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101090 discussions

by densnet＠earthlink.net

Chuck I know it has been quite a while, Do you still have this puppy? or a book for it? Den www.densnet.com den(a)densnet.com Sorry but it has no probes, these will have to be scavenged for. Its in pretty good shape and easily meets the 10 year rule. Probes aren't too hard to find if you look carefully. Anyway, its free for the cost of shipping it somewhere, or if you are near Sunnyvale California (94087) then you can just pick it up. --Chuck

23 years, 8 months

Todays Find

by mythtech＠mac.com

>> Yeah Yeah Yeah thats nice... now tell me about the Mac! > Is that all you can think about Chris? No, I think about sex too... but since I got married, I think I get more Mac. :-) -chris <http://www.mythtech.net>

23 years, 8 months

Todays Find

by mythtech＠mac.com

>At a auction today I purchased a lot to get a Mac Performa that was in one >of the 3 boxes that made up the lot. Later I was loading stuff on dolly >to haul out to the van and found a HP 97 calculator in a leather carrying >case. In the case was the calculator and two little notebooks marked >HP-67/HP-97 Games Pac 1 (with 23 games) and the other was HP-67/HP-97 >Standard Pac (with 14 ). It's missing the charger (the batteries are dead) >and there are no manuals. There was 6 19" Sun monitors left by another >bidder and I picked up one of them, it's a model GDM-1962B. Yeah Yeah Yeah thats nice... now tell me about the Mac! :-) -chris <http://www.mythtech.net>

23 years, 8 months

HP-HIL to ps/2 convertor possibility

by roosmcd＠dds.nl

> > There's a guy in the UK that is selling an adaptor for PS/2 KB's/mice to > > HP-HIL that is supposedly just wired through... is this > > possible?!?!?! does anyone have the pinouts for the HP-HIL port? > > Totally impossible [1]. The signals are not even close between the 2 > interfaces. > > [1] OK, somebody could make a keyboard that could work with either PS/2 > or HP-HIL interfacee sgnals with just a plug change, but AFAIK HP never > did. I've heard this before, the item is listed here: http://www.unixnerd.demon.co.uk/parts_unix.html with a picture of it here: http://www.unixnerd.demon.co.uk/ps2_cable.jpg So what about it? It looks suspiciously like it's just a few wires. My guess is that since he mentions it's for certain machines, that those machines have ps/2 signals on the hp-hil connector. Any other ideas? greetings, Michiel

23 years, 8 months

Need November December 1985 Byte article -- SB-180 parts 3 & 4.

by rigdonj＠cfl.rr.com

Does anyone have parts 3 & 4 of Steve Ciarcia's SB-180 article? I think they were in the November and December 1985 issues of Byte. Can you send me a copy? (fax, photo-copy, scan or ?? Joe

23 years, 8 months

Mitsubishi floppy drive question

by rigdonj＠cfl.rr.com

I have a floppy drive that has the front panel light that's coming on anytime any of the drives on the system are accessed. Does anyone have the manual and can tell me what jumpers control the front panel light? The drive is a Mitsubishi 4853 Rev U 80 track 5 1/4" floppy drive. Joe

23 years, 8 months

Old Macs - ROM p/n's, etc...

by kd7bcy＠teleport.com

It's been a long time since I've done anything with my really old Macs(128k, 512k, SE), so my memory is really straining here. Can anyone point me towards some web sites or maybe post info on which ROMs are which, various P/N's, and other useful info. I'm trying to build a system for a friend that wants to play with an old Mac. I have an old Mac case with an unknown system board or ROMs, but it doesn't have a floppy drive in it right now. I have a nice little pile of 800k drives, so I need to know which chips to look for when I go searching for my Mac Plus ROMs(I think I still have at least two lose sets around). Links to places with software would also be useful. Hmm. I'll probably have to setup my LC to make the disks for the system. Used to be that I could identify almost any Mac part from 50 feet... OK, maybe closer for the IC's ;-) I haven't touched them in so long I can't remember anything. I guess I can blame it on my iMac(I named it Thumper because it has an iSub behind it - the whole thing would bounce around the table back when I was using MacOS 9 with the iSub controls. Still nice sound with X, but not quite as much. Gotta love that green jellyfish look at night...). -- /------------------------------------\ | http://jrollins.tripod.com/ | | KD7BCY kd7bcy(a)teleport.com | \------------------------------------/

