test-drb February 2009

test-drb@ccmp.vtda.org

196 participants
309 discussions

by jdbryan＠acm.org

Would anyone have any of the following HP 64000 logic development system manuals: 64635-90901 64635A State Data Probe Service Manual 64636-90901 64636A State Clock Probe Service Manual 64650-90905 General Purpose Preprocessor Service Manual 64650-90906 General Purpose Preprocessor Operating/Service Manual I have a 64000 and the 64620 state analyzer cards, and I want to build an HP-IB preprocessor interface. The theories of operation and schematics in the above manuals will help me with this. Thanks! -- Dave

15 years, 10 months

Intel μscope 820 from 1978 found - for 8085 microprocessor

by innfoclassics＠gmail.com

I just picked up an intel ?scope 820 with a date code of 1978. It came with the 8085 module and cables. Looks complete with manual but I have not tested it yet, I probably will. It was originally designed as a diagnostic tool for the 8080A. Unfortunately I did not get that module. It is in a plastic black carry case with the manual, 8085 overlay, 8085 module with a ZIF socket for the 8085 and a cable from the module that plugs into the original 8085 socket for the board under test. AC powered. To quote from the manual: The ?scope 820 is most easily described as three instruments combined into a single convenient test instrument. A minicomputer front panel. A microprocessors anayzer. A substitute program memory. I am planning on selling it so if you are interested please make offers. It is very clean and not abused at all. I would bet it has had very low use. This is the first time I have seen one of these even though we used to buy truckloads from intel in the early 1990s. Please contact me off list at paxton.hoag at gmail.com for offers or more information. I supose I should scan the docs, there are only about 35 pages. Paxton Astoria, Oregon USA

15 years, 10 months

reasonable price for a working VT05?

by legalize＠xmission.com

What's a reasonable price for a working VT05 in good working order and cosmetic condition? By "reasonable price" I don't want to hear stories about how you found one for $5 at surplus 10 or more years ago. Its irrelevant. So before you go on about how these things used to be commonplace and cheap/free, let's just inject a little reality into the discussion. They don't come up on ebay with any sort of regular frequency; in several years of running a standard search for DEC terminals, its never come up once. VT52s/VT78s rarely show up anywhere, while VT100s are fairly common. I'm not even aware of many collectors that have one; I know the Wofford Witch project has one, but I don't think Henk in the Netherlands has one (he has a VT55 link, but no VT05). The Computer History Museum appears to have two in its collection, but that's no surprise considering they've received a lot of stuff from Gordon Bell (as I understand it). -- "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/>

15 years, 10 months

WTS: AT&T 3B1 Olivetti branded with manuals and DEC Vaxstation 2000 storage box.

by rikbos＠xs4all.nl

I'm concentrating my collection on HP, so before I put it on epay: I want to sell or trade my working AT&T 3B1 Unix PC this one is co-branded with the Olivetti logo. I'm selling it together with 5 manuals and the original installation software (only disk two diagdisk is missing) The 3B1 is equiped with the DOS73 Co-processor board. Also I'm selling a VaxStation 2000 storage box inside is disc but I won't spin when power was applied. This could be a jumper issue but I sell it as non working. Photo's can be found at flickr http://www.flickr.com/photos/35618294 at N03/ Please react off-list -Rik I'm located in the Netherlands.

15 years, 10 months

Emulith V1.2, the ETH Lilith emulator, now also for windows.

by jos.mar＠bluewin.ch

I prepared a new release of Emulith, my emulator for the ETH Lilith hardware. New features : - Usage of the FLTK toolkit instead of of Xlib. - Windows port. - Landscape/portrait modes - normal/reverse video. - file transfer to / from host system - diskimage make & split tool. - partial floppydisk support. - Speed display. Basic CPU emulation remained unchanged and, as before, sourcecode is supplied. Interested parties can now download from my FTP site - The Emulith windows package : ftp://jdreesen.dyndns.org/emulith/emulith_v12.msi - or the Linux package : ftp://jdreesen.dyndns.org/emulith/emulith_v12.tgz - for OS-X : no package yet as I do not own a Mac. However i expect very little issues in porting to the Mac. Volunteer can contact me. and a set of 5 diskimages ftp://jdreesen.dyndns.org/emulith/disk.tar.gz Enjoy, Jos Dreesen

