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

by jmmolloy＠juno.com

My company had a cash flow problem and had to close the office. We thought we might come out of it and saved our system in my garage. We did not turn around and so I have a VAX with DecServers and a printer to divest. I also included the VMS documents. Primarily I would be happy to work with someone to relieve me of the hardware. Jim Molloy 221 Howe Ave. Passaic NJ 07055 973 778 1286 ____________________________________________________________ Live the good life! Click now for great retirement planning assistance! http://thirdpartyoffers.juno.com/TGL2141/fc/Ioyw6i3mK7B4GB411CfVV5RqiVzgQCe…

18 years, 1 month

2
1
0 0

know where I can get a 800k drive for a mac SE?

by trag＠io.com

> Date: Thu, 17 Jul 2008 01:25:51 -0500 > From: "joe lobocki" <jlobocki at gmail.com> > On Wed, Jul 16, 2008 at 12:19 PM, Jeff Walther <trag at io.com> wrote: >> <http://www.shrevesystems.com/drives.html> >> > well, i just looked, and they have 1.44m drives only, so that wont work. > but, I have bought from shreve before in the past (although, over ebay) > and > found them to be reliable, but that was a while ago. thanks for the help > though > My bad. I was thinking of "autoinject" and not 800K vs. 1.44MB. However, unless you're a purist for collector's reasons, I think the 1.44 MB drive will work fine in the SE. It will read and write 800K and 400K disks just as well as an 800K disk drive. The only issue I can remember is that you might need a different floppy drive cable (red stripe vs. yellow stripe) or was that an auto-inject vs manual-inject cable issue? It's been so long since I've dealt with floppy replacement that that old knowledge isn't terribly accessible any more. But I do know that the 1.44 MB auto-inject drive is a good functional replacement for the 800KB auto-inject drive and the only reason not to do it is if you're trying to keep the machine pristinely original. Jeff Walther

18 years, 1 month

2
1
0 0

Apple I BASIC dump

by oldcpu2＠rogerwilco.org

>> Actually, I wrote some 6502 asm to bit bang out the game port >> data, ttl rs232 ;-) . It isn't that hard. > Did that to move Infocom game sectors from an Apple II to a C-64. > It was a bit rough, but with both CPUs bit-banging away at 1200 > baud, it took a while. In the end, though, the operation was a success. Likewise, once did a similar thing to transfer a particularly interesting textual adventure game from an Apple II to an Atari 800. Cobbled together a three-wire cable between game ports on each machine and used a very simplistic transfer method: Used one conductor as a single-bit DATA line, another for RCVR-READY, the last for signal ground. We sent just one bit at a time, with the RCVR-READY basically ACKing each bit. Certainly wasn't an efficient way to send data, but there was no reason to finesse it any more, since it was a one-time setup. If I remember right, we figured that our 42KB transfer would take about 75 minutes. After a slightly extended lunch, the transfer was complete. I guess that works out to about 10 bytes per second! With a few more minutes to patch the 'TTY-IN' and 'TTY-OUT' entry points, we had a fully working app. If I remember correctly, we even figured out how to modify the game save functionality for the Atari, too. - Jared

18 years, 1 month

1
0
0 0

Bushy Tree Wikia (fwd)

by sellam＠vintagetech.com

See below. -- Sellam Ismail Vintage Computer Festival ------------------------------------------------------------------------------ International Man of Intrigue and Danger http://www.vintage.org [ Old computing resources for business || Buy/Sell/Trade Vintage Computers ] [ and academia at www.VintageTech.com || at http://marketplace.vintage.org ] ---------- Forwarded message ---------- From: John Redant [mailto:john.redant(over at)gmail(do da dot)com] Sent: Wednesday, July 16, 2008 6:37 PM Subject: Bushy Tree Wikia Hello! I am the author of a 1999 term paper for the University of Regina in Canada called the "Downfall and Contributions of the Xerox Star" which featured a now oft referenced and updated bushy tree diagram. I recently started a Wikia about the HCI using the said diagram as a reference. My mission for the Wikia is to create a collaborative online encyclopeadia about the evolution of the human computer interface, the people and developers involved, and the terms that are used. It's about two weeks old and a lot of what's on there is mostly stubs. Naturally, it's a lot for one person to tackle alone. I'm looking for collaborators, authors and editors to help hammer it into shape. I'm wondering if you yourself would be willing to have a peek, or if you can help point me in the right direction. If you are interested or if you are willing to pass the word along, the address is: http://bushytree.wikia.com <http://bushytree.wikia.com/> . Thank you in advance! J Redant

18 years, 1 month

1
0
0 0

TRS-Xenix 1.0 Development System disks?

by derschjo＠msu.edu

Anyone have the development system disks for TRS-Xenix 1.0? I just recently got my Model 16 running Xenix 1.03 and having a compiler (or any other software, for that matter) would be nice. I've found images for Xenix 3.0's development system, but my M16 lacks the proper modifications to run 3.0. Thanks, Josh

18 years, 1 month

2
1
0 0

Apple 1 BASIC dump

by vbriel＠yahoo.com

Well, this is nice work but it was done 5 years ago, has been disassembled and currently is in the replica 1 kits EPROM. Achim Breidenbach wrote a program on his Amiga to read a .wav file of an original copy of BASIC and disassemble it. I would say, Achim deserves credit for being the first to read the tape and make a listing available. By the way, replica 1 users found an error in this "confirmed" version of BASIC. Using my Apple IIplus I was able to read Star Trek and Lunar Lander from .wav files of original tapes. Vince Briel Computers home of the replica 1 and Micro-KIM http://www.brielcomputers.com

18 years, 1 month

1
0
0 0

know where I can get a 800k drive for a mac SE?

by trag＠io.com

> Date: Tue, 15 Jul 2008 21:07:09 -0500 > From: "joe lobocki" <jlobocki at gmail.com> > > hello, > anybody know where I can get an 800k drive for my mac SE? mine seems to > have > quit working. thanks > -Joe Let's see.... <http://www.shrevesystems.com/drives.html> Listed at $3 but they charge $7 shipping (last time I checked before fuel prices increased so) per drive so the real price is $10 per drive shipped, assuming the shipping hasn't changed. If your order is trouble free, then Shreve is reliable. If there are problems with your order (e.g. defective/missing items), they have a reputation for not being particularly helpful. Jeff Walther

18 years, 1 month

2
1
0 0

Osborne Computer 4 (Vixen) prototype?

by bob＠jfcl.com

I've found machine that I think is a prototype for the Osborne Vixen. >From the outside the case looks exactly like a Vixen case except that mine is a ugly brown color rather than the grey/white color scheme you usually see and when you open it up it's slightly different from a "production" Vixen - the floppy drives in mine are horizontal rather than vertical and the back panel is re-arranged a little. There are no labels of any kind on the machine except for the giant "OSBORNE" that's molded into the plastic, and the PCB inside says "Osborne Computer Corp, Rev 2". When you turn it on, though, it identifies itself as an "OCC 4" and asks for a boot diskette, so I'm thinking that must be what it is. Has anybody seen a Vixen in this style? None of the photos I've found on the web look like this configuration. And does anybody have software for the OCC4? Will the boot diskettes for an OCC1 or Executive work on it? Thanks, Bob Armstrong

18 years, 1 month

9
9
0 0

Osborne Computer 4 (Vixen) prototype?

by sellam＠vintagetech.com

Doug Salot (used to be a regular here a long while back) was the first person that I know to find one out in the wild. Judging by the number of people who claim to have one (3-4 it would seem as of now) there are probably a handful that were made for prototypes, and then they decided to rotate the drives for the production models (perhaps to accomodate the larger display?) I have a "normal" Vixen, which are difficult to find themselves. -- Sellam Ismail Vintage Computer Festival ------------------------------------------------------------------------------ International Man of Intrigue and Danger http://www.vintage.org [ Old computing resources for business || Buy/Sell/Trade Vintage Computers ] [ and academia at www.VintageTech.com || at http://marketplace.vintage.org ]

18 years, 1 month

1
0
0 0

Osborne Computer 4 (Vixen) prototype?

by bob＠jfcl.com

>Mike Lowen wrote: >Mine powers up with "OCC4 1.04" Mine says "1.01" - I wonder if an EPROM update is called for too? >Chuck Guzis wrote: >Is that "ugly brown" the color of the foam on a root-beer float? No, it's a very dark chocolate (I guess most people would just say "black"). Judging from the photos I've seen, I'd guess that my whole case is about the color of the end panels on a "production" Vixen. And it's not structural foam or acrylic or painted as far as I can tell. I took a few photos - http://www.sparetimegizmos.com/Downloads/Vixen1.jpg http://www.sparetimegizmos.com/Downloads/Vixen2.jpg http://www.sparetimegizmos.com/Downloads/Vixen3.jpg http://www.sparetimegizmos.com/Downloads/Vixen4.jpg Notice the horizontal floppy drives... To Dave Dunfield, et al - thanks for the pointers to the diskette images. Bob

18 years, 1 month

2
1
0 0

VAX Cobol

by iamvirtual＠gmail.com

I am trying to locate a copy of Cobol suitable for OpenVMS 7.3 for my hobbyist VAX 4100 machine. Does anyone know where I could stumble upon a copy? I have also searched for the VAX OpenVMS Software Layered Products Library (AKA the 'motherload'), but have not located a source. I am really interested in a copy of this CD. Thanks! --barrym