23 years, 8 months

New (but selling used) computer shop, and hauls

by Mzthompson＠aol.com

There seems to be a number of shops springing up around here selling used Wintel. I try to visit each new one just to see what is what. Most times, one visit is enough. The latest one was an experience. The owner knows absolutely nothing beyond Intel. On the first visit, he took me to one back room. It is full of of Apple stuff and more. He mentioned some keyboards in another back room and said they use a modular phone plug. We went for a look and he held one up with the keys facing me. I told him to look at the tag, it should say LK401. His mouth dropped open. Also had a couple IBM model M keyboards. I was then out of time and had to leave. On my next visit I made a couple of offers and picked up some stuff. The first was the box full of LK201/401/402 keyboards. Just over a dozen for $5 for the box. Also got three Apple IIc's with power supplies, but no monitors nor mice. I suspect they are there if I were to dig deep enough. A friend wanted these and was content to get just the machines for $5 each. A rough list of known Apple stuff remaining is 6 SE's, 6 ImageWriters, 5 or 6 external drives, 3 GS's, and a scanner. There was three LaserWriter II's the first time and he seemed willing to sell them for around $10 each. However, I goofed by not taking them then and there. Someone offered him $50 each before I got back. My friend and I are trying to decide what to offer for the remaining Apple pile. After having sold some stuff (i.e. cash in his pocket), he was eager to show me some more old stuff in the basement. He mentioned having a lot of terminals down there and I assumed might be DEC to go with the keyboards. Nope, most it was absolutely total junk. He is quite proud of his store and proud of the fact that he is doing a booming business selling internet ready 486 machines for $50. A lot of those sales are made because he is willing to extend financing to his customers. Yep, that's right, customers financing a $50 computer. He wasn't too happy when I told him I give them away because I got more of than I know what to do with from people bringing them by all the time and other sources. I have since been told by a more 'upscale' store that he is bugging them all the time, wanting technical advice and the like. Oh well, each to his own. Mike

23 years, 8 months

Bootstrapping a CP/M system to usability

by jhking＠airmail.net

This one is simple. 1) Get a 5.25" drive for your pc. 2) Download a copy of 22 disk. 3) Download any cp/m stuff you want 4) Use 22 disk to format a floppy as Osborne DD or Kaypro DD 5) Copy the files to the floppy 6) Stick the floppy in your 1571 Keep the 22-disk handy as you can transfer the other way as well. This is how I moved boat-load of cp/m stuff to my pc about 15 years ago when I converted to the dark side.

23 years, 8 months

SGI IRIS 1400 (longish)

by aek＠spies.com

Does anyone have any info on these systems? There doesn't seem to be much information left, and very little can be found on the web. -- There is a VERY detailed FAQ that I helped write about 10 years ago that gives all the service passwords, switch settings, board types, et. http://www.futuretech.vuurwerk.nl/iris-faq.html is one place to find it. You might also try emailing the guy that just sold the 3130 and all those 24xx series boards on eBay and try to get copies of what he has before he ships it, or email the guys that bought the stuff.

23 years, 8 months

CRT problem

by pete＠dunnington.u-net.com

On Jul 16, 23:41, Dave Brown wrote: > I don't have too much concern using the CRT without the protective screen > bonded back on if I have to- something totally separate can be arranged > fairly easily due to the shape of the CRT bezel. But if I can get it off, > then rebonding it with something similar (but not hygroscopic) should not be > too difficult. I remember when I was a teenager and started fixing old tellys, that many of them had a flat laminated glass sheet, about 1/4" thick, in front of a plain CRT. The laminated glass was mounted in the cabnet, not bonded to, or even touching, the CRT. So that might be a reasonable thing to do in this case. Polycarbonate might be even better (and easier to handle). -- Pete Peter Turnbull Network Manager University of York

23 years, 8 months

Latest Haul^H^H^H^H Delivery

by Mzthompson＠aol.com

It's nice once you finally get 'em trained. My daughter's friend knows I am a computer packrat. She had a couple things left behind by an old boyfriend. She took them over to my daughter who in turn gave them to my wife who brought them home and delivered them right to me. I now have two Cisco Catalyst 2900 series XL switches. One is a 2912 (12 holer) and the other is a 2924 (24 holer). Mike

23 years, 8 months

Indianapolis Hamfest Haul

by Mzthompson＠aol.com

Many did not think it was a great hamfest this year, but if a whole carload of stuff hauled home is any indication then I say it wasn't bad. One good item was a Compaq Portable III, good clean condition, fully working, and had the internal modem installed. $5 This year I stuck around a little longer which means good deals on stuff they don't want to pack back up. One dealer had two eight foot tables full of customer returns and other 'as is'. I saw one item in particular and made an offer. He counter offered with a price for the entire contents of both tables for less than $10. I said what the heck. So far everything I have tested seems to work fine. I suspect a lot of customers try to install it themselves and just don't get it right and return it. Then there is the stuff that is pitched as it all winds down. A friend and I were standing next to a trash barrel when someone brought over some stuff. We grabbed some items. Among that was two full tower PC cases, and a old 486DX2/66 desktop. Turns out the 486 is a good machine for testing various components, so it has found a home on my test bench. Also a couple ATI video cards that are the same card as in the machine I am writing this on, the same right down to the firmware numbers on the EPROMS. It's nice to have some spares. Mike

