test-drb October 2004

test-drb@ccmp.vtda.org

245 participants
540 discussions

by jrice54＠vzavenue.net

Can a few people check out my site for rendering problems and report back to me. I'm not anywhere near finished but I need to know if everything appears to be working. It looks ok to me with Mozilla but I haven't installed Opera and don't use IE. My one box with Safari installed is still in the storage facility. Thanks,, James -- www.blackcube.org The Texas State Home for Wayward and Orphaned Computers

20 years, 2 months

CARA hamfest report

by wh.sudbrink＠verizon.net

I don't bother with many hamfests any more, as most seem to be turning into intel x86 clone shows. However, one hamfest that has never disappointed me is the CARA (Columbia (Maryland) Amateur Radio Association) hamfest held each October. This year's fest was no exception. It was pretty small this year due (probably) to the threatening rain, but I was still able to score the following for under $15 total (including $6 to get in): Bugtrap Model 2074 Logic comparator with manual and clips/probes. _Logic_Circuits_and_Microcomputer_Systems_ copyright 1980 by Wiatrawski and House intel 8-Bit Embedded Controller Handbook (1989) and (best for last) ADM-3A interactive display terminal operator's handbook (first printing, copyright 1975) ADM-3A Maintenance Manual in an LSI Data Products vinyl 3-ring binder. Full schematics, troubleshooting section, keyswitch repair/maintenance, etc. A good Saturday morning's haul, I think. Bill

20 years, 2 months

HP5245 Info

by carlo＠kbnet.co.uk

Hi Have stumbled over the messages about HP5245, I have one, its been working for years but now its developed some faults some of the digits are stuck on a number.Like to have some basic diagrams before I start fault finding, diagram of the two display boards decade counter boards would be nice. Kind Regards Carlo Kowcun (Italy)

20 years, 2 months

MFM Drive replacement

by Pres＠macro-inc.com

Anyone know of any solid state drive replacements for MFM hard drives? I know Wilson is making MFM->SCSI drive. And other companies make SMD and RK05 SSD plug ins. Anyone heard of a MFM SSD? If not, might be a fun project. Thanks, Ed K.

20 years, 2 months

Anyone interested in this Sun Sparc systems?

by vcf＠siconic.com

I've got a couple Aries Research Marix SS tower boxes that I'm getting real close to scrapping out for lack of any reason to keep them. These are Sparc servers basically. One's got 512MB RAM. The other has some unknown amount across 16 30-pin SIMMs (perhaps 4MB to 16MB each?) I've then got two similarly-styled tower chasses from the same manufacturer that have 5 Micropolis 1926 (2GB) drives each. See photos here: http://www.siconic.com/computers/Aries/ I'm hoping there's someone that would want the parts out of these...perhaps the memory or drives or CPU. Or maybe you're interested in the entire box. Who knows. I'd just hate to scrap them before I offered the stuff up to the list. I would like a nominal bit of cash to make it worth my time to pack and ship. It's all available, in whole or in part. First come first served. If there are no takers within a couple days, these will be ripped apart and everything will go off to the vultures. Act fast! Contact me off-list of course. -- 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 ]

20 years, 2 months

Can anyone id this? Western Union TWX V Diagnostic Control Panel

by rigdonj＠cfl.rr.com

Anyone know what this is? I bought two of them today. They're aluminium boxes about 9" tall, 4" wide and 1 1/2" thick. They have a four digit LED display and a hex keypad on the front. On the LH side is a rotory switch to set the BAUD rate (110 to 9600). Also a pushbutton labeled INS and a jack labeled "remote INS". (Any guesses what INS means?) On the RH side is a reset switch and a DB-25F connector. On the bottom of the front panel are four rocker switches labeled "Diag" and "1", "2" and "3" with "TEST" above the 1, 2 and 3 switches. On the back is a label that says "Western Union Information Systems", "TWX V Diagnostic Control Panel", "Type Number 900012/IDP 01 995922", the unit serial number and "Made in USA". There's a place for the date but, unfortunately, it's blank. On the top is a 50 pin ribbon cable header. When I got these they had a ribbon cable connecting both units together but I doubt that they're supposed to be used that way. Note that there's no OFF/ON switch or power connector on thse. They must get their power from the unit under test. BTW TWX means teletypewriter exchange service but no idea what TWX V means. Based on this and the Western Union logo I'm guessing/hoping that these are made for testing teletypes. Joe

20 years, 2 months

Anyone selling 5.25" blank Apple or Atari disks?

by pbmain＠wideopenwest.com

Looking for about 10 5.25" blank Apple II or Atari 800 compatible diskettes...just need something to play around with... Pete pbmain(a)wideopenwest.com

20 years, 2 months

LF Heathkit H8 original software

by nancy＠randyray.com

Dave, I saw your note on some forum asking about Heathkit H8 software. I, too, have an old H8. I built it in the mid 70s. Unfortunately I didn't keep any of the old software on cassette. Did you find someone that would get you copies of any of the apps? I'd be interested in paying for copies as I am trying to get mine back up and running. I am especially interested in Basic. Please reply to me personal email randy(a)randyray.com Thanks, Randy

20 years, 2 months

Cromemco SpaceWar object code

by aek＠spies.com

> Does anyone have a functional copy of the Cromemco SpaceWar program http://www.bitsavers.org/bits/Cromemco/paperTapes/

20 years, 2 months

Morrow S-100 MPZ80 CPU board ROM needed

by r.stek＠snet.net

I am so close to having my Morrow Decision I working again, but.... I have 3 MPZ80 CPU cards, and I can boot up a 1 drive floppy based CP/M system but I really want to get a HD system working (BTW, thank you Allison for the ST-506's). However all three monitor ROMs are version 4.47 which is set up for the Micronix OS they also sold. Apparently there is some code in there which sets a different sector size for Micronix rather than for CP/M, and possibly has other differences as well. I am not interersted in running Micronix (even though I seem to have the complete (?) C source code for it). When I boot from a CP/M floppy, I can use the Morrow HD format program to format the HD, but it always gives me sector time out errors for each head during the verify phase (presumably because of whatever is in the 4.47 ROM). What I need is a copy of version 3.7 (it's on a 2732). Anyone out there with ROM I can copy or can copy one for me? Thanks. Bob Stek Saver of Lost Sols

20 years, 2 months

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test-drb October 2004