc. Hi. I wanted to know what printers are avaible for an Apple ][+, with 64K RAM, as well as any other disk drives other than the Disk II. Also, where can I get one of these (either of the above items)? Thanks again, Tim D. Hotze

28 years, 2 months

1
0
0 0

Diablo 1340 terminal?

by rws＠ais.net

Hi all- Tonight I got a Diablo 1340 hardcopy terminal. It looks like a table with a Diablo 1550 typewriter on top of it, but the typewriter is part of the table. Inside the large black box under the table are power supplies, cardcages, fans, etc. It works, except for one thing: whether in local or remote, whenever the 1550 gets a carriage return, it rams the home hard stop and the ALARM and PRINTER CHECK lights go on. I press ALARM to reset it and it works fine until the next carriage return. I tried adjusting the home stop in and out (it's actually a stiff spring-loaded stop) with no luck. When the terminal is first powered on and it seeks home (slowly) it does fine, without hitting the stop. Any ideas? (BTW this thing is just jam-packed with 7400 series logic and a couple of chips I can't identify. It was built in 1974 and installed in May 1975- I even got the maintenance record with this thing. It's serial no. 769.) Richard Schauer rws(a)ais.net

28 years, 2 months

1
0
0 0

Scanlon Assembly Book

by mallison＠konnections.com

I'm trying to find a copy of Leo Scanlon's original IBM PC assembly language book. Seems like it had a lion on the cover. I gave mine away in 1988 to help someone out (hope it helped) and I need a new copy. I've made do with others, but I really liked that one. Any takers??? Thanks alot.. Mike Allison

28 years, 2 months

1
1
0 0

Disk Exerciser

by rigdonj＠intellistar.net

Hi, went to a hamfest and picked up a Wango Disc Exerciser. Can anyone tell me what drives it works works on? It's a blue box about 5 x 8" inches in size and 3/4" think and has a ribbon cable connector at one end. It has the following switches: Start, auto-man, seq-alt, inc-fix-dec, 200 -100 TPI, Top-Bot Head, Rem-Fix Disc, Restore. I have used disk exercisers before so I know what all the switches are for, I just need to know what drive(s) it' for. Joe

28 years, 2 months

1
0
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disk equals license

by sinasohn＠ricochet.net

At 10:22 PM 2/12/98, you wrote: > He is. Having the original version was a condition to him being allowed >to buy the upgrade. I suspect that that varies from vendor to vendor. Furthermore, unless it is specifically stated on the info about getting the upgrade, I don't think it would hold true, legally. > That says it all. You must have the old version as a condition to have >the upgrade. Unless the license for the new version eliminates the license (or inherits, if you prefer) for the old version. Which would make the old system disks as invalid (unlicensed, whatever) as a backup of the old version. --------------------------------------------------------------------- O- Uncle Roger "There is pleasure pure in being mad roger(a)sinasohn.com that none but madmen know." Roger Louis Sinasohn & Associates San Francisco, California http://www.sinasohn.com/

28 years, 2 months

1
0
0 0

Opening PDP-11/44 CPU

by healyzh＠ix.netcom.com

Well, I've got a long weekend, so I've decided to start in on my restoration project by determining exactly what I've got. I few minutes ago I figured out how to get into the RL02 drives, only to discover they are empty. Now I'm trying to figure out how on earth to open up the CPU to find out what cards are in it. Both James Willing and myself spent a little time trying to figure this out the day I bought it with no luck. Finally gave up and moved it with the CPU still in the rack. The CPU in question is sitting in the top of a DEC rack that I believe is about 4' high. There appear to be some sort of hydralic things on either side of the box. Anybody have any questions, ideas, or suggestions? Zane | Zane H. Healy | UNIX Systems Adminstrator | | healyzh(a)ix.netcom.com (primary) | Linux Enthusiast | | healyzh(a)holonet.net (alternate) | Classic Computer Collector | +----------------------------------+----------------------------+ | For Empire of the Petal Throne and Traveller Role Playing, | | see http://www.dragonfire.net/~healyzh/ | | For the collecting of Classic Computers with info on them. | | see http://www.dragonfire.net/~healyzh/museum.html |