23 years, 8 months

HP IPC for sale on E-bay

by rigdonj＠cfl.rr.com

<http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=2039170091>

23 years, 8 months

Todays Find

by jrkeys＠concentric.net

At a auction today I purchased a lot to get a Mac Performa that was in one of the 3 boxes that made up the lot. Later I was loading stuff on dolly to haul out to the van and found a HP 97 calculator in a leather carrying case. In the case was the calculator and two little notebooks marked HP-67/HP-97 Games Pac 1 (with 23 games) and the other was HP-67/HP-97 Standard Pac (with 14 ). It's missing the charger (the batteries are dead) and there are no manuals. There was 6 19" Sun monitors left by another bidder and I picked up one of them, it's a model GDM-1962B.

23 years, 8 months

Motherlode or scrap ?

by Mzthompson＠aol.com

Zane wrote: > You'd better duck and run! After all we all know that the real reason HP > bought Compaq was so that they'd finally have some real computers to sell! > :^) But I thought Compaq already got rid of all the DEC 'puters. :^)) Mike

23 years, 8 months

[possibly OT]: Tektronix 466 - spares needed

by philpem＠dsl.pipex.com

Hi, A few days ago I picked up a very nice Tektronix 466 storage oscilloscope, complete with service manual. Catch is, I don't have the operator's manual. The service manual is thick with schematics and parts manifests, a fair bit of technical info ("this part does x function", etc). No real information on how to actually *use* this thing. I've worked out what 90% of the controls do by trial and error (that, plus the fact I used another scope before this one), but the storage section and some of the trigger section still eludes me... Scanned images or photocopy prefered, original manual would be even better. Also, it seems to be missing the blue cover that goes over the front panel and a set of Tek 1x/10x probes that were supposed to come with it. Anyone got a 466 as a junker they wouldn't mind parting out? I've been told Tek abandoned this scope a long time ago... Thanks. -- Phil. philpem(a)dsl.pipex.com http://www.philpem.dsl.pipex.com/

23 years, 8 months

Bootstrapping a CP/M system to usability :)

by archer＠topnow.com

I'm suffering from what one might call the "first program" problem. That is, I want to download CP/M programs (editor, assembler, and BASICK for starters) from the 'net and transfer them from my PC to my "CP/M" machine (A Commie 128 running CP/M+) to save on floppy for later use. I can boot CP/M+ on Commie, but the distribution is very minimal. It doesn't even include ED. It does have PIP, if this is useful, but no MAC, BASIC, or any other goodies that might be used to pull in xmodem or some other file transfer program into the machine and thus create a mechanism for transferring binary files into the machine from the PC. This must be a common problem, but surprisingly a web search yielded little insight on how to get the "first file" in. My extreme ignorance of CP/M at this point in time is not helpful either. With Apples, I know there was a trick to basically feed a BASIC program in from the serial port as if it were entered by the keyboard. With Commie-doors, there's the XE1541 cable and software to do the trick (but I don't think it can write MFM as needed by C128 CP/M mode.) Is there any similar "tricks" for CP/M? Without an assembler I would need to get a binary file into the CP/M floppy somehow. I don't have a 5 1/4" floppy drive in any PC but would consider scouring the Junque places for one if that could write files on my PC readable on CP/M. Or maybe I'm missing something and it's all so simple that nobody bothers to document it? Thanks for any clues. I want to be conversant with CP/M. Something to put on my resume. ;) -- Ross which is surely very common but oddly websearches have yielded no real insight as to how to fix it.

23 years, 8 months

FS: Old monitors for PCs and DEC Pro/Rainbow

by msspcva＠yahoo.com

Hi all: I have the following which I'd like to sell: 1> VR201-C PRO or Rainbow monitor - no burn visible but I can't test it without a Pro or Rainbow. 2> Amdek Color II Plus compatible CGA/EGA monitor - working no burn - built April 1984. 3> IBM 5154, M/N 5154001 PC EGA monitor - works but has a failing transformer - no burn - built 07 1987 I'd like to get $10 OBO for each, plus shipping. -- Frank ===== = M O N T V A L E S O F T W A R E S E R V I C E S P. C.= Clayton Frank Helvey, President Montvale Software Services, P. C. P.O. Box 840 Blue Ridge, VA 24064-0840 Phone: 540.947.5364 Email: msspcva(a)yahoo.com ============================================================ __________________________________________________ Do You Yahoo!? Sign up for SBC Yahoo! Dial - First Month Free http://sbc.yahoo.com