18 years, 1 month

1
0
0 0

Osborne Computer 4 (Vixen) prototype?

by bob＠jfcl.com

> Mike Loewen wrote: > http://sturgeon.css.psu.edu/~mloewen/Oldtech/Osborne/Vixen.html P.S. I found your site earlier today with Google. Thanks for all the good photos - it's one of the things that convinced me that I really did have an OCC4. Bob

18 years, 1 month

1
0
0 0

IBM 360 Mod 70 picture desired.

by caveguy＠sbcglobal.net

Hi all, I am looking for information and most importantly a picture of the IBM 360 mod 70. What I know about it is : It was introduced in 1964 along with the "30, 40, 50, and 60's. There were mockups and photos of the 360 family made, 8x10's were sent out to key sales people and press as part of a product launch kit of some sort, most with an assortment of disclaimers on the back. As I understand it, the 360 Mod 70 was never shipped. But what happened to it? It has been said that it evolved into the Mod 75 before it hit the streets. Was it shipped to an undisclosed location, under a new GSA number? Or was it scrapped early in life, and gave up its core to something else? if so what? My first question is what did it, or was it suspose to look like. What I am real interested in is any picture showing the console. Bob Bradlee

18 years, 1 month

4
4
0 0

VAXstation 4000/60: from dumpster to desktop

by starbase89＠gmail.com

Hello all. I picked up this morning a VAXstation 4000/60 from the local recycling center's computer dumpster. I could not find the monitor or keyboard. Is there any way to make a VGA monitor, and PS/2 Keyboard/mouse work on this machine? Thanks Joe Giliberti

18 years, 1 month

5
5
0 0

Free: Apple odds and Ends

by hugh＠blemings.org

Hiya, Folk are welcome to the following for the cost of postage (from Canberra, Australia or Austin, TX if you don't mind waiting an extra couple of weeks) Two new 3Com EtherLink SE 3C563 cards - 10Base-T and AUI port 10Mbit for Mac SE Dozen or so original AppleTalk interfaces - DB9 male at one end, 3 pin Appletalk connector at the other. Have a bunch of 3pin-3pin Appletalk cables too - 6ft long. Please contact me off list if of interest, goes into recycling in a weeks time otherwise :) Cheers, Hugh

18 years, 1 month

2
2
0 0

WANTED: Macintosh IIx

by sellam＠vintagetech.com

I require a Macintosh IIx. Not a II, not a IIfx, nor a IIcx nor IIci, but a IIx. If you have one and wish to sell it, please contact me ASAP. Any physical/cosmetic condition (within reason, i.e. nothing that's been through a crusher) is acceptable. It need not be functional. Thanks! -- Sellam Ismail Vintage Computer Festival ------------------------------------------------------------------------------ International Man of Intrigue and Danger http://www.vintage.org [ Old computing resources for business || Buy/Sell/Trade Vintage Computers ] [ and academia at www.VintageTech.com || at http://marketplace.vintage.org ]

18 years, 1 month

2
2
0 0

Apple I BASIC dump

by sellam＠vintagetech.com

P.S. The folly of storing cassette data in MP3 format has been discussed here in detail before. DON'T DO IT. Use WAV only. -- Sellam Ismail Vintage Computer Festival ------------------------------------------------------------------------------ International Man of Intrigue and Danger http://www.vintage.org [ Old computing resources for business || Buy/Sell/Trade Vintage Computers ] [ and academia at www.VintageTech.com || at http://marketplace.vintage.org ]

18 years, 1 month

5
4
0 0

WTB TU-58 drives and tapes

by jhfinedp3k＠compsys.to

I have been asked to find some TU-58 drives and tapes. The drive would need to be the external dual TU-58 with an RS-232 header interface (of 10 pins). Does anyone have any to spare? Does anyone have any price estimates as to how much they cost these days? Please contact me off list if you have any that are actually available. Sincerely yours, Jerome Fine

18 years, 1 month

1
0
0 0

I finally finished my Obtronix Apple 1 reproduction!

by us21090＠yahoo.com

All, I finally finished my Obtronix Apple 1 reproduction! Actually, building the Apple 1 didn't take much time at all! It was the custom work on the mounting board, the curved and angled plastic leg brackets, and, and ... I uploaded photos of it to http://www.vintage-computer.com/vcforum/album.php?u=6611 I also have a request: My Obtronix Apple 1 reproduction had a bad Signetics 2504v. I don't think it was DOA (I believe it just "developed" the problem recently). The Signetics 2504v is a 1024-bit dynamic shift register, 8-pin dip. It's used here to as part of the display control. The problem I saw was odd numbers (1,3,5,7,9,A,C,E) in every other screen column were displayed as the preceding ASCII character (0,2,4,6,8,@,B,D). Data from the keyboard was stored correctly in main RAM. The video memory problem just displayed it incorrectly. Anyway, does anyone have a source of a Signetics 2504v? Or possibly, is there other more readably available junk-hardware-for-parts that I could pull a 2504v? Thanks! Scott Austin

18 years, 1 month

1
0
0 0

woa - what happened (to cctalk) ?

by brad＠heeltoe.com

I missed my fix of cctalk for a week. What happened? Server died?

18 years, 1 month

4
3
0 0

Apple I BASIC dump

by spectre＠floodgap.com

A fascinating little blog entry on the Apple I BASIC (4K), converted from an MP3 of the tape. Includes code and the 4K binary. http://www.pagetable.com/?p=32 -- ------------------------------------ personal: http://www.cameronkaiser.com/ -- Cameron Kaiser * Floodgap Systems * www.floodgap.com * ckaiser at floodgap.com -- I may have invented CtrlAltDel, but Microsoft made it popular. -- D. Bradley

18 years, 1 month

1
0
0 0

PDP 11/45 multi processor systems

by tshoppa＠wmata.com

Jim Beacon asks: > whilst reading my 11/45 processor manual the other > night, I came across the statement that, if Unibus A and > B are separated, Unibus B can be used for inter-processor > links, so long as one of the connected devices is a Unibus controller. I and John Wilson had wondered about this in the past, and in 2001 John Holden mentioned the following in vmsnet.pdp-11: > Tom Uban wrote: >> The 11/45 processor handbook talks about the utility of a multiprocessor >> system, considering the dual UNIBUS architecture and fast/slow memory >> scheme. >> I know that many discussions have gone by about a multiprocessor 11/70, >> but did DEC ever make (internally?), produce, or sell a multiprocessor >> 11/45 system? >> Did anyone in put a pair (or more) of 11/45's together on their own? > I had an 11/45 with a 11/20 front end, but it gets tricky. You can > only > separate the two Unibuses (unbusi?) if you have fastbus memory. The > controllers were dual ported, one to unibus B and the other a direct > path to the processor. Unibus A was always used by the processor, and > had the bus arbitration logic. Unibus B had no such logic, and was > used > for DMA transfers from peripherals to the fastbus memory. > If you separate the buses (just remove a jumper), and run a second > processor on Unibus B there is a problem. The second processor and > its peripherals have full access to the fastbus memory (only), but the > peripherals on the 11/45 had no access. > In my case using an 11/20 (which doesn't have memory management) the > fastbus memory has to be strapped into the first 56Kb of memory. The > DMA > devices on the 11/45 couldn't have access to this memory, so I had to > write a special bootstrap loader that buffered data in normal memory, > then transferred it to the fastbus segment. > A different hardware solution was the 'Unibus Window', where you could > transparently map chunks of memory (or peripherals) between to > unibus machines.

18 years, 1 month

1
0
0 0

Northstar Advantage

by michaelgreen42＠comcast.net

Can anybody tell me a rough estimate of what a Northstar Advantage would be worth? I believe it has one floppy and a HD in it (definitely not dual floppies).

18 years, 1 month

1
0
0 0

free BA11 shell, RA81 shell, 9-track tape cleaner; Boston area

by brad＠heeltoe.com

I'm moving out of my old rented garage (into a new garage :-) and I have two things to give away (for pickup) in the Boston area. - BA11 cabinet which is solid but missing various power supplies. It was ` once an expansion cab for an 11/730. I think it is 1/2 full of backplane. - RA81 which is missing an HDA. I think it has everything else. - nice 1/2" 9-track tape cleaner device; good for retentioning also (I ended up with two of these and don't need two) If anyone would like these let me know. Local pick up only. -brad

18 years, 1 month

1
0
0 0

Anyone have the development system disks for TRS-Xenix 1.0?

by kelly＠catcorner.org

> Anyone have the development system disks for TRS-Xenix 1.0? I just > recently got my Model 16 running Xenix 1.03 and having a compiler (or > any other software, for that matter) would be nice. I've found images > for Xenix 3.0's development system, but my M16 lacks the proper > modifications to run 3.0. I'll have to check my disks. I may. I have several hundred various disks for this series of computers. If I don't reply soon, remind me. I tend to get a little flakey. Kelly

18 years, 1 month

1
0
0 0

TRS-80 M16b board identification...

by kelly＠catcorner.org

> Amongst some TRS-80 Model 16 parts I picked up this past weekend is a > board I can't identify. It's labeled as a "Tandy 16B Adapter", PCA > 00717000 REV 0. It doesn't seem to have much on it, a few TTL chips and > a 50 pin connector. > > I put a pic up at: http://yahozna.dyndns.org/scratch/IMG_0165.JPG Looks to be the adapter for the "cartridge drive" AKA the bernoulli drive. I have a couple of the boards, but no drives. I'm trying to get my hands on one now. Kelly

18 years, 1 month

1
0
0 0

TRS-80 M16b board identification...

by derschjo＠msu.edu

Amongst some TRS-80 Model 16 parts I picked up this past weekend is a board I can't identify. It's labeled as a "Tandy 16B Adapter", PCA 00717000 REV 0. It doesn't seem to have much on it, a few TTL chips and a 50 pin connector. I put a pic up at: http://yahozna.dyndns.org/scratch/IMG_0165.JPG Anyone know what it is? Thanks, Josh

18 years, 1 month

2
1
0 0

5.25" MO disks to get rid of right now

by dgriffi＠cs.csubak.edu

I have six LMR-1300 and seven LM-D501W 5.25" magneto-optical disks that I want to be rid of ASAP. They're yours for cost of shipping. -- David Griffith dgriffi at cs.csubak.edu A: Because it fouls the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?