28 years, 2 months

3
2
0 0

IBM PC-Junior

by jolminkh＠c2.telstra-mm.net.au

If you found this in Australia with a 240v power supply, this is a unique computer. I don't think the "PC Junior" was ever sold outside the US. Most of the design was however later used by IBM Japan, and sold in Australia as the PC JX. It is probably very similar but had a different monitor and a different looking case. PC JX's are fairly common here as they were used in schools etc, but on the other hand they may be disappearing. I think they are classic computers and collectible. -----Original Message----- From: Andrew Davie <adavie(a)mad.scientist.com> To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> Date: Friday, 13 February 1998 14:47 Subject: IBM PC-Junior >"some IBM PC Junior pieces (a monitor, printer, cpu, keyboard). last time i >plugged it in, it worked" > >I would appreciate some info; I don't knnow anything about this one. >Should I grab it, and if so, what is a fair price? Ie: is it scarce, do i >want it. > >Andrew >

28 years, 2 months

2
1
0 0

Apple II info ?

by kroma＠worldnet.att.net

I also have an Apple II Duodisk, which unlike the II fdd s has a DB25 pin female connector. Were these for the GS or did Apple simply upgrade the disk connections with the + or A-3. would it work on a II with an adapter ? ----------- Actually the Duodisk never worked properly on the GS. They were designed for latter model //e's. Apple redesigned the Disk 2 controller card to use the new connector. -- Kirk

28 years, 2 months

1
0
0 0

System/34 contd.

by maxeskin＠hotmail.com

Needless to say, I was extremely disappointed when I was told that the manuals and software for the System/34 were thrown away, along with 5 5250 video terminals. There are three left, and I picked up one of the two remaining manuals. If was somewhat amused by some parts of the manuals. for example, after instructions on mailing comments, "Comments become the property of IBM". A full page on safety, including CPR instructions. On line reads,"Wer safety glasses when performing any work that may be hazardous to your eyes. REMEMBER-THEY ARE YOUR EYES" another,"Knowing safety rules is not enough. An unsafe act will inevitbly lead to an accident. Use good judgement - eliminate unsafe acts." A warning"The display station has a weight of ~ 34kg (75lb). NEVER LIFT BY YOURSELF" With all this, I'm surprised they ever got sued... PS Does anyone have the jumper setting for a Tiara Lancard /E*AT? PPS I am reading "The Soul of a New Machine". Great book! ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

28 years, 2 months

3
2
0 0

Real hackers

by sinasohn＠ricochet.net

At 08:17 PM 2/11/98 -0500, you wrote: ><People try, but the age of hacking is gone. Right now, there is just ><nothing exciting in the computing industry. Wait till holographic > >You got to be kidding. Just look around the edges at things like >autonomus robots and navagation to suggest a few. Theres plenty to be And there is plenty of opportunity in terms of software -- new uses for the internet connectivity is a big one. CUSeeMe, for example and the internet phone stuff... These are things that make me envision some guy, surrounded by empty coke bottles, about 3 in the morning thinking, "Hey, if I can send data over voice lines, why can't I send voice over data lines?" and such. Also, how about purpose-built devices? Wanna buy a dedicated alphapaging station so you're grandmother (who keeps pointing her calculator at the Microwave and trying to change the channel) can just turn it on, type a message (See, grandma, it's just like a typewriter!) and hit a send button to send you an alphapage? Probably can't do it affordably. But take a Basic Stamp, add a keyboard and a little LCD screen, some code, and voila... Speaking whihc, has anyone else ever read Heinlein's book (whose name I've forgotten) about the inventor whose partners steal everything and freeze him for 20 years etc? One of the things he invents is an automated vacuum cleaner. When Heinlein wrote the book, I'm sure that would have been very expensive and very difficult to do. Now, however, it would seem like an acheivable goal, especially since Heinlein does a lot of the specs for you... So how come you can't buy one at Target? Anyone want to make millions? (That book, btw, is what made me want to be an EE (along with Steve Ciarcia calling it "programming in solder"). Perhaps someday I'll finally get to become one...) --------------------------------------------------------------------- O- Uncle Roger "There is pleasure pure in being mad roger(a)sinasohn.com that none but madmen know." Roger Louis Sinasohn & Associates San Francisco, California http://www.sinasohn.com/