15 years, 10 months

VAX cables for the cost of postage

by jim＠photojim.ca

Hi all, Yesterday I had a failure of my router (it wouldn't reboot after a UPS was reset and it took me basically all day to get it running - but I did get it running!). Since there was a ton of hurry-up-and-wait, I took advantage of the opportunity to clean my basement computer area quite a lot, and made a huge pile of stuff. Most of it isn't of any particular interest to people here (unless you have an itch to own an external Supra modem with a rotating LED display :) ) but I found a box of VAX cables that might well be of interest. Included: A very long (50'?) MMJ to MMJ cable (male on both ends) A fairly long MMJ to DB25 female cable, homemade by someone, connected to a standard DB9/DB25 modem cable. I haven't tested it. This can be the console cable on a VAX (I have one just like it on my VAXstation 4000/60). Two MMJ female to DB25 male cable adapters. You have to self-wire them but the wiring is included. Unopened. Labelled ATI-G25M6-DEC. One MMJ female to DB9 male cable adapter. I inserted the pins on this, but I'm not sure if it's right because it didn't work for me. Hopefully if I did screw it up, you can rewire it easily enough. Two RJ45 female to DB9 male cable adapters, as above, pins uninserted. Two RJ45 female to DB25 male cable adapters, as above, pins uninserted. I think I figured I could put these to use in this project, but I'm not quite sure what I had in mind. :) Obviously, they'd be useful in making inexpensive CAT5-based serial cables. (Presumably they'd be good if you wanted to make a cable for Sparcstations or such, since Sparcs seem to have reverse gender serial ports. I seem to have gender bender adapters for mine though.) A weird DEC cable, DB25 male on one end, and what I think is QBus female on the other (3 rows of pins, 17/16/17 - DB50?). I'm guessing this will be a huge score to someone, just not sure what it goes with. :) Cost: Free. You pay shipping from Canada (to check postage costs, http://www.canadapost.ca, from postal code S4R 1A1). I'll have to formally weigh the package, but I'd guess about 2.5 kg. It's in a standard #10 envelope box that originally held 500 envelopes. To make it fun: - I won't pick a recipient until whenever I check my email first on Sunday (so figure noon CST/1800 UTC as a rough guess, although it might be earlier or later). - If only one person wants them, they win no matter what. :) - Each interested person gets one entry to the random selection. - Canadians preferred, and get an extra entry. But if you're outside Canada and will pay postage, and really, really need this stuff, an exuberant email convincing me of such will make me treat you like you're Canadian. :) (You may also owe me a draught ale from a local establishment, if I ever end up in your city.) (Particularly exuberant Canadians may get three entries, at my discretion.) - Correctly answering the trivia question below gets an extra entry. - Promising to give me an account on a VAX you are running gets you an extra entry. :) (I promise not to abuse it.) (And you don't have to give me an account unless you are awarded these bits, of course.) - Don't answer the trivia question in-list. :) Please reply to me directly, and not on-list. The trivia questions: If you live in Canada, or are a Canadian citizen, answer this one: What is the newest Alberta telephone area code? If you live in the United States, or are an American citizen, answer this one: What state(s) in the United States have land area north of the 49th parallel? If you do not fit into either of those categories, answer this one: Palm trees can be found growing where in Canada? (Hint: the answer is not "indoors", although this may pedantically be true. :) ) Good luck :) Jim