18 years, 1 month

1
0
0 0

C++ (was Re: Further PERQ Emulator progress

by cclist＠sydex.com

It used to be a genuine item of concern in X3J3 (FORTRAN), and, for all I know, other X3 standards committees, whether the role of the committee was to certify and clarify existing practice or to extend the language. Fortunately, a lot of people back in the days of F77 remembered what a nightmare PL/I turned out to be. By the time of F90 (was supposed to have been F88), that had been largely forgotten. That awful word "deprecated" seems to spell doom for a language, as in "EXAMINE is deprecated; we're going to give you a new verb, INSPECT, with about fifty jillion new options that you'll never remember anyway." COBOL was never the same after that. It always seemed to me that the C++ people never even had the discussion. For what it's worth, I do use C++ for some projects, but it's generally at the level that C++ was when C++ was pretty much a standalone preprocessor for a C compiler. Cheers, Chuck

18 years, 1 month

1
0
0 0

ISO Interleaf for SunOS

by aek＠bitsavers.org

CHM has a large collection of HP 1000 documents on tape in Interleaf format It would be nice to convert these to Postscript/PDF. Does someone have an old copy of Interleaf that would run on a Sun box (like a SparcStation)?

18 years, 1 month

2
1
0 0

Commodore 64 Power Supply

by sethm＠loomcom.com

I'm sure most everyone who has ever used a C64 is aware of just how phenomenally bad the Commodore power supply is. I have only one C64, but both of my spare Commodore power supplies have now failed, taking a few 4164 RAM chips with them (thankfully, I have replacements!). Does anyone know of a commercially available replacement power supply, before I go off and build one? A linear supply would be trivial to design, but I've never done a switching power supply, which I suppose would be greatly preferable. The trick with the C64 is that it requires both 9V AC and +5V DC. (I've considered frankensteining together 9V AC and +5V DC wall-wart adapters onto the same DIN-7 cable, but it just feels so very very wrong). I'd love to hear from other Commie fans who've solved the power problem. -Seth

18 years, 1 month

20
64
0 0

FS: used 5.25" MO media

by dgriffi＠cs.csubak.edu

I have seven Panasonic LM-D501W disks (940 MB) and six LMR1300 (1.3 GB, MDI and Verbatim) magneto-optical disks available for $5 each plus shipping. They're used, but seem okay. -- David Griffith dgriffi at cs.csubak.edu A: Because it fouls the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?

18 years, 1 month

1
0
0 0

asr33 on ebay

by brian＠quarterbyte.com

Hi folks, FYI there's an ASR-33 on ebay with no bids, ending today, item 220251461521 Looks like it's in good cosmetic condition but seller notes it has an electrical problem.

18 years, 1 month

1
0
0 0

Further PERQ Emulator progress (and a download!)

by derschjo＠msu.edu

Thought some of you PERQ fanatics out there might be interested in an update... I've had some time to work on projects the past few days and so I picked up my poor, neglected PERQ emulator and brushed it off. And this is the result: http://yahozna.dyndns.org/computers/perq/emulator/perq-5th.png http://yahozna.dyndns.org/computers/perq/emulator/perq-chess.png As you can see the emulator is now capable of booting POS from an image of my real PERQ's hard drive! I had to hack in a few things I'm not proud of -- most notably, a simulation of the RASTEROP QCode instruction since emulating the real thing has proven to be a nightmare -- but I plan on doing a proper emulation of the stuff I've hacked around as I work out more of the hardware details... If you want to try it out and see the glory of POS (and who doesn't, really?) you can download version 0.1 at: http://yahozna.dyndns.org/computers/perq/emulator/perqemu0.1.zip Includes all you need to get going. You'll need a Windows machine with .NET Framework 2.0. (Yes, I hear the jeering from the peanut gallery. Sorry I didn't write this for your OS. If you want to help with a Mono port when I get this thing more finished, let me know :)). Be sure to read the readme.txt file as it covers some work-arounds for some annoying emulation issues. Well, back to the grindstone. Need to implement GPIB tablet, disk writes, hardware cursors, serial, ethernet, video timing, real RasterOp emulation, 16K CPU support... and whatever else I've forgotten... - Josh

18 years, 1 month

16
21
0 0

terminal servers

by dm561＠torfree.net

If you're happy with RS-232 only (but with HS and baud rate conversion) then I've got some 16-port NetCommanders for ya. Also some modems and statmux concentrators if they're in different cities ;-) And I could probably also find a nice model 500 phone (and maybe even the DataPhone version) and an acoustic coupler for that other project ;-) Yeah, I thought it was neat first time I saw it, but a little pricey... Couldn't resist defying your sig BTW... mike *********************************************************************************** Original Message: Date: Fri, 4 Jul 2008 00:59:46 -0700 (PDT) From: David Griffith <dgriffi at cs.csubak.edu> Subject: terminal servers I'm considering a terminal server for playing with multiple computers using multiple terminals. Can someone recommend something inexpensive and/or used? The idea is that I'd sit at one of several terminals and select which host I want to talk to. While mentally rolling this around this afternoon, I found my way to this perverse fantasy -- going "online" in public with a Sparkfun portable rotary phone[1] and a portable printing terminal (say, a Tandy PT-210). [1] http://www.sparkfun.com/commerce/product_info.php?products_id=287 -- David Griffith dgriffi at cs.csubak.edu A: Because it fouls the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?

18 years, 1 month

1
0
0 0

It's funny what some people think things are worth

by christian_liendo＠yahoo.com

I check craigslist and honestly it's getting to be a waste but I do get to see what some insane people think their stuff is worth ======================================================== http://newyork.craigslist.org/lgi/sys/741485335.html COMMODORE 64 PORTABLE COMPUTER - $1000 (Garden City) Reply to: sale-741485335 at craigslist.org Date: 2008-07-03, 12:08PM EDT This is a real collectors items, it works perfectly and comes with a few cartridges and floppy disk games. There was a time when this was the second portable computer on the market. Just plug it into electric and off you go for hours and house of fun. ALL ORIGINAL. Serious Inquiries Only. $1,000.00 OR Best Offer!!! Thanks. * Location: Garden City * it's NOT ok to contact this poster with services or other commercial interests PostingID: 741485335

18 years, 1 month

2
1
0 0

DECTalk Express on Ebay

by silent700＠gmail.com

Not mine, but I recall a few folks interested in one here a while back. This one is an exception in that it's up for a non-crazy price: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=200236310450

18 years, 1 month

1
0
0 0

making C64 power supplies

by dgriffi＠cs.csubak.edu

In case anyone's interested, there is quite a bit of material on building replacement C64 power supplies at http://www.midibox.org/. -- David Griffith dgriffi at cs.csubak.edu A: Because it fouls the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?

18 years, 1 month

3
2
0 0

terminal servers

by dgriffi＠cs.csubak.edu

I'm considering a terminal server for playing with multiple computers using multiple terminals. Can someone recommend something inexpensive and/or used? The idea is that I'd sit at one of several terminals and select which host I want to talk to. While mentally rolling this around this afternoon, I found my way to this perverse fantasy -- going "online" in public with a Sparkfun portable rotary phone[1] and a portable printing terminal (say, a Tandy PT-210). [1] http://www.sparkfun.com/commerce/product_info.php?products_id=287 -- David Griffith dgriffi at cs.csubak.edu A: Because it fouls the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?

18 years, 1 month

3
2
0 0

Free (plus shipping) Sun Ultra5

by alanp＠snowmoose.com

This was a rescue. I work for Sun and generally love the hardware. However, the exception is the attempts to make SPARC boxes as inexpensive as PC by using PC-like components and boxes (i.e., Ultra 5/10). However, I saw a Sun keyboard and system stuffed behind some PCs at a rummage sale and complained, so the seller asked if I wanted the system for free. As noted, it is an Ultra 5 with a 366MHz (I think) UltraSPARC IIi processor and 256M of memory. It also has a 3.5" floppy, but I don't have any working floppy disks left, so I can't confirm that it works. The system had a non-original 52x CD drive and non-original HDD. The seller had tried to install Linux, but it would not boot the CD and the system would try and boot from the HDD and hang (such that it would respond to L1-A). I replaced the HDD with a 120G that I had lying around. I used another CD drive to install Solaris (I work in the Solaris kernel group, so what else am I going to install?). Then I figured out what was wrong with the CD drive that the system was given to me with. So, now, it has a 52x CD-ROM and a 120G IDE HDD. The system seems to work fine. It has Solaris 10 (update 5) installed now, but it is a little underpowered to be running that. Included with the system is a Sun 5c keyboard. I just want money to cover shipping it. Or a SPARCstation IPX (I collect the Sun shoebox systems) in trade. Located in the Seattle area. alan

18 years, 1 month

1
0
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Connecting IBM GXT550P to SGI monitor.

by trasz＠FreeBSD.org

Is there any way to connect 13W3 output of GXP550P (graphics card in RS/6000 p43) to 13W3 SGI monitor (GDM-20E21)? In order to connect SPARCstation I had to make a little modification of the SS2 to make it generate sync-on-green signal. Will the same modification work with IBM? -- If you cut off my head, what would I say? Me and my head, or me and my body?