28 years, 2 months

4
3
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disk equals license

by thedm＠sunflower.com

Whoops, I didn't read it all. Only the person that posseses the license is the person who owns it. It dosn't matter who original purchased it, if the license was purchased it is then transferred. But if you give the disks back, and keep the software, your the bad guy. [sorry, just woke up] -----Original Message----- From: Mike Allison <mallison(a)konnections.com> To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> Date: Friday, February 13, 1998 12:24 AM Subject: Re: disk equals license >Uncle Roger wrote: >> Here's a question... Let's say my friend, who has a legal copy of xyz >> software, buys the upgrade version of xyz 2.0. He installs it, it checks >> for the previous version, and all is right with the world. He then gives >> me his old xyz 1.0 disks. I install it, purchase the upgrade, etc. >> >> Who (if anyone) is wrong? >> >> Now, let's say, we've both upgraded, and I give him back his original >> disks. Am I now a pirate? Was I a pirate before? Or was he the pirate >> before? > >You're wrong (in this case) You stole the upgrade from the company >because you didn't have the right to the upgrade. Then you stole the >upgrade. You now have a free copy running on your machine. > >You didn't pay for the original disks (not a crime) but the SINGLE >entitlement to the upgrade was already used. You have no further right >to upgrade.... > >-Mike >

28 years, 2 months

1
0
0 0

disk equals license

by thedm＠sunflower.com

I Must dissagree. The person who willfully sell's the product and surrenders the original's to you has transferred the license. It is the original purchaser who is wrong. He has obligated himself at that point to remove the software from his machine, or he shouldn't have sold the license in the firstplace. -----Original Message----- From: Mike Allison <mallison(a)konnections.com> To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> Date: Friday, February 13, 1998 12:24 AM Subject: Re: disk equals license >Uncle Roger wrote: >> Here's a question... Let's say my friend, who has a legal copy of xyz >> software, buys the upgrade version of xyz 2.0. He installs it, it checks >> for the previous version, and all is right with the world. He then gives >> me his old xyz 1.0 disks. I install it, purchase the upgrade, etc. >> >> Who (if anyone) is wrong? >> >> Now, let's say, we've both upgraded, and I give him back his original >> disks. Am I now a pirate? Was I a pirate before? Or was he the pirate >> before? > >You're wrong (in this case) You stole the upgrade from the company >because you didn't have the right to the upgrade. Then you stole the >upgrade. You now have a free copy running on your machine. > >You didn't pay for the original disks (not a crime) but the SINGLE >entitlement to the upgrade was already used. You have no further right >to upgrade.... > >-Mike >

28 years, 2 months

1
0
0 0

Disk problems/questions.

by allisonp＠world.std.com

<The reason for the quotes around "no problem" is that some people have <wrongly assumed you can format 360K disks in a 1.2 MB drive and just use <them in a 360K drive. This is only true if the disk being formated has n That is a big no-no. The 1.2m drives have a write head that is have the width and if not properly configured the wrong write current for 360k media(1.2m media is different magnetically). Also that narrower head produces a much lower read signal on a 360k drive with more errors. Scandisk works excellent for me here even on my Leading Edge XT. It's something your doing not scandisk. Allison

28 years, 2 months

5
6
0 0

Real hackers

by sinasohn＠ricochet.net

At 09:06 PM 2/12/98 -0600, you wrote: >Speaking whihc, has anyone else ever read Heinlein's book (whose name I've >forgotten) about the inventor whose partners steal everything and freeze Okay, a little webbery (www.amazon.com) and the title is, <tada> _The Door Into Summer_. (So named, because the protagonist's cat was always looking for a door that opened into summer during the winter, but of course, so are we all...) --------------------------------------------------------------------- O- Uncle Roger "There is pleasure pure in being mad roger(a)sinasohn.com that none but madmen know." Roger Louis Sinasohn & Associates San Francisco, California http://www.sinasohn.com/

28 years, 2 months

1
0
0 0

Apricot F1 - help, please!

