test-drb February 2003

test-drb@ccmp.vtda.org

337 participants
780 discussions

by vcf＠siconic.com

I am in need of the following Flip Chip modules: R302 (3) R604 (2) R002 S111 (7) S602 (2) R210 (8) If you have any spares that you wouldn't mind trading or selling away, please contact me directly <vcf(a)vintage.org>. Thanks! -- Sellam Ismail Vintage Computer Festival ------------------------------------------------------------------------------ International Man of Intrigue and Danger http://www.vintage.org * Old computing resources for business and academia at www.VintageTech.com *

21 years, 8 months

Epson HX-40 ???

by gwynn＠powwwer.net

Cord try doing a Google search using PX-4 as the search, which is the basic p/n for that unit (PX-4/HX-40) . I did and came up with all kinds of info, including a site that lets you ftp download a bunch of rom ifo (Like the BASIC rom). Good luck. GWW

21 years, 8 months

Home to remove monumental grime?

by vcf＠siconic.com

Can anyone suggest a safe way to remove grime that is so old and so thick that the only way to remove it is to rub it off with your bare fingers? I slathered this board in contact cleaner and it didn't do anything. The grime just remained. If I rub it with my bare fingers then it will eventually start to rub off and leave little remainders like pencil eraser droppings. Any ideas? -- Sellam Ismail Vintage Computer Festival ------------------------------------------------------------------------------ International Man of Intrigue and Danger http://www.vintage.org * Old computing resources for business and academia at www.VintageTech.com *

21 years, 8 months

Heathkit H89 Intro

by dwightk.elvey＠amd.com

>From: knightstalkerbob(a)netscape.net > >"Jason J. Gullickson" <mr(a)jasongullickson.com> wrote: > >>I recently acquired what I believe to be a Heathkit H89. It was >>assembled a long time ago by my friend's father, contains a single disk >>drive and a monochrome terminal. >> >>My ultimate goal would be to get this thing running CPM and a C >>compiler, but first I need to figure out if it's working. >> >>I've yet to determine if it has a hard or soft-sectored disk controller, >>but I have some general questions since I don't have any documentation. Hi Sorry, I lost the first message. One can tell if it is hard or soft sectored by the controller card. The hard sectored has a uart ( or usart ) chip and the soft sectored has one of the typical FD controller chips. I think it may have been a Western Digital that they used. The other problem is that CPM requires RAM at the lower addresses. You'll need to make the modification that allows one to shadow the ROM. I suspect that it is either on this groups archives or you might look in the news group comp.os.cpm. I've seen it talked about someplace. Dwight

21 years, 8 months

ELT-320 working! (was Re: Who here has a Planar ELT-320?)

by erd_6502＠yahoo.com

--- Tom Uban <uban(a)ubanproductions.com> wrote: > Sorry, but my hard drive crashed and my DSL went down, both in the same > week and unrelated... Thanks for responding (but between a helpful post on classiccmp from Mark Roberts and cracking mine open to meg it out myself, I'm up and running ;-). I put a 12V switcher I got at Dayton for about $5 in an ancient and long empty external 400K Mac drive case (belonged to my mother when the drive inside died over 12 years ago) and wired it up to a C-64 drive cable half I got from the thrift store (someone spliced their own extension cable in the middle by twisting the wires and encasing it all in PVC tape :-P ) Worked the first time. So now I'll have an flat-screen terminal powered by a PSU in a Mac drive case, talking to a portable PDP-8 in an Amiga drive case. Guess I should post some pictures of that. :-) -ethan

21 years, 8 months

Home to remove monumental grime?

by Edward.Tillman＠valero.com

21 years, 8 months

Information, Dokumentation about the HP7974A 9-track tapedrive

by asholz＠topinform.com

Hello all, I got an HP7974A 9-track Tape. Is there anyone on this list who has some documentation about this tape. Esp. I'm interested in servicing informations, schematics and manuals. As I already often noticed with other tapedrives it's drive capstan has turned to goo. Has someone hints or experiences in repairing the rubber of a tape capstan. Andreas

21 years, 8 months

Fw: [OT ... but ...] RS/6000 stuff in Munich - go and get it !

by rschaefe＠gcfn.org

Saw this on spamnet news. No association, replys to original author, etc., etc., etc. Bob ----- Original Message ----- From: "" <> Newsgroups: comp.sys.ibm.ps2.hardware Sent: Wednesday, February 12, 2003 6:17 PM Subject: [OT ... but ...] RS/6000 stuff in Munich - go and get it ! > Hi ! > > Recently I got a mail from Florian Wolf (wolf -at- ingeniq.de), who offered > RS/6000 machines for those capable to lug them home. He doesn't give the > Models, but one is a -55L (big server - 7012 I would say) with CD and tape, two > are desktops -370 (7012 too I think) and one -43P (?). All are in good order, > look complete and have E(i)thernet cards inside. > > They have to move latest at the end of next week or else they are crapped. > > Leave me a note or write or write Florian in direct mail. And: you *need* to be > capable to pick them up in Munich. Arrangements *might* be possible like for > instance to pick them up at Florians place and not where they are now - but > that's matter of individual negotiations.

21 years, 8 months

Philips P5003 = Micom 2001

by lgwalker＠mts.net

I tracked down some new info on the Micom (which I've blathered about before). On the great NL computer site : Allard's computermuseum Groningen http://drake.nl/computermuseum/philips/p5003.html is a new(?) addition, the Philips P5003. It is basicly a copy of the Micom 2001 which Philips had acquired when they bought a big chunk of the Canadian company Micom The 2001 was the next model after the original 2000 (which was introduced in 76) and differed in that it had an attached keyboard. The boards in the P5003, which came out in 79/80, are basicly the same as in the 2000 and are even labeled as such. They can be compared with those on Bill Sudbrinks site. http://wsudbrink.dyndns.org:8080/osi/micom2000.html The Groningen site also has a nice shot of another canadian machine. An AES which is credited with being the first programmable wordprocessor and was a previous start-up by Stephen Dorsey who also founded Micom. Lawrence lgwalker@ mts.net

21 years, 8 months

Designing around a 6502 (was Re: Assembly on a Apple IIc+)

by Lee.Davison＠merlincommunications.com

Why? You don't need to have a MMU for multi tasking. MMUs are ment for virtual addressing which is a complete different concept. They are also used for address translation and memory protection. Both usefull functions in a multitasking system and both needed to implement virtual memory Lee. ________________________________________________________________________ This e-mail has been scanned for all viruses by Star Internet. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk ________________________________________________________________________

21 years, 8 months

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test-drb February 2003