18 years, 1 month

3
4
0 0

Heathkit H-11

by dgriffi＠cs.csubak.edu

Just in case anyone's interested, someone's selling a Heathkit H-11 on Ebay (#380042473453). Looking at the card cage of the thing, it seems that Heathkit simply cloned some DEC boards. What's actually going on? -- David Griffith dgriffi at cs.csubak.edu A: Because it fouls the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?

18 years, 1 month

6
5
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Using an ICL7660 to feed -5VDC to 4116 DRAMs?

by ethan.dicks＠usap.gov

Hi, all, I'm in the middle of getting two bare PET boards working, one static, one dynamic. I don't have great honking transformers lying around, so the easiest way to power them is going to be a bench-top DC supply. One thing that makes this a little easier is that I don't need to worry about cassette motor power in this configuration - no tape drives and no tapes. The static PET is easy - it has a few TO-220 7805s on it (which were removed to get the very tall heat sinks off for easier packing and shipping). I am not even sure I need +12VDC for that one - I don't think I do - just +5VDC at a few amps (also made easier because it came with no ROMs and no SRAMs, so I'm using one of Nicholas Welte's ROM/RAM boards that sits in the CPU socket). The dynamic PET, since it has soldered-in DRAMs, is a bit more complicated. Unless I care to remove the DRAM and fit another ROM/RAM board for the SRAM or adapt a 62256 in some other way, I need +12V and -5V for Vdd and Vbb on the 4116 chips. My question (after all this background info) is... does anyone have enough knowledge of the ICL7660 chip to give an opinion on how well it would work for supplying -5VDC? Looking at datasheets, the max draw I can find on Intel uP416s is 200uA @ -5VDC (along with all its other needs). It looks like the ICL7660 will provide up to 10mA @ -5VDC, but at some higher amount of inefficiency than at lower draws. 16x0.200 is 3.2mA, well under the max draw of the ICL7660, so I think I'm OK, but I wanted to ask other folks about this in case I'm overlooking some important detail. I do have a real C= keyboard that made it before the last plane, and I plan to build either a 74LS86 or 4066-based video adapter to drive a standard monochrome security monitor (that I saved from being discarded two years ago), so keyboard and video are taken care of (plus I have a "C=Key" board that I probably have time to assemble to try using a modern keyboard with). For a base PET, besides video and keyboard, the only other issue is power, thus my question. If the DRAM were socketed, I'd probably just pull it and use a 62256 in the ROM/RAM board and be done with it, but it might just be easier to feed this board +5V and +12V and synthesize the -5V, unless it turns out that I have a bad DRAM chip - then it's time to yank them like a bad tooth (though I _think_ I know where I can find a few 4116 chips on a shelf here if it comes down to just one or two chips). If I were home, it would be easy - I'd pull out a board from one of my PETs, drop these boards in there at least for testing, then see about mounting them in a box of some sort. Now, at least, the only C= stuff I have are these boards and a few loose parts (like 65C02s and 65C22s). One memory that's filtering up to the surface is that ISTR some order-of-DC-powerup requirement for 4116s, like don't apply -5V first or remove it last or some such. I plan to power the ICL7660 off of the +5V rail, but if there is a very specific order that really matters, I might consider running it off the +12V rail (with a 78L05 in-between) instead. Thanks for any input or observations on the ICL7660 and/or 4116s. -ethan -- Ethan Dicks, A-333-S Current South Pole Weather at 2-Jul-2008 at 08:40 Z South Pole Station PSC 468 Box 400 Temp -83.7 F (-64.3 C) Windchill -114.0 F (-81.1 C) APO AP 96598 Wind 6.1 kts Grid 58 Barometer 678.1 mb (10700 ft) Ethan.Dicks at usap.gov http://penguincentral.com/penguincentral.html

18 years, 1 month

7
14
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Vinegar and acetic acid and stop bath

by tshoppa＠wmata.com

Jochen writes: > Well. Actually acetic acid is the acid in vinegar. Most likely this > stuff is just pure acetic acid without any "flavor". > > Remember: If you are going to dilute concentrated acid > _allways_ pour the acid into water. Never do it the other way around. Another tip from the school of hard knocks: never sniff glacial acetic acid to see what it smells like :-). Rather pure acetic acid of varying concentrations is sold in photography supply stores as stop bath or a hardener add-in for fixer. Certainly pure enough for PC cleanup followed by a wash. You want a concentration way way less than "glacial" (99.5% acetic acid) but much more concentrated than the typical percent or two used in stop bath working solutions. Get it with the indicator in it (most common form for photography) and you'll know that you're done washing/rinsing when it stops turning purple. Tim.

18 years, 1 month

2
1
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OT: Microdrive reliability

by tonym＠compusource.net

I use the IBM one's, and I love 'em. Tony -----Original Message----- From: Chuck Guzis cclist at sydex.com Sent 7/2/2008 11:13:00 PM To: cctalk at classiccmp.org Subject: OT: Microdrive reliability Does anyone have any extensive experience with CF Microdrive disks-- in particular, the ST1 models? On everyone's least-favorite auction site, I'm seeing tons of refurbs for sale, which makes me wonder if the things hold up at all... Cheers, Chuck

18 years, 1 month

2
1
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OT: Microdrive reliability

by cclist＠sydex.com

Does anyone have any extensive experience with CF Microdrive disks-- in particular, the ST1 models? On everyone's least-favorite auction site, I'm seeing tons of refurbs for sale, which makes me wonder if the things hold up at all... Cheers, Chuck

18 years, 1 month

5
4
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NeXT Computer Prototype (Seattle)

by michaelgreen42＠comcast.net

I've got a full NeXT slab setup with monitor/keyboard/mouse. It's a basic slab the neat thing is it was a prototype. I compared it once to my other slab and the lettering/logo was a bit different and this one has prototype printed on it. I should even have the original power cord here somewhere and a short stack of original software and developer stuff (magazines, etc). Taking offers, I'd prefer to deal local and I'm not above trades but I mostly need the cash.

18 years, 1 month

2
1
0 0

Microdrive reliability

by cclist＠sydex.com

On 2 Jul 2008 at 22:52, cctalk-request at classiccmp.org wrote: > Date: Wed, 2 Jul 2008 23:19:42 -0400 > From: "Evan Koblentz" > I don't know what you mean by "ST1". But I had an IBM 340MB CF > Microdrive when they were brand new. It still works. The Seagate line are all labeled "ST1 Drive". On closer inspection, it looks as if a bunch of Chinese merchants are trying to use refurb units to sell their USB-to-CF adapters. Best to stick with a US vendor, methinks. I'm working on a project that would normally take a standard (i.e. flash) CF card, but I'm debugging code and I'd like to use something that was a little more tolerant of repeated writing. Cheers, Chuck

18 years, 1 month

2
2
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*48*? pin Cinch connector? (HP 5060-8339?)

by ethan.dicks＠usap.gov

Hi, All, I was going through a box of old stuff and ran across something I've ever seen before - a 48-pin 0.156" Cinch connector w/cable hood. From my Commodore days, I've seen lots of 6 and 12 and 44-pin connectors, but not 48. One telling thing is in fine print on the documentation is the legend "HP Part No 5060-8339". It suggests to me that it might be useful for something in the HP1000 or HP2000 era, if I remember anything about the innards. So, Jay, or other HP fans... does this sound like a familiar connector? -ethan -- Ethan Dicks, A-333-S Current South Pole Weather at 2-Jul-2008 at 15:49 Z South Pole Station PSC 468 Box 400 Temp -75.6 F (-59.8 C) Windchill -109.7 F (-78.7 C) APO AP 96598 Wind 8.7 kts Grid 39 Barometer 680.5 mb (10609 ft) Ethan.Dicks at usap.gov http://penguincentral.com/penguincentral.html

18 years, 1 month

5
6
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Colorado Memory Systems Jumperless Tape Controller

by cclist＠sydex.com

> Date: Wed, 2 Jul 2008 06:57:09 -0700 > From: "Glen Slick" > The Colorado Memory Systems Jumperless Tape Controller 026-328 PCB has > a copyright date of 1990, which predates the ISAPNP specification by 4 > years so it must use a proprietary configuration method. Went back through my notes--it's not the FC-10 or FC-20 from Colorado that's ISA PNP--it's the Exabyte "Floppy Tape Accelerator", PCB 317235-000 that's the PNP one. Circa 1996, using an 82078. Unlike the Colorado, there's no external drive connector. There are also empty pads for what I suspect might be a data compression processor chip. While both the Exabyte and Colorado 2Mb accelerator cards are nominally 16-bit ISA, the Exabyte uses only the 16-bit additional IRQ lines, while the Colorado uses both the 16-bit data and DMA lines in addition to the extra IRQs. Both cards use 48MHz XCOs. The brief user documentation for both state that they can be used in 8-bit slots; but the Colorado specifies that data rates up to 1Mb/sec are supported in 8-bit mode. For what it's worth... Cheers, Chuck