by jolminkh＠c2.telstra-mm.net.au

This web site is probably only relevant to the PC Apricots. There is info on older stuff like the F10 at: http://www.geocities.com/SiliconValley/4462/apricot.html -----Original Message----- From: Andrew Davie <adavie(a)mad.scientist.com> To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> Date: Friday, 13 February 1998 17:42 Subject: Re: Apricot F1 - help, please! >A lot of scouting around (www.apricot.com.uk is no longer active) dug up the >following, which is particularly useful - in particular, anydisk.zip looks >teriffic!! > >http://www.apricot.co.uk/ftp/bbs/atsbbs/allfiles.htm > >Cheers >Andrew > >-----Original Message----- >>From: Tony Duell <ard(a)p850ug1.demon.co.uk> >To: Discussion re-collecting of classic computers ><classiccmp(a)u.washington.edu> >Date: Friday, February 13, 1998 1:50 PM >Subject: Re: Apricot F1 - help, please! > > >>> >>> Amazingly enough, there is a ton (relatively) of F1 stuff on Apricot's UK >>> web site file library... >> >>Do you happen to have the URL for that ? >> >>ADVthanksANCE >> >>> >>> Kai >> >>-tony >> >> >

28 years, 2 months

1
0
0 0

Apricot F1 - help, please!

by adavie＠mad.scientist.com

A lot of scouting around (www.apricot.com.uk is no longer active) dug up the following, which is particularly useful - in particular, anydisk.zip looks teriffic!! http://www.apricot.co.uk/ftp/bbs/atsbbs/allfiles.htm Cheers Andrew -----Original Message----- From: Tony Duell <ard(a)p850ug1.demon.co.uk> To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> Date: Friday, February 13, 1998 1:50 PM Subject: Re: Apricot F1 - help, please! >> >> Amazingly enough, there is a ton (relatively) of F1 stuff on Apricot's UK >> web site file library... > >Do you happen to have the URL for that ? > >ADVthanksANCE > >> >> Kai > >-tony > >

28 years, 2 months

1
0
0 0

disk equals license

by sinasohn＠ricochet.net

>I'd say you have the right to purchase a "previous version 1st disk >required" upgrade of the product. You have the disks and the manuals, and >the imaginary license laying right next to it, that the previous owner of >the software threw away along with his right to upgrade. Here's a question... Let's say my friend, who has a legal copy of xyz software, buys the upgrade version of xyz 2.0. He installs it, it checks for the previous version, and all is right with the world. He then gives me his old xyz 1.0 disks. I install it, purchase the upgrade, etc. Who (if anyone) is wrong? Now, let's say, we've both upgraded, and I give him back his original disks. Am I now a pirate? Was I a pirate before? Or was he the pirate before? --------------------------------------------------------------------- O- Uncle Roger "There is pleasure pure in being mad roger(a)sinasohn.com that none but madmen know." Roger Louis Sinasohn & Associates San Francisco, California http://www.sinasohn.com/

28 years, 2 months

3
2
0 0

Apple IIe Case

by francois.auradon＠worldnet.att.net

Hi, I got an apple IIe today and it came in a big padded case with a handle. It looks like an oversize suitcase and wheighs a ton. It has reinforced corners and edges. Inside are three compartments: the center one holds the Apple IIe and the sides hld the disk drive, floppies, docs and hard drive. Has anyone heard of the case or is it a custom one of a kind part? Any information would be appreciated. Fran?ois

28 years, 2 months

3
2
0 0

digital group computers

by mtapley＠swri.edu

All, Figures I'd be out of town when this topic came up; I'd been waiting for a quiet moment to ask about them as well. I remember *lusting* for a digital group system just before dad bought a TRS-80 Model 1. (He was right, Tandy made systems for a lot longer than digital group did. :-() digital group chassis had a backplane bus which could accomodate processor cards carrying any of the 4 processor architectures mentioned by Sam (6502, 6800, 8080, and the super-powerful chip of the future Z-80). They offered a storage system using cassette tapes but recording to them digitally, not tone-encoded, which they called the phi-deck (I think). They sold a separate cabinet which would hold up to 4 of those, for a pretty large (for those days) total storage - over a megabyte, if I recall correctly. They sold a fair selection of software. I recall OASIS (sic?) as the name of one of the operating systems, and OPUS-1 and OPUS-2 as the names of two levels of a programming language (I think). I trashed my promotional literature describing all of this years and years ago, once we decided to go the TRS-80 route. Sigh. If anyone can amplify or correct any of this, or better yet has a working system, I'd love to hear more about it. Oh yes, there was a picture of one of the cabinets on the cover of Byte magazine just before they went out of business. Along with many other systems, suspended in space around a shattering crystal goblet with the Title "Breaking the Sound Barrier". The cover story was about computers with sound-generation capability. This would be maybe 1-2 years after the introduction of the Z-80, I'd guess, but don't remember better than that. More and better information, anyone? - Mark

