test-drb April 1998

test-drb@ccmp.vtda.org

122 participants
678 discussions

by sethm＠loomcom.com

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26 years, 9 months

What format is a VAX 8800/8700/8550/8500 bootdisk in?

by DSEAGRAV＠toad.xkl.com

I just got my hands on a console refrence for the above, and it had a 5.25" disk in the back. It's labeled "WAFI". (APparently the machine name). How can I see what's on it? I did a "MOUNT/FOREIGN DK0: B:" from PUTR, and it doesn't recognise the format... -------

26 years, 9 months

8080 Trainer - more info

by fauradon＠pclink.com

If you are interested I can manage to have the schematics and silkscreen scanned, but I'll wait till you ask ;) >I now have to work out which socket is which. Shouldn't take long - I >recognise all the chips, have data one them, and it's quite simple. Don't >spoil it for me by posting the answer just yet ;-) Francois ------------------------------------------------------------- Visit the Sanctuary at: http://www.pclink.com/fauradon

26 years, 9 months

Whitechapel Hitech 10 bits?

by ard＠p850ug1.demon.co.uk

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26 years, 9 months

Wang Computer

by lwalker＠mail.interlog.com

My most recent discard find is a Wang PC-S3-2 . It had had 2 winchester disks removed before being thrown out, but otherwise seems intact. No KB , monitor , or FDD's of course. From what I've been able to find on the net ( Wang CUG) it's an early "Classic PC" but this predates their oldest listed model specs. There seems to be many more sites on the CPM models but not on Wang PC's. The full-size motherboard has Z-80 and 8086 chips and 2 20 pinM ribbon connecters below two cutouts leading to the HD enclosure ,a centronics parallell printer, 25 pin serial, and KB ports on the rear. It has 5 half-size expansion slots .all occupied. One card is labelled PM 101 IBM Mono emulation and has 2 rear sockets. One is a regular 5pin kb socket and the other an 8pin din which I imagine is the monitor port. Strangely enough the same din as my Epson KB. This board is coupled with another by a 10 line ribbon cable. On either side of these are 2 cards that look identical the bottom-most labelled PM 021 / 022B Winchester Controller. Both have 20 pin and 10 pin male ribbon connectors. The top-most card looks like a memory card and has a LED. It's somewhat sparsely populated with mcm 6665 (motorola mem ?) and low-powered schotsky chips but traces for many more sockets. Seems pretty straight forward if it wasn't for the extra 20 pin connectors on the HD controller cards. Fdd connectors ? My lack of technical knowledge is showing. Maybe because of the company I'm keeping on this techno-whiz m-list. It's intimidating. :^) I believe Wang had it's own proprietory system and I did d-l a set-up from the Wang CUG site but info on this beast seems scarce, tho IIRC they were widely used in business operations. Anyone ?? ciao larry lwalker(a)interlog.com

26 years, 9 months

OT re:OT

by lwalker＠mail.interlog.com

Hmmm 31 messages downloaded. Score ? Subject 19 Assholes errmm no thats The PC's Soviet 3 Star Treck At least more interesting than US dicks are bigger than Russian dicks 9 classiccmp related SAM !!!!!! I might have to rethink things. ciao larry lwalker(a)interlog.com

26 years, 9 months

Visual 1083 Commuter portable

by Marty＠itgonline.com

Anyone have any information on the Visual 1083 Commuter? It is a MS-DOS based dual half height 360K floppy portable. Thanks- Marty

26 years, 9 months

The PC's Soviet?

by photze＠batelco.com.bh

I dunno if this guy's going to privately e-mail me or send an e-mail to ClassicCmp, but there's this programmer that I know that seems interested in early Soviet computers. I'll see what I can see... the A2 clone sounds cool, if it had a decent 6502/6502 clone. Tim D. Hotze -----Original Message----- From: Max Eskin <maxeskin(a)hotmail.com> To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> Date: Thursday, April 16, 1998 9:57 PM Subject: RE: The PC's Soviet? > >>Does anyone on the list have any Soviet-manufactured systems? This >might >>be a good thing to look for when (whoever it was that wrote the list >that >>he was going to Hungary soon) goes over there. >> >Do Russian slide rules coun > >______________________________________________________ >Get Your Private, Free Email at http://www.hotmail.com

26 years, 9 months

The PC's Soviet?

by peacock＠simconv.com

> All right, I have taken this for a while, but no more. This ignorance > about Soviet technology and abilities is ridiculous. I think you > people have kept your anti-communist opinions along with you IBM > 704s. > > Although the USSR certainly had ridiculous administration, and its > technology was not very modern, there were many advances by the > soviet union, and it now has just as much technology as the US. > The soviets always had comparable technology, but were limited by inefficient manufacturing and logistics. Those only exposed to western design philosophy tend to belittle soviet engineers because of the seemingly crude appearance of their equipment, but they had to meet vastly different product requirements. Their export market was the underdeveloped third world, no infrastructure at all. When your target market is some place like Mongolia, Eritrea or South Yemen you have an entirely different set of design parameters. There is no Radio Shack down the corner, no parts store in town, no UPS delivery service. Even literacy is at a premium. Yet they were able to deliver relatively sophisticated equipment to places like this, and were able to maintain it locally. I for one have a great respect for soviet engineers like Mikoyan or Antonov, even Mikhail Kalashnikov, the guy who designed so well he worked himself right out of a job. Jack Peacock

26 years, 9 months

8080 Trainer - more info

by fauradon＠pclink.com

This Trainer was called the Dyna-Micro Here is the Memory allocation: Hi Lo 000 000 \ > Key Prom 000 377 / 001 000 \ > Optional ROM 002 377 / 002 000 \ > Optional R/W Memory 003 377 / 003 000 \ > R/W Memory 003 377 / 004 000 \ > Available for user expansion 377 377 / Will post more later Does anyone knows where I can find a 1702 programmed with KEX? Francois ------------------------------------------------------------- Visit the Sanctuary at: http://www.pclink.com/fauradon -----Original Message----- From: Glenn Roberts <groberts(a)mitre.org> To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> Date: Wednesday, April 15, 1998 9:12 PM Subject: 8080 Trainer - more info >Tony Duell originally asked this but the group may be interested. The MMD1 >8080 trainer was based on a design by Jonathan Titus and Company (Tychon >Inc.) and was apparently described in a series of articles in the May-July >1976 Radio Electronics, however it is also described in "The 8080a Bugbook", >a Howard Sams book (ISBN 0-672-21447-4), 1977. > >Tony: the two ROM sockets are for 1702 ROMS. The very simple but efficient >monitor, called KEX for "Keyboard Executive", easily fits in the 256 byte >space of one of these, leaving ROM socket 1 for "expansion". > >I don't have access to the original articles on this unit but it was easy >enough to reverse engineer the assembly listing of KEX, below. I'd give >y'all instructions on using the monitor but that would take the fun out of >reading the source listing! i've also stuck the HEX file at the end of the >listing. have fun! >

26 years, 9 months

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test-drb April 1998