18 years, 1 month

1
0
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Vintage Computer Festival/Midwest 4 - Just one week away

by pat＠computer-refuge.org

Just a reminder that next weekend is my 4th annual Vintage Computer Festival/Midwest, held at Purdue University's Stewart Center. The event has speakers from 11am until 1pm each day, and the exhibits are open from 1pm until 5pm. The ticket price is $5 per day, or free if you're 17 or under, or have a valid Purdue student ID. The event is a celebration of the history of computing, and the machine and people that got us to where we are today. There will be lots of neat technology, and this year we have a door prize of an IBM PCjr from 1983! The PCjr was IBM's first attempt at an inexpensive home computer. I've got several exhibitors signed up, but still have room for more; if you want to show up to show off your collection, or have a few things to sell off at the consignment sale, sign up to be an exhibitor at http://vintage.org/2008/midwest/, or send me an email at this address. Exhibitors get one free t-shirt and free admission, which is included in the $10 per table fee. Pat -- Purdue University Research Computing --- http://www.rcac.purdue.edu/ The Computer Refuge --- http://computer-refuge.org

18 years, 1 month

18
24
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IBM floppy drives

by rtellason＠verizon.net

I tore apart a couple of assemblies that came out of an IBM "SSA" setup, these had a small switch panel, LCD, keyswitch (useless since I don't have keys), and a floppy drive which, when I pulled it out, resembled a PS/2 style drive, though it did have a separate 4-pin power connector and no faceplate. The short ribbon cable in there went to a single connector (pin type) that had the power wiring coming out of it as well. Can anybody use these? I also have a regular PS/2 floppy drive as well, and no particular need for it. I'd corresponded with somebody about that a while back, pulled it out of the box it was in, and it never went anywhere. This one has the single card-edge connector in the back of it, and again no faceplate. Either of these items of interest, feel free to contact me off-list. -- Member of the toughest, meanest, deadliest, most unrelenting -- and ablest -- form of life in this section of space, ?a critter that can be killed but can't be tamed. ?--Robert A. Heinlein, "The Puppet Masters" - Information is more dangerous than cannon to a society ruled by lies. --James M Dakin

18 years, 1 month

1
0
0 0

Colorado Memory Systems Jumperless Tape Controller

by cclist＠sydex.com

> Date: Wed, 2 Jul 2008 06:57:09 -0700 > From: "Glen Slick" > The Colorado Memory Systems Jumperless Tape Controller 026-328 PCB has > a copyright date of 1990, which predates the ISAPNP specification by 4 > years so it must use a proprietary configuration method. Argh--bad memory bit--wrong floppytape controller! Yup--CMS used their own configuration protocol. Linux has a routine that's used by the ftape driver called fc-10.c that probes for the FC-10 and FC-20 controllers. I'm not sure if you have an FC-10, but it might be worth a try. The FC-20 that I have in front of me is PCB 026-121. I've got an FC-10 somewhere, but it'll take some time to dig it out if you're interested. FWIW, the FC-20 uses an Intel 82078 FDC to get 2Mbps. Now that I think about it, the FC-10 indeed wasn't PNP; you had to use a configuration program to set the I/O, IRQ and DMA options. Programs wanting to use the card simply probed a known range of I/O addresses to determine what the setup was. > If it supports FM that would make it useful. Maybe--it depends on the date code of the 82077AA. Earlier ones support FM fully; later ones don't. If the 82077AA is in a PLCC socket, you can replace it with the National equivalent (8477?) to get full FM support. But IMOHO, getting an FC-10/20 to work as a generic floppy controller seems like too much work to me. Cheers, Chuck

18 years, 1 month

1
0
0 0

Colorado Memory Systems Jumperless Tape Controller

by cclist＠sydex.com

> Date: Mon, 30 Jun 2008 18:53:36 -0700 > From: "Glen Slick" > Anyone have any info on a Colorado Memory Systems Jumperless Tape > Controller 026-328? > > It's an 8-bit ISA card with an Intel 82077AA floppy controller. I > have no intention of using this as a tape controller, but wondering if > it would be useful as a floppy controller? I think I've got that one as well as the 2Mb/sec follow-on one in my hellbox. IIRC, it sets the DMA/port/IRQ via the ISA-PNP mechanism (which accounts for the extra logic). If you've got an ISA PNP inventory program, you can easily verify this. An early version of PNP, but later ISA-equipped PCs support it via BIOS and there is usually some sort of manual configuration program for those that don't. Otherwise, it's pretty much a garden-variety floppy controller, though I don't recall if all of the ancillary signals are brought out to the connector (e.g., DISK CHANGE). Depending on the exact date code and stepping of the 82077, the card may or may not support writing FM-encoded data. Cheers, Chuck

18 years, 2 months

2
1
0 0

Subject: Is Needham Electronics Out of Business?

by les＠hildenbrandt.com

I think that they are out of business.. One of there competitors had a note on their web site to the effect that since needhams is out of business, they will give a trade in to their programmer. I have not been able to get on the Needhams page for 6 months or more. Les

18 years, 2 months

1
0
0 0

Willem programmer hackery

by dgriffi＠cs.csubak.edu

This discussion of chip programmers prompted me to try yet again to find something useful for programming chips using Linux. I found the software info page at www.willem.org which states that the DOS version of the controlling software is kept current. Now, suppose we run FreeDOS on a tiny x86 board talking out the rs232 port... -- David Griffith dgriffi at cs.csubak.edu A: Because it fouls the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?

18 years, 2 months

1
0
0 0

Sony MP-F52W-00D needed

by marozzi＠asu.edu

Do you happen to know where I can locate one of these drives? Thank you, Bill -- William Marozzi Engineer Principal Department of Electronic Systems Arizona State University at the Polytechnic Campus

18 years, 2 months

2
1
0 0

RFC re Willem EEPROM programmers

by doc＠mdrconsult.com

I'm looking at buying a Willem programmer to go with my Data I/O 29B. Mostly I'll be using it for reading existing ROMs and programming stuff bigger than the 29B can handle. I've been looking at willem.org, on eBay, and at a couple of non-eBay sources. The first most obvious problem is that none of the available variants exactly match the willem.org board revisions, and I haven't found any cross-reference information. I'm probably not going for the new "true-USB" board. Any system I'll run it with has parallel ports. So... 1) I know a few folks on the list have willem boards. What board version do you have, where did you get it (if you remember), and are there any major pros and cons? 2) Does anybody here have experience with Kee Electronics? http://www.keeelectronics.com/ I'd rather buy direct than off eBay, and they look like a good product line. 3) Yes, I know the software's Windows-only. If anybody knows of a sub-$100 programmer with OS X software, I'd be overjoyed to hear about it. Otherwise, BFD; I have to keep a Windows box for work anyhow. Any input is greatly appreciated. Zane, I'm still getting a 554 reject from citrine.aracnet.com Doc

18 years, 2 months

7
8
0 0

Does anyone have an older copy of Ontrack Disk Manager?

by gstreet＠indy.net

Hello, I'm looking for an older version of Ontrack Disk Manager. I need to perform a bad sector check and low-level format for an MFM HD. I actually have 2 legit copies of the program (from the late 1980's), but, of course, I cannot find them now. Thank you, Robert Greenstreet gstreet at indy.net

18 years, 2 months

2
1
0 0

Is Needham Electronics Out of Business?

by trag＠io.com

Watching a few of the [E]EPROM programmer threads got me to thinking about my EMP-30, made by Needham Electronics. I have not been able to get their website to come up for months. Anyone know if they have gone out of business? I noticed that prices for their programmer accessories (e.g. family modules) jumped substantially a few years ago which is usually not a good sign. If they are gone, anyone know what the latest version of their software was? I know, it was me asking for support of some older Lattic CPLDs which pushed them over the edge... ;-) Jeff Walther

18 years, 2 months

1
0
0 0

Interak

by brianjp50＠tiscali.co.uk

Hi Errol just found your post regarding surplus Interak kit. I suppose it has gone long time ago. If not email me bacjk and we can talk. Regards Brian __________________________________________________________ Free games from Tiscali Play - http://www.tiscali.co.uk/play __________________________________________________________

18 years, 2 months

1
0
0 0

HP Keyboards

by dr.emiel＠xs4all.nl

Does any one knows if the keyboards of the 9000/200 series are interchangeble with the HP-150 keyboards ? Rik