28 years, 2 months

3
2
0 0

disk equals license

by higginbo＠netpath.net

Technically, everyone is wrong. Now, if he gave you the disks/manuals/etc. and did the upgrade, he'd be wrong. If you didn't upgrade, you'd be in the clear. You were a pirate before, a pirate now, and will always be a pirate if you keep the upgrade installed and use it. I guess that leaves only one thing to say: Arrgh! Join the crew, matey! :P But if you got the disks from an entirely anonymous source, you wouldn't know the history behind the software, and you could use the software with a slightly less guilty conscience if you were so inclined. Everything is relative, no two cases are the same, and some leeway needs to be taken into consideration where software "piracy" is concerned. I think there's a pretty big grey area there, IMHO. At 09:06 PM 2/12/98 -0600, you wrote: >Here's a question... Let's say my friend, who has a legal copy of xyz >software, buys the upgrade version of xyz 2.0. He installs it, it checks >for the previous version, and all is right with the world. He then gives >me his old xyz 1.0 disks. I install it, purchase the upgrade, etc. > >Who (if anyone) is wrong? > >Now, let's say, we've both upgraded, and I give him back his original >disks. Am I now a pirate? Was I a pirate before? Or was he the pirate >before? -John Higginbotham- -limbo.netpath.net-

28 years, 2 months

1
0
0 0

TK50 TAPES up for grabs in Portland, OR

by kyrrin2＠wizards.net

Please contact Mr. Grier directly if you're interested. Thanks! -=-=- <snip> -=-=- >Date: Thu, 12 Feb 1998 18:34:42 -0800 (PST) >From: "Aaron J. Grier" <agrier(a)poofy.goof.com> >To: port-vax(a)NetBSD.ORG, port-pmax(a)NetBSD.ORG >Subject: tk50s up for grabs in Portland, OR >Sender: port-vax-owner(a)NetBSD.ORG >Delivered-To: port-vax(a)NetBSD.ORG > > >in the basement of the Reed College library, there's a wall of tk50s which >are being tossed. (All have been run through a bulk-eraser...) > >If you can get 'um before the custodians come and trash them, they're >yours. (I've already got my fill.) Drop me an email, and I can meet you >to help carry them to your vehicle. > ><sigh> at least they'll be giving away the hardware to students... > >---- > Aaron J. Grier | "Not your ordinary poofy goof." | agrier(a)poofy.goof.com > agrier(a)reed.edu | agrier(a)metro.grumblesmurf.net | ...!reed!vla!agrier > DECBEE65 0DEE3A0C 1ED7F54D 9E023CC4 and 0x0663D1A9 at a server near you. > > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Bruce Lane, Sysop, The Dragon's Cave BBS (Fidonet 1:343/272) (Hamateur: WD6EOS) (E-mail: kyrrin2(a)wizards.net) http://www.wizards.net/technoid "Our science can only describe an object, event, or living thing in our own human terms. It cannot, in any way, define any of them..."

28 years, 2 months

1
0
0 0

IBM PC-Junior

by adavie＠mad.scientist.com

"some IBM PC Junior pieces (a monitor, printer, cpu, keyboard). last time i plugged it in, it worked" I would appreciate some info; I don't knnow anything about this one. Should I grab it, and if so, what is a fair price? Ie: is it scarce, do i want it. Andrew

28 years, 2 months

1
0
0 0

Antique Computers

by tpvesele＠qualitycomp.com

Hello, My company currently has several examples of antique computers, software, and various hardware pieces from the early eighties on. We tend to hold onto things in our warehouse and have accumulated boxes of stuff. Some items include: Apple Lisa (one 3.5 drive) unknown model Apple III (one of my personal favorites) Tons of Apple Hardware including II+, IIe, and GS carcases AE Hardware (remember the Ram Charger and Vulcan Hardrives?) Different Upright Macs including 128's, 512's, and the Plus We used to sell a bunch of this stuff in the late eighties, and most of these items were returned without packaging and such, so we could never get refunds for them. I would be interested in receiving an e-mail from someone to discuss the values of some of these items. Thanks -- Sincerely, Thomas Veselenak Product Development Manager Scantron Quality Computers Brighter Paths 20200 9 Mile Rd. St. Clair Shores MI, 48080 Phone: 800-777-3642 Ext. 712 Fax: 810-774-2698