15 years, 10 months

Powering up a 20-year old MicroVAX II

by robert.jarratt＠ntlworld.com

> -----Original Message----- > From: cctalk-bounces at classiccmp.org [mailto:cctalk- > bounces at classiccmp.org] On Behalf Of Robert Jarratt > Sent: 20 February 2009 22:45 > To: cctalk at classiccmp.org > Subject: Powering up a 20-year old MicroVAX II > > I have just collected a MicroVAX II which has been in storage and has > not > been powered on for 20 years. This is my first machine of such an age, > unfortunately I am not particularly knowledgeable at the electronics > level > (I studied circuits academically 25+ years ago and can solder a bit, > but > that is as far as it goes). I know I will need to treat it carefully in > order to get it working again. I plan to open it up and make sure I > clear > out any debris etc, but beyond that I need advice from those with the > experience and knowledge that I lack on how to go about powering it up > carefully. > > > > Thanks > > > > Rob After removing all the boards and leaving just the disk and tape drive for load I impetuously decided to try powering it up. I knew the PSU (model H7864) was set for 110V and made the switch to 240V (I am in the UK). When I connected the power cord, after a few moments there was a loud pop, followed by another before I could pull out the power cord, smoke rose from the PSU. This sounded just like when I had once accidentally made a 110/240 mix-up. The question is, could it be that I had not made the switch to 240 correctly, or could this just be down to the age of the PSU? Regards Rob

15 years, 10 months

8088 vs. 80c88

by les＠hildenbrandt.com

There was also the NEC V20, which was pin for pin compatible with the 8088. It was a CMOS part. There were a few instructions that the V20 executed in fewer clock cycles than the 8088 (multiply comes to mind), causing some motherboard vendors to install a V20, and the sell a 10mhz motherboard as a 12mhz motherboard. The truly great feature of the V20 was the 8080 emulation mode. When a special opcode was executed, the processor switched to 8080 mode, a very fast 8080. I made several CP/M (80) systems using a V20 processor, with a small prom to put the v20 into 8080 mode. I could then switch back into 16 bit mode to implement a ram disk. Les

15 years, 10 months

UK101 update

by lproven＠gmail.com

I have just, this afternoon, finally received the rest of the Compukit UK101 I was talking about last August, which aroused some interest - I received half a dozen direct emails and a few IMs about it, too. I now have the UK101, in a metal case resembling a rather enlarged Dragon32. I also have the original instruction manual, complete with receipt stapled in the back - 26/9/79, I believe. ?252 and change, including VAT, for an 8KB 8-bit machine. :?) I also have a bare (uncased) CRT monitor for it, in its original shipping box. I believe I may also have a demo software cassette tape - I've not yet tried to remove the monitor from its box. My plan is to put these on eBay and donate any proceeds to the Bletchley Park museum. Does this seem reasonable? They will cost a fair amount to post, although I am prepared to do that and I am a reasonably competent packer, not of the "chuck it in a box, add some polystyrene peanuts and hope" variety. Personal collection would be preferable, from South London, but for several potential purchasers I imagine this would not be viable. -- Liam Proven ? Profile: http://www.linkedin.com/in/liamproven Email: lproven at cix.co.uk ? GMail/GoogleTalk/Orkut: lproven at gmail.com Tel: +44 20-8685-0498 ? Cell: +44 7939-087884 ? Fax: + 44 870-9151419 AOL/AIM/iChat, Yahoo & Skype: liamproven MSN: lproven at hotmail.com ? ICQ: 73187508

15 years, 10 months

(no subject)

by AA1RONHAM＠aol.com

Hi Brian: My Dad's secretary just gave me the 200 in 1 Science Fair electronics kit, (28-249) but there is no instruction manual. I found your old post (below) and wondered if you still had the pdf for this manual. Thank you very much. Aaron Radio Shack Science Fair manuals YahooMagneticSci Guy magneticsciguy at yahoo.com Sat Nov 4 19:39:00 CST 2006 Previous message: OT: Where have electronics hobby stores gone? Next message: New monitors on old machines Messages sorted by: [ date ][ thread ][ subject ][ author ] Do you know of a group(s) exchanging Radio ShackScience Fair manuals?I'm thinking of rolling all of these into torrent(s)as I get them collected.I have manuals (that I can scan in, in a few phases)for:28-249 "200 in 1"28-267 "75 in One"& need manuals28-245 "20 in 1" 28-259 "130 in One" Thanks much!Brian ************** A Good Credit Score is 700 or Above. See yours in just 2 easy steps! (http://pr.atwola.com/promoclk/100126575x1218822736x1201267884/aol?redir=htt… treport.com%2Fpm%2Fdefault.aspx%3Fsc%3D668072%26hmpgID%3D62%26bcd%3Dfebemailfo oterNO62)

15 years, 10 months

← Newer
1
...
13
14
15
16
17
18
19
...
31
Older →

Jump to page:

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

1999

1998

1997

test-drb February 2009