18 years, 2 months

5
7
0 0

HP 1826-1388 Network interface chip

by ard＠p850ug1.demon.co.uk

I'm currently looking at the HP50962 SRM Coax interface PCB. This is a (custom) netowork card for HP9000/200 copmputers. I can't indentify one the the ICs, which basically links to the Coax netowrk cable. It's made by AMD (big AMD logo on it), and carries the HP house number 1826-1388, which I can't find anywhere. It's a 24 pin ceramic DIL package, and I've identified some of the pins : 1 - to ground trhough a resistor (maybe soemthing like Rx gain set) 3 - ground 4,5 - to a pulse transformer, the other side of which goes to the coax connector. Rx inout? 6,7 - ground 8 - Clock input 11 - Rx Clock output 13 - Rx Data output 15 - Tx Clock (output??) 17 - Tx Enable/ 18 - Tx Data 19,20,21 - +5V 22,23 - To 4,5 via low-value resistors (and thus to the pulse transformer). Tx Out? Looking down lists of ICs, I wonder if it's related to the AM7960 or AM7961, but I can't find data on those anywhere. So : 1) Does anyone have the data sheets on those ICs on-line anywhere? (As ever, please don't send pdfs or other large files to me here, but if you have said data sheet as a pdf, I can tell you how to get it to me). 2) Any other ideas as to what that chip might be. Thanks in advance -tony

18 years, 2 months

3
4
0 0

Available PDP 11/35

by quapla＠xs4all.nl

Hello All, I have available one PDP 11/35 in a 10.5" BA-11 box. It contains the processor backplane, programmers console, a cpu with the base processor, EIS option, stack limit, MMU and a 256Kb memory card. Next to that is has a 9 slot DD11 expansion backplane, and optionally a complete RK-11D disk controller. Please contact me off list with your offer. Thanks, Ed

18 years, 2 months

1
0
0 0

Apple Lisa 1 - restoration project

by cclist＠sydex.com

Vinegar! Vinegar! Vinegar! The common household type! >From a US cook's standpoint, if "vinegar" is specified with no qualifiers, the type is determined by the application. If I'm making a salad, a flavored vinegar, such as wine or malt or even apple cider vinegar is used. Balsamic vinegar has lots of gunk in it and is used for a more complex, somewhat sweet flavor in marinades and salad dressings. I'd never think of using it to clean a PCB. Rice wine vinegar is often used in oriental cooking--somewhat sticky when the water evaporates. If I'm pickling (e.g. dill pickles or making sauerkraut), I'll use distilled white vinegar (usually about a 5% solution) as it's the least expensive (commonly sold in gallon jugs). The same vinegar is used for removing lime deposits from a steam iron or coffee maker and for washing windows (if lime stains are present). Just plain old dilute acetic acid, source not important. Brass musical instrument players soak their instrument's valves and tubing in white vinegar to remove deposits left from saliva. Doesn't hurt the brass at all and leaves little smell behind. Sulfamic acid (dry crystals obtained from a paint store) is often used when cleaning masonry indoors where the fumes of muriatic acid would be objectionable. It's stronger-acting than vinegar, but less than muriatic acid and conveniently mixed from the crystals and water as needed. Cheers, Chuck

18 years, 2 months

1
0
0 0

Serial Keyboards on eBay...

by lbickley＠bickleywest.com

I recently restored a system that required a TTL serial keyboard. I initially "hacked" a setup using a VT520 (RS-232) with a "SchmartBoard" RS-232 to TTL converter. Then I found several Keytronic RS-232 serial keyboards on eBay from a single vendor. After reading the specs, I found the keyboard supports both RS-422 and RS-423 by jumper settings. The default setting is RS-422 - which means that one can use "one-side" of the differential output as TTL serial. It also defaults to 300BPS - which is what I needed. (The specs say it can do 9600BPS as well). For those who care, the keyboard is "driven" by an 8048 8-bit microcontroller. I bought four of these keyboards in a previous auction from the same vendor and they are in excellent condition. He now has them listed again as item #300237350802. Starting bid is $9.95... Regards, Lyle -- Lyle Bickley Bickley Consulting West Inc. Mountain View, CA http://bickleywest.com "Black holes are where God is dividing by zero"

18 years, 2 months

1
0
0 0

Heathkit ETA-3400 Modifications

by dfinell＠satx.rr.com

Paul, While trying to find a Heathkit ETA-3400 I ran across your message authored in 2004 requesting a copy of interface/ops manual for this part. I believe I have the info you are looking for. Please let me know if you still need the info. 73's David Finell N7LRY

18 years, 2 months

1
0
0 0

Colorado Memory Systems Jumperless Tape Controller 026-328 Info?

by glen.slick＠gmail.com

Anyone have any info on a Colorado Memory Systems Jumperless Tape Controller 026-328? It's an 8-bit ISA card with an Intel 82077AA floppy controller. I have no intention of using this as a tape controller, but wondering if it would be useful as a floppy controller? Anyone have on programming info for this card? In addition to the 82077AA and 24MHz crystal there are 3 PAL16L8 and 2 PAL20L8. That's probably more logic and what would be needed for I/O address, IRQ, and DMA routing alone, but maybe not.

18 years, 2 months

1
0
0 0

Replacement "pick" roller for card reader

by phil＠ultimate.com

I picked up an HP7260A table top card reader, with the aim of restoring it to working condition. The major problem has been that the "pick" roller that moves the card out of the input hopper and through the first gate had melted into a pile of goo, ending up in a puddle in the output hopper. I only had to sacrifice four blank cards (hand fed) before getting one to pass thru the rest of the transport almost entirely unblemished(*). So far the control/sequencing circuitry seems to be working, but I haven't checked yet if any data is comming out the serial port. Thanks to the HP Computer Museum (www.hpmuseum.org), I found the maintenace manual, and an image of what the roller looked like (#48 in the image below): http://www.ultimate.com/phil/roller.jpg I used one of these readers when I was in High School c. 1978. Before finding the maintenance manual I had no memory of what the roller looked like, but it must have been something soft, with a lot of gripping power. Any suggestions (short of attempting to cast a replacemnt out of melted gumi candy)? The axle is a quarter inch or close, and roller needs to be at least a quarter inch thick. I'm tempted to drop in on a local rubber products company (Greene Rubber, in Woburn Ma), but knowing what to ask for would help! Thanks in advance for any suggestions. Phil (*) One pinch roller inside was slightly gooey, and still gives off blackness, no matter how many times I clean it. The pinch rollers all have a flat spot from having sat for many years, and I might try to replace them with O-rings, but it's not the top priority.

18 years, 2 months

8
9
0 0

1000sqft of raised flooring for $500

by aek＠bitsavers.org

Just spotted this on eBay http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=220250708938

18 years, 2 months

2
1
0 0

Rockwell 6501 SBC Available

by technobug＠comcast.net

Cleaning house since movement therein has become difficult and while trashing out an old piece of equipment came across a SBC consisting of a Rockwell 6501 that ran a credit card reader. It has RS232 and what looks like room for a peripheral chip of some ilk. Viewing at <http://elipsoid.home.comcast.net/IMG_5640.JPG >. If there is any interest, first respondent takes it for postage. CRC

18 years, 2 months

5
5
0 0

Apple 1 on eBay

by us21090＠yahoo.com

Sellam, [Top answering, since inline is getting a bit long]. My fix to the array of dots the monitor was to build the Obtronix Apple-1 correctly! The problem was I accidentally swapped two resistors. On board location D1 (upper left near video connection) R1 should be 1500ohm and the 6 resistors at C2 should be 7500ohm. I had swapped R1 with one of the 6 resistors at location C2 (I don't think the location C2 resistors will cause dots since these are pull-down resistors). I had mixed up a brown with violet, swapping a 1500 ohm resister (brown-green-red) with a 7500 (violet-green-red). Not being a circuit guy (be nice, y'all) my mistake kinda made sense. If I remember my research correctly, pulses from the character generator and the sync signal generator are "combined" through R1, 1500ohm (for char gen) and R2, 3000ohm (for sync), meeting at the base of the video drive transistor. R1 and R2 *should* have a 1:2 ratio. My mistake (ie wrong R1) made it backwards and 2.5:1. The char gen pulses amplitude was less than it was supposed to be. Crank up the contrast to see the characters better and you start seeing sync residuals aka dots. Mind you, my analysis may be off. Do you have a way to contact Yumoto Hirohisa? I'd still like to pass on this information. BTW regarding Apple-1 photos, I was hoping someone would have copies of those at http://homepage2.nifty.com/56thWAREHOUSE/HAJIME.html Thanks, Scott ----- Original Message ---- From: Sellam Ismail <sellam at vintagetech.com> To: Scott Austin <us21090 at yahoo.com> Cc: cctalk at classiccmp.org Sent: Friday, June 27, 2008 5:32:10 PM Subject: Re: Apple 1 on eBay On Fri, 27 Jun 2008, Scott Austin wrote: > Why? In the photos of the monitor attached to the Apple 1, I recognized > a video problem that I ran into when I built my Repro Apple 1. It's an > array of small dots across the entire monitor screen. I wanted to > contact the owner to provide my bit of insight on the problem. Interesting! I too saw this issue on an Apple-1 I brokered a couple years back. If you turn down the contrast or something it seems to go away. What is your fix? > Does anyone know the Japanese owner(s) of Apple 1('s)? I have one in my registry. He bought the first Apple-1 I brokered in 2000 (at VCF 4.0). > At one time I only had the last name of an owner who had two Apple 1's. > Could it be him? This particular Japanese owner has two, so maybe/probably. His name is Yumoto Hirohisa. This is public knowledge, by the way, his story having been written about in Christine Finn's book, _Artifacts: An Archaeologist's Year in Silicon Valley_. > Does anyone have photos of a Japanese owner with his Apple 1? In fact, there's one in the book :) I have extra copies available for sale or trade (I think they cost me $20 or so). -- Sellam Ismail Vintage Computer Festival ------------------------------------------------------------------------------ International Man of Intrigue and Danger http://www.vintage.org [ Old computing resources for business || Buy/Sell/Trade Vintage Computers ] [ and academia at www.VintageTech.com || at http://marketplace.vintage.org ]

