test-drb July 2004

test-drb@ccmp.vtda.org

259 participants
518 discussions

by india_50＠yahoo.com

hi guys, great info on the rounds here. btw i happend to find an old comp, i fig must be atleast 15-20yrs old. i fig that it has a NECV30 (similar to 8088) i guess. no idea if its still in workin cond. i tried checkin, the powersupply's alright, and the power reaches the processor and the other chips. the bios chip is on board (andi doubt that's the trouble maker) can somebody tellme where ican find some info on manual bootstrapping it. the monoc monitor that came with it does not work, so how do i proceed. i hv my hols now and would like to work on it. tu ___________________________________________________________ALL-NEW Yahoo! Messenger - sooooo many all-new ways to express yourself http://uk.messenger.yahoo.com

20 years, 2 months

AVAILABLE: PDP11/23 (and /73) SYSTEMS

by waltje＠pdp11.nl

Hi All, It looks like I might have some PDP-11/23 (and/or 73) systems available soon. Given their weight, pickup is preferred, as I will NOT drag em to the post office. These are complete system, not just the CPU's. If interested, drop me a line off-list. Location is SAN GABRIEL, CA, which is just south of Los Angeles. There's also two LA120 DECwriter III's. Cheers, Fred -- Fred N. van Kempen, DEC (Digital Equipment Corporation) Collector/Archivist Visit the VAXlab Project at http://VAXlab.pdp11.nl/ Visit the Archives at http://www.pdp11.nl/ Email: waltje(a)pdp11.nl BUSSUM, THE NETHERLANDS / Mountain View, CA, USA

20 years, 2 months

Anybody here work on HP 7905/7920 disk drives?

by rigdonj＠cfl.rr.com

Went scrounging yesterday and found a small plastic box of what looks like HP disk drive test/alignment accessories. Parts include 07905-60049, 07905-60039, 5061-1386, 07920-60030 and 07920-62421. Anybody need this stuff? The box is filled with that old self-disintegrating foam so the stuff will need to be cleaned up but it looks like it's in very good condition (the box is in rough shape). Joe

20 years, 2 months

Commodore Pet ROM trouble... EPROM Substitutes...

by pete＠dunnington.u-net.com

On Jul 22, 13:09, wolfgang(a)eichberger.org wrote: > 2732 2532 > EPROM -> SOCKET > Pin(s) Pin(s) > 1-17 -> 1-17 > 18 (E) -> 20 (PD/PGM) > 19(A10)-> 19 (A10) > 20(GVpp)> 21 (Vpp) > 21(A11)-> 18 (A11) > 22-24 -> 22-24 That should certainly work for reading. -- Pete Peter Turnbull Network Manager University of York

20 years, 2 months

PDP11/73 power-up codes

by runtime＠wzrd.com

I found EK-KDJ1A-UG-001 "KDJ11-A CPU Module User's Guide," which might help, because unless my memory fails me, the KDJ = 11/73. I didn't immediately find power-up codes in it -- probably because something like MXV11-B2 or other ROM set issues the codes. If I can find an MXV11 doc, I'll post a message. I used to have one. Contact me if you want the KDJ11 manual. runtime(a)wzrd.com DM

20 years, 2 months

Vaian 620?

by rigdonj＠cfl.rr.com

Does anybody around still have one of these that works? Joe

20 years, 2 months

Apple IIe ROM

by f.heite＠hccnet.nl

>From: Mike Kenzie <kenziem(a)sympatico.ca> >Subject: Re: Apple IIe ROM >Does anyone know of a reference that might list ALL the ROMs produced for the IIe? No list - but if you happen to find an Apple IIe with the text " Apple //f " on the startup screen, you might have found my old Apple - for which my dealer made me a personalized ROM. Besides that small gadget, the code that overwrites some memory locations when the reset key is hit, was nopped in the new ROM. Regards, Freek Heite.

20 years, 2 months

Motherboards

by BUFFYBRON＠aol.com

Hi Chris I will pay all shipping costs to the UK for the motherboards, please advise if this is possible. Brgds Steve

20 years, 2 months

front panel toggle & paddle switches?

by rigdonj＠cfl.rr.com

Does anyone have a list of the part numbers and brands of the various toggle and paddle switches used on the various computers? Or better yet, close up pictures of the switches? I find lots of surplus equipment with nice toggle and paddle switches and I keep wondering if they're the same as those used on any of the collectible computers and if I should pull the switches and save them. Joe

20 years, 2 months

Motorola Powerstack 603e

by stacie＠computerspectrum.com

Hi! Just wondering if you have anything like this still lying around. Let me know when you can, Stacie Creed 502-585-8866

20 years, 2 months

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test-drb July 2004