28 years, 2 months

2
1
0 0

Apple IIe Case

by francois.auradon＠worldnet.att.net

>These were commonly advertised in the back of _BYTE_ and other computer >magazines in the late 70's and early 80's. Is there any indication of >a manufacturer or brand name for the case? > >Tim. Not that I can see. The panneling is made of wood (I got i off my trunk and can take a closer look), it looks like a home job (a well done one). Fran?ois.

28 years, 2 months

1
0
0 0

Apricot F1 - help, please!

by kaikal＠MICROSOFT.com

Amazingly enough, there is a ton (relatively) of F1 stuff on Apricot's UK web site file library... Kai > -----Original Message----- > From: Tony Duell [SMTP:ard@p850ug1.demon.co.uk] > Sent: Thursday, February 12, 1998 10:27 AM > To: Discussion re-collecting of classic computers > Subject: Re: Apricot F1 - help, please! > > > > > Having just obtained a 1984 Apricot F1 computer (and a lovely looking > > machine they are!) I find I can only get to the ROM boot stage. > Onscreen, I > > have Aprictot F1, a floppy icon, a chip icon, a hand pointing down, an > arrow > > I have an Apricot F1 Technical Manual here, mainly because it's the only > thing that I've found that's at all relevant to the Apricot PC which I > have. > > > pointing up, and thats about it. The arrow and hand are flashing. > > When I place disks in the drive, it spins for a bit and places an X and > a > > number on the screen. Numbers I've seen are 4, 8 and 99. So... any > proud > > OK, here's the error table from Appendix A of the manual : > > Boot ROM Error codes : > 20 ROM checksum test > 22 SIO register test > 25 RAM test > 28 Floppy Controller test > 29 CTC clock chip test > 33 Clock interrupt test > 35 Drive 0 test (can it step correctly?) > > Disk Error codes : > 2 Drive not ready, or disk removed during boot > 4 CRC error, corrupt sector > 6 Seek Error, unformatted or corrupt disk > 7 Bad media, corrupt media block > 8 Sector not found, unformatted or corrupt disk, bad load address in label > 11 bad read, corrupt data field on disk > 12 disk failure, disk hardware or media fault > 99 Non-system disk. Not a valid boot disk > > I assume you are using an Apricot boot disk. This machine, while based on > the 8086 and running MS-DOS, is certainly not a PC-clone. According to > the manual, this machine uses double-sided 80 track 720K disks (my, > older, machine uses single-sided disks). > > I don't know if boot disks for other Apricot machines will work. The > hardware is somewhat different (the F1 doesn't have the 8089 'I/O > coprocessor' (a fancy DMA chip) that's fitted on the PC). > > If you are using an Apricot boot disk, I'd firstly try a different one, > and then suspect disk drive or disk controller problems. The Apricot uses > a Western Digital 2797 disk controller. There's a few tweakers associated > with this chip as well. > > > Any help appreciated. > > Cheers > > Andrew > > > > > > -tony