18 years, 2 months

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FFS: Tecmar books

by silent700＠gmail.com

>From a big lot of stuff I picked up recently, free for cost of shipping (or local pickup of course) from 60074 USA: - Tecmar Treasure Chest Technical Reference - Tecmar Treasure Chest Users Guide - Tecmar Catalog 104 (memory/tape/hard disk/gfx/video/comms) - Tecmar Companion Software User's Guide Would prefer they all went out at once! Thanks -j

18 years, 2 months

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Last call on MassPar, HP3000, etc.

by 9546924251＠mymetropcs.com

18 years, 2 months

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Eclipse S/140 prom images

by chris＠mainecoon.com

Does anyone have Eclipse S/140 prom images (or a S/140 whose proms might be copied)? I'm long Nova 4s and toying with the idea of teaching one to be an S/140. -- Chris Kennedy chris at mainecoon.com AF6AP/AFA6KY http://www.mainecoon.com PGP KeyID 108DAB97 PGP fingerprint: 4E99 10B6 7253 B048 6685 6CBC 55E1 20A3 108D AB97 "Mr. McKittrick, after careful consideration..."

18 years, 2 months

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TI99/4A with accessories available

by wpileggi＠juno.com

Rescued a TI99/4A over the winter and really need to "do" something with it... SO, I'll offer it to the group. Original box in decent shape (missing internal foam clam-shell packing material); has 2 joysticks; speech synthesizer; Terminal Emulator II module; AC adapter; dual cassette adapter cable; TV adapter + some documentation. Unit itself in good shape, though not 'perfect'. Glad to ship or you can pick-up anytime. I have some photos; basic tests out okay.... Net weight 9 pounds/15 ounces; 4.5Kg. Shipping probably 12 pounds. A little extra to cover shipping tape and gas to the PO appreciated... Contact off-list. Bill KA3AIS ____________________________________________________________ Click here for low prices on a huge selection of popcorn poppers! http://thirdpartyoffers.juno.com/TGL2131/fc/Ioyw6iiesgNNeiRldbQV6wWjWEaVGWM…

18 years, 2 months

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RFP: Altair 8800

by sellam＠vintagetech.com

I'm in the market for an Altair 8800 with all the trimmings. If you've got one to sell, please contact me directly at <sellam at vintagetech.com>. Thanks! -- Sellam Ismail Vintage Computer Festival ------------------------------------------------------------------------------ International Man of Intrigue and Danger http://www.vintage.org [ Old computing resources for business || Buy/Sell/Trade Vintage Computers ] [ and academia at www.VintageTech.com || at http://marketplace.vintage.org ]

18 years, 2 months

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Help with Setting Value

by aek＠bitsavers.org

> I need help with placing a value on a Cray YMP/EL8 fully loaded with > complete documentation and software (boxes is over 50 pounds) with it. If this is for a tax purposes, and this was a donation to your "museum" you should not be attempting to declaring its value. This should be done through an independent appraiser, like Sellam, by the donor. http://www.upstatehistory.org/services/Resources/taxarticle.html CHM follows these guidelines.

18 years, 2 months

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Help with Setting Value

by jrkeys＠concentric.net

Good Day All I need help with placing a value on a Cray YMP/EL8 fully loaded with complete documentation and software (boxes is over 50 pounds) with it. I picked it all up last weekend. I already sent a request to Sellam for help, but wanted to get other opinions as well. Thanks in advance for any help, John K

18 years, 2 months

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Amiga Development System and Sage IV

by daviderhart＠oldzonian.com

Hello everyone, I was recently contacted by a software developer that had an old Sage IV computer that needed a new home. He found me through my Sage and Stride website (http://www.sageandstride.org). He used the Sage IV in the 1980's as part of an Amiga Development System. He was extremely generous and donated both the Sage IV and the Amiga Development System to me, along with software and documentation. I've checked the Sage IV and it is booting to the floppy drive but the hard drive is being a little troublesome. I'll deal with that later. I would like to ask the cctalk community for some ideas on how to bring up the Amiga Development System ... without damaging it. I've posted pictures of the Amiga Development System on WebShots: http://entertainment.webshots.com/album/563890692JxMvHh I'm in no rush to 'boot' the Amiga Development System. I imagine there aren't too many of these floating around, so I want to be extremely careful about bringing it up. I found some pictures that show a system that appears similar, including the wooden keyboard enclosure (I think these are Dale Luck's). http://www.amigau.com/aig/commodore/devbox_black.jpg http://www.amigau.com/aig/prototypes/cbm-lorraine-portrait.jpg http://www.amigau.com/aig/prototypes/amigapcdev.html http://www.amigau.com/aig/prototypes/cbm-lorraine-portrait.jpg >From the docs and what I've learned by talking to other early Amiga developers, the Sage IV was used in developing a lot of the early Amiga code. The Sage IV that I just received uses the Idris OS (Unix clone) and it included the full Idris set of install diskettes and documentation (or so it appears) for the Sage IV. My hope is to show this at the Vintage Computer Festival this fall in my Sage and Stride exhibit, hooked up to a running Sage IV, etc. I would appreciate any suggestions. Thanks!! Regards, david. ----------------------------------- David W. Erhart daviderhart at hotmail.com daviderhart at sageandstride.org http://www.sageandstride.org California, USA

18 years, 2 months

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Rockwell 6501 SBC Available

by technobug＠comcast.net

> Cleaning house since movement therein has become difficult and while > trashing out an old piece of equipment came across a SBC consisting > of a Rockwell 6501 that ran a credit card reader. It has RS232 and > what looks like room for a peripheral chip of some ilk. Viewing at <http://elipsoid.home.comcast.net/IMG_5640.JPG > >. > > If there is any interest, first respondent takes it for postage. > > CRC 'Tis taken... CRC

18 years, 2 months

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Apple 1 on eBay

by us21090＠yahoo.com

Sellam et al, It's interesting to see the interest in the Apple 1, or more accurately, the Obtronix Apple 1 reproduction. I'm glad some jumped in to correct/expose the guy. I'm working on mounting a Obtronix Apple 1 reproduction, hoping to put in up on ebay in the next week (as a reproduction!). So, Sellam (knower of many Apple 1 owner names) and others who may know, too... Last year I came across the Apple Syndrome site: http://homepage2.nifty.com/56thWAREHOUSE/HAJIME.html On that page there's links to various Apple product lines, with lots of information. Back in '07 the Apple 1 link was valid, but now is broken. Following that link lead to pages with many photos of a legit Apple 1. Though the site is in Japanese, I gather (also using babelfish) that the site owner is not the Apple 1 owner. I tried several times to contact the site owner in order to contact the Apple 1 owner. Why? In the photos of the monitor attached to the Apple 1, I recognized a video problem that I ran into when I built my Repro Apple 1. It's an array of small dots across the entire monitor screen. I wanted to contact the owner to provide my bit of insight on the problem. Does anyone know the Japanese owner(s) of Apple 1('s)? At one time I only had the last name of an owner who had two Apple 1's. Could it be him? Does anyone have photos of a Japanese owner with his Apple 1? As I said the web link was broken and I've tried in vain Google cache and the Internet Archive's Wayback Machine (archive.org) Thanks, Scott Austin us21090 at yahoo.com ----- Original Message ---- From: Sellam Ismail <sellam at vintagetech.com> To: Classic Computers Mailing List <cctalk at classiccmp.org> Sent: Sunday, June 15, 2008 1:27:44 AM Subject: Apple 1 on eBay [...] "I though Sellam knew where all of them were?" I only know where the ones are that I know of :) I am discovering roughly 2 new ones out in the wild every year or so, though I expect that trend to drop off sharply over time as I've already located 42 so far and my research tells me that there are probably (PROBABLY) no more than 50 still in existence. I emphasize "probably" because this number was deduced through research that was not exacting (I can provide details if there's interest).

18 years, 2 months

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"Share Your Story" at iReport

by silent700＠gmail.com

iReport has a piece on the Gates retirement and attached is a spot where you can share a story and pic(s) related to old computers. Thought some here might want to contribute or read: http://www.ireport.com/ir-topic-stories.jspa?topicId=40150

18 years, 2 months

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DEC VT100 vs. VT102 - what differences are there?

by tshoppa＠wmata.com

Ethan writes: > My recollection is that the VT102 always has features that are described > as options for the straight-VT100... > I think that must be there because of the cost of SRAMs when the VT100 was > introduced (weighting the costs in favor of the majority 80-column usage > of the day). I don't recall seeing any clones with that limitation, just > the original VT100. The fact that the VT-100 has essentially an "expansion slot" in it made some aftermarket upgrades available for it. Remeber the "Retrographics" upgrade? It let it emulate a Tek 4014 type graphics terminal. (I think the same company that made the Retrographics for the VT100 sold a version for the VT52 as well... different hardware-splicing involved.) In the late 80's, a VT100 with Retrographics was the next best thing to having a real 4014 in your office :-). > There are probably a couple other minor differences. Somewhere, someone > should have some DEC literature on the subject. The Kermit people use the VTTEST program as a benchmark for VT100 compatibility and they know it so well they know what bugs existed in the VT100 but were fixed in the VT102. I think you can get bonus points in the benchmark if you emulate the bugs as well! http://www.columbia.edu/kermit/vttest.html Tim.