23 years, 8 months

Op-Amp? Analog computer? trainer? or ?

by rigdonj＠cfl.rr.com

Does anyone know what this is? <http://home.cfl.rr.com/rigdon14/adapter/norpak-1.jpg> Another picture at <http://home.cfl.rr.com/rigdon14/adapter/norpaks.jpg> Joe

23 years, 8 months

update: Commodore stuff for goodbye... (and one OT item...)

by zmerch＠30below.com

=-=-= Most of the commodore stuff has been claimed, but the claimant wasn't "as interested" in the following items; so they're still available (for a short time, this stuff's gotta go...) : =-=-= Shipping from 49783; have a "Pack -n- ship" place next door, so there is usually a surcharge to normal UPS/Fedex prices (being next door, we usually get a bit of a break, however). All of these items are "condition unknown" - they were given to me, and I've never had 'em hooked up. No warranties, and all that jazz. (1) MPS802 printer - in original box with original styrofoam; ready to ship (just needs to be taped up) - looks to be in really good shape, but that's just looks... (1) MPS802 printer - no box, no top cover. The stuff's gotta go ASAP, so unforch, it's first come, first served... =-=-=-=-=-=-=-=-=-=-=-=-=-= OT blurb: I have a PlayStation 1 available with some interesting goodies; $100 shipped; contact me off-list if interested. -- Roger "Merch" Merchberger --- sysadmin, Iceberg Computers Recycling is good, right??? Ok, so I'll recycle an old .sig. If at first you don't succeed, nuclear warhead disarmament should *not* be your first career choice.

23 years, 8 months

vintage stuff on E-bay

by rigdonj＠cfl.rr.com

I've just finished putting a bunch of stuff on E-bay that may interest this group. (I know, I know, but I have to try and keep this hobby self-supporting). Items include a Sharp PC-7000 Portable computer, some DRI C language manuals, a couple of HP 9815 interfaces, a RAID controller for IDE drives, a SUN type 5 mechanical mouse, a National Instruments VME GP-IB interface and lots of other odds and ends. If you're interested see <http://cgi6.ebay.com/aw-cgi/eBayISAPI.dll?ViewSellersOtherItems&userid=rigd…> Joe

23 years, 8 months

Bootstrapping a CP/M system to usability :)

by dwightk.elvey＠amd.com

>From: "Jim Battle" <frustum(a)pacbell.net> > >At 06:20 PM 7/17/02 -0700, Ross Archer wrote: > >>I'm suffering from what one might call the >>"first program" problem. That is, I want to >>download CP/M programs (editor, assembler, >>and BASICK for starters) from the 'net and >>transfer them from my PC to my "CP/M" >>machine (A Commie 128 running CP/M+) to save >>on floppy for later use. >> >>I can boot CP/M+ on Commie, but the distribution >>is very minimal. It doesn't even include ED. >>It does have PIP, if this is useful, but no >>MAC, BASIC, or any other goodies that might be > > >This is what tried doing for my Sol. > >Yes, PIP is essential. > >Hook up a serial cable from your PC to your CP/M machine. Of course, there >are all the problems of figuring out baud rate, parity, stop bits, and >whether you need a null modem or not. I can't help you there. > > From the CP/M side, type (this is from memory, so you should consult any >online CP/M command reference to get it right, such as: > >http://www.iso.port.ac.uk/~mike/interests/chistory/documents/cpm-22-manual/…. html > >) > > >a>PIP FOO.HEX=RDR: > >RDR: is logical device which might be a paper tape reader in the old days, >but is perhaps mapped to your serial port. You need to figure out which >device is connected to the serial port. (PUN: perhaps?) > ---snip--- Hi I find it easier to white a simple serial to memory routine and then use SAVE to create the image files. One doesn't have to worry about handshake since the program can run at full speed. Since this is a true image, one can transfer .HEX or .COM files without dealing with LOAD that is not built into the command processor. Dwight

23 years, 8 months

Sharp PC-7000 with accessories for sale on E-bay

by rigdonj＠cfl.rr.com

A nice clean Sharp PC-7000 portable computer complete with disks, manuals, cover, etc. <http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=2039650488>

23 years, 8 months

VAX 4000 200 console bulkhead wanted

by rschaefe＠gcfn.org

I just moved my '200 boardset into what used to be a BA440 expansion chassis, and now I need to replace the MVII-style console bulkhead. If anyone has one they'd be willing to get rid of/trade for, let me know. Thanks! Bob

23 years, 8 months

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