28 years, 2 months

2
1
0 0

Altair 8800b + drive alignment

by wts＠exo.com

I also need alignment for a drive on my 8800b. I have the documentation and procedures plus the MITS program to step to a specific track. In addition to an oscilloscope, one tool needed for alignment is a hammer! The biggest problem will be finding an alignment diskette. The Pertec drives are 32-hard-sectored eight-inch. Most eight-inch drives are soft-sectored. Assuming your drives are one drive per case, they are probably a FD410 with a DC motor. If your drives are two drives per case, they are probably FD511s with a AC motor. Both drives can read the same diskettes. I also have a supply of blank diskettes. I would appreciate any suggestions on locating an alignment diskette. I would also like to hear from anyone with working drives. I would like backup and add to my MITS software collection. Tom Sanderson wts(a)exo.com http://exo.com/~wts/wts10005.HTM Virtual Altair Museum To: "Discussion re-collecting of classic computers" <classiccmp(a)u.washington.edu Subject: Altair 8800b + drive alignment From: "Andrew Davie" <adavie(a)mad.scientist.com Date: Thu, 5 Feb 1998 00:13:10 +1100 Reply-To: classiccmp(a)u.washington.edu Sender: CLASSICCMP-owner(a)u.washington.edu I recently purchased an Altair 8800b from the original owner. He told me that last he used it (1984?), he was having trouble reading from the disk drive, and he was sure that it needed alignment. Apparently an alignment disk is required. I suspect an oscilloscope as well. I have two questions; 1) Can someone explain the process of aligning a disk drive, what is out of whack, and how tricky it is for a rank electronics amateur like myself 2) Where can I obtain an alignment disk, if required. Oh, I forgot to mention, the drive is an 8", the Altair model that has the same basic case and look of the Altair itself. This repair is one of the (I suspect) many that will be required to bring the Altair back to life. I've managed to get it (almost) firing up during the self-test stage, but one of the address lines doesn't behave (the light doesn't come on on A2 when I flick the switch that should light all of them, yet the light is operational at other stages). I'll get to that one later. Looks like a long, slow process. But worth it, no? Cheers Andrew

28 years, 2 months

2
1
0 0

disk equals license

by manney＠nwohio.com

> AutoDesk requires you to trade the original disks from the previous > version at the dealer to order the upgrade. Not any more . I have a customer who has her old disks. >

28 years, 2 months

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Possible source for parts

by kyrrin2＠wizards.net

I used to feel very antagonistic towards recyclers, since I saw them as greedy sharks that would cheerfully smash any type of electronic equipment or component, no matter how potentially useful, just for a few cents worth of gold. While I don't doubt that there are some who are like that, it strikes me that they're likely only out there to make a living like the rest of us. With that in mind, I think establishing positive relationships are much more constructive. I've attached a post from a recycler. He may or may not be willing to sell useful and undamaged parts as well. Those who are interested, please contact him directly. -=-=- <snip> -=-=- On Tue, 10 Feb 1998 21:53:48 -0500, in misc.industry.electronics.marketplace you wrote: >>Path: Supernews70!Supernews73!supernews.com!howland.erols.net!news-feed1.tiac.net!posterchild2!news(a)tiac.net >>From: "Jim Sciuto" <goldtek(a)juno.com> >>Newsgroups: alt.electronics,alt.electronics.manufacture.circuitboard,aus.electronics,comp.sci.electronics,comp.sys.ibm.pc.hardware.chips,japan.handmade.electronics,misc.industry.electronics.marketplace >>Subject: Millions in Gold From Old Computer Equipment >>Date: Tue, 10 Feb 1998 21:53:48 -0500 >>Organization: Goldtek >>Lines: 57 >>Message-ID: <6bt5cb$3ht(a)news-central.tiac.net> >>NNTP-Posting-Host: p16.ts3.danve.ma.tiac.com >>Mime-Version: 1.0 >>Content-Type: multipart/alternative; >> boundary="----=_NextPart_000_0007_01BD366E.5E1CF360" >>X-Newsreader: Microsoft Outlook Express 4.71.1712.3 >>X-MimeOLE: Produced By Microsoft MimeOLE V4.71.1712.3 >>Xref: Supernews70 alt.electronics.manufacture.circuitboard:2371 aus.electronics:9618 comp.sys.ibm.pc.hardware.chips:202541 japan.handmade.electronics:133 misc.industry.electronics.marketplace:11083 >> >>This is a multi-part message in MIME format. >> >>------=_NextPart_000_0007_01BD366E.5E1CF360 >>Content-Type: text/plain; >> charset="iso-8859-1" >>Content-Transfer-Encoding: quoted-printable >> >> >> >>Learn to recycle gold. Old circuit boards, IC Chips, jewelry, etc.. can = >>be recycled and sold again. I will buy them. If you would like more = >>information visit my web site.=20 >> >>http://www.tiac.net/users/quiksand/goldtek.htm >> >>Thanks, >> >>Jim=20 -=-=-=-=-=-=-=-=- Bruce Lane, SysOp, The Dragon's Cave BBS (Fido 1:343/272) kyrrin2 {at} wiz<ards> d[o]t n=e=t "...No matter how hard we may wish otherwise, our science can only describe an object, event, or living creature, in our own human terms. It cannot possibly define any of them!..."

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