18 years, 2 months

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Source for card reader rollers

by aek＠bitsavers.org

The HP reader was made by Documation. http://www.cardamation.com/ Still supports them. Up until the 2000 fiasco, card readers were widely used to process ballots, so it is one of the few 70's era peripherals that have been maintained into the 21st century.

18 years, 2 months

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DEC VT100 vs. VT102 - what differences are there?

by tiggerlasv＠aim.com

As I recall, the Advanced Video Option (AVO) did more than just add memory; it also allowed bold / underline / inverse, etc. More details on the VT100 family can be found here: http://vt100.net/docs/tp83/chapter5.html T

18 years, 2 months

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Gopher for Firefox 3

by spectre＠floodgap.com

I think Gopher is definitely on-topic due to its age, and being a simple hypertext system that is very well suited to classic computers with low horsepower. (More about that in a few months.) In the last few days I finished an extension for Firefox 2 and 3 with improved support for Gopherspace in Mozilla, including a skinnable new interface and CSO/ph/qi queries. I think people who haven't played in Gopherspace in a long time will be surprised at the landscape. Even though even UMN has abandoned the venerable gopher.tc.umn.edu, the population has shifted to small servers and personal sites and a frontier atmosphere that's almost "the way it used to be." I still get an announcement about a new server every week on average, which is not bad for an allegedly "dead" protocol that's over 15 years old. gopher://gopher.floodgap.com/1/overbite/ or http://gopher.floodgap.com/overbite/ or https://addons.mozilla.org/en-US/firefox/addon/7685 I'd appreciate your comments and suggestions. -- ------------------------------------ personal: http://www.cameronkaiser.com/ -- Cameron Kaiser * Floodgap Systems * www.floodgap.com * ckaiser at floodgap.com -- "I'd love to go out with you, but I need to clean my toilet brush." --------

18 years, 2 months

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DEC VT100 vs. VT102 - what differences are there?

by ian_primus＠yahoo.com

I was wondering, what are the differences between the VT100 and the VT102? I've never seen a VT102, but I have heard that there were some differences having to do with screen editing. Anyone know? Similarly, does the VT102 hardware differ from the VT100, or is it just a software change? -Ian

18 years, 2 months

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VT100 keyboards 2 for $40 + s&h

by legalize＠xmission.com

Someone was looking for these recently... ebay item # 280240045357 I believe the seller (patrick-j) is on this list. -- "The Direct3D Graphics Pipeline" -- DirectX 9 draft available for download <http://www.xmission.com/~legalize/book/download/index.html> Legalize Adulthood! <http://blogs.xmission.com/legalize/>

18 years, 2 months

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Reel-to-reel tapes, free (pickup or pay for ship)

by mtapley＠swri.edu

All, I have another big stack of 9-track tape to dispose of, surplus from my office. Most is 3M Black Watch, 6250 cpi, on big and medium reels. I have on the order of 200 tapes. The tapes have mostly been used once, and the data on them is neither valuable nor sensitive. Please contact me off-list or at my office (210)-522-6025 to make arrangements. Pickup in San Antonio or Austin, Texas is preferred, but I'll box and ship and let you know what it cost if you need. -- - Mark 210-379-4635 ----------------------------------------------------------------------- Large Asteroids headed toward planets inhabited by beings that don't have technology adequate to stop them: Think of it as Evolution in Fast-Forward.

18 years, 2 months

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PDP-8 "Introduction to Programming"

by dave.symmes＠hp.com

I tripped across this email link on a Google search. I was the author of the original PDP-8 * "Introduction to Programming", published in either late 1968 or early 1969. I hired onto Digital straight out of college as a tech writer joining a department of four writers for the whole company. Almost 40 years later I am still with HP. Dave Dave Symmes Solution Alliances Engineering (978) 777-6157 - Phone (978) 742-1078 - Fax

18 years, 2 months

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Sun 3/60 for trade

by hardware＠ees1s0.engr.ccny.cuny.edu

Hello, I have a Sun 3/60 that I would like to trade. My interest is uncommon Tektronix stuff, pre-1980. The Sun machine comes with the monitor (color, big, heavy), the keyboard, the optical mouse, the optical mouse pad, and an external 1.4GB disk that has NetBSD on it. The machine seems to work fine. It POSTs with no warnings and I can log in and do stuff. I have even had it online, and used it as a webserver as some point in the 21st century. Local pickup only. I am in New York City and I don't have a car. thanks, -kurt

18 years, 2 months

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Stuff for trade

by dgriffi＠cs.csubak.edu

Here's a list of stuff I can get at right now that I'm offering for trade. Right now I'm hankering for a PDP-11/70 front panel. * Several luggables: Osborne Executive, Compaq 1, Kaypro 10, and perhaps others. Most need work in some way or another. * Lots of S100 cards; I can check for something specific. I know I have a couple video cards left. * Several S100 chassis, some supposedly ready to boot and go. Most of them are "California Computer Systems". There's a Northstar Horizon in there somewhere. * Several 8-inch floppy drives, some in single and dual chassis; others naked. * Lots of lightly-used 8-inch floppies. * A couple metric oodles of S100 docs. If you drive into town I'll stuff your car (or van) with them if you promise to go through them and digitise those that need it. * A Zenith composite monitor. * A tiny (5 inches) IBM composite monitor. * Pieces of an Intel MDS. * An AT&T 3b1 with keyboard and mouse that I like but not enought to really play with it. * A CRT-ish thing the size of a bar fridge that suggests a field-portable radar display. * A big hunk of aluminum with a wheel on it. No idea what it is. Maybe it'll make a nice clock. * Some 5.25" MO disks. -- David Griffith dgriffi at cs.csubak.edu A: Because it fouls the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?

18 years, 2 months

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eBay - What's special about this Pet?

by john_a_s2004＠hotmail.com

More eBay madness perhaps, these normally go for ?50: - http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=300234790958 Or is it some 'rare' model? No doubt we'll see a flury or these now the market has picked up. Regards, John _________________________________________________________________ Great deals on almost anything at eBay.co.uk. Search, bid, find and win on eBay today! http://clk.atdmt.com/UKM/go/msnnkmgl0010000004ukm/direct/01/

18 years, 2 months

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pdp11 blinkenlights panel

by dgriffi＠cs.csubak.edu

I was just wondering if anyone here has a pdp11 blinkenlights panel they'd like to part with. -- David Griffith dgriffi at cs.csubak.edu A: Because it fouls the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?

18 years, 2 months

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Att'n Zane Healy

by doc＠mdrconsult.com

Zane, Could you ping me offlist? aracnet.com is bouncing incoming. Doc Shipley

18 years, 2 months

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MD1000-390a

by rdahms＠internode.on.net

Hi Is this still available: clearing more goodies out. such much faster and easier than epay, that's for sure. motorola 5inch display in a small cage with electronics like flyback, etc. has connector on back for interfacing. from a xeroxed paper that's in the box, it says standard CGA resolution and gives pinouts. label sez mod #MD1000-390a. from 1986 and is unused. make an offer which will allow me serveral steak burritos at taco bell and its yours. Regards Russell

18 years, 2 months

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Amiga Development System and Sage IV (esp Idris)

by daviderhart＠oldzonian.com

> >"David W. Erhart" wrote: >> >>The Sage IV that I just received uses the Idris OS (Unix clone) and it >>included the full Idris set of install diskettes and documentation (or so it > >>appears) for the Sage IV. > >I've been hunting for Idris files (for any machine) for a while; if you >can image those disks I'd love to get a copy. I've never seen anything >about Idris on the web, sadly. > >-brad > There's an entry in Wikipedia about Idris at: http://en.wikipedia.org/wiki/Idris_(operating_system) A scan of the Idris User Guide is on my FTP site at: ftp://sageandstride.org/pub/IdrisUsersManual2.2.PDF I'll try to get scans of the other three Idris manuals soon, as well as diskette images using Dave Dunfield's ImageDisk program. david.

18 years, 2 months

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Looking for a Zenith Z29 terminal, and some VT100 keyboards

by tiggerlasv＠aim.com

VT100 keyboards? I've seen some recently on e-bay, but they could be closed by now. I definitely saw a VT102 keyboard last night, so that is probably still there, although it's like $50. . . > Also, while I'm looking for stuff, anyone have a Qbus > Pertec tape drive controller that'll work in a Vax? > Thanks guys! > -Ian I believe VMS supports the TSV05, so any TSV05-compatible controller should work; Dilog DQ132, etc. Coincidentally, I'll be posting one or two Pertec controllers on e-bay tonight, although they are (operationally) untested. They do respond to "pokes" to the CSR / SA registers, and appear to pass self-tests, though. ;-) T

18 years, 2 months

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Tru64 AdvFS

by dholland＠woh.rr.com

Via the grapevine... http://advfs.sourceforge.net/ Doesn't mean a great deal to me, since I've never even seen a Tru64 box, but thought it might be of interest to someone.....

18 years, 2 months

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