test-drb January 2009

test-drb@ccmp.vtda.org

218 participants
340 discussions

by silent700＠gmail.com

I'm going to start unloading some of my pile of accumulated DEC cards. They are mostly QBus. Some common ones will be offered up here cheaply. Some will be placed on the dreaded eBay. Here is the first listing, a Q-Bus RTC, with more to come: http://shop.ebay.com/merchant/dev*null Thanks for looking -j

15 years, 4 months

Membrane keyboard connector repair advice? (Osborne 1)

by derschjo＠mail.msu.edu

Yet another small repair question -- Picked up an Osborne 1 with a non-functional keyboard. Upon opening it, I found that one of the plastic/membrane keyboard ribbon connectors had cracked partially through near where it plugs into the PCB. Since these ribbons are actually part of the membrane of the keyboard I can't just replace the cracked ribbon -- so the only option appears to be to re-cut the end of the ribbon cable and expose a bit of the conductive material. What's the recommended means to expose the conductive stripes at the end? I've tried gently scraping with the tip of an x-acto knife but it either does nothing or takes everything off the end :). Thanks! Josh

15 years, 4 months

TRS-80

by wdonzelli＠gmail.com

Next on the Cavalcade of Junk is a plotter for the TRS-80 - model FP-215. This is a parallel port controlled device, capable of drawing on an 8.5 by 11 inch sheet. The cable and manual are included. It powers up and goes thru the self test OK. It is dirty, but really not bad under all the dust. It is a bit heavy. Best offer over sixteen cents plus shipping and packing. -- Will

15 years, 4 months

Source for SCART connectors in US?

by snhirsch＠gmail.com

Can anyone help me find a supplier for SCART video connectors in the USA? Maplins in UK has them but wants almost $100.00 (!) flat fee for handling on international orders. Are there any UK vendors with their feet on this planet? In a pinch, is there a cctech reader overseas that wouldn't mind being a middleman? I don't want to pay $100.00 for the service, but wouldn't mind a few bucks/pounds for overhead :-). Steve --

15 years, 4 months

Computer Music (LP) ebay item 350143529632

by stephane.tsacas＠gmail.com

http://cgi.ebay.fr/ws/eBayISAPI.dll?ViewItem&item=350143529632 >From the auction item description : Klarenz Barlow, " ?o?luotob?si?letmesi " Herbert Henck, Klavier PDP 11/55 Computer, 4X Digital-Synthesizer -- Stephane Paris, France.

15 years, 4 months

PDP-11/05 returns to life

by toby＠coreware.co.uk

I managed to coax my PDP-11/05 back into life today and ran a few simple programs on it successfully. As a result a few questions for the experts out there: 1. To get it up and running I had to replace its two fans both of which had failed which I did by scavenging another 11/05 chassis I have. Does anyone have any tips on reviving failed fans? Both spin freely by hand but when powered one hums heavily and the other reluctantly and somewhat noisily spins up (if kick started with a screwdriver). If recovery is impossible can anyone suggest suitable replacements? The current ones are labelled Super-Boxers 2. Is there a chasing lights program I can run on the 11/05? Would be nice to see it visibly doing something 3. At the moment the machine has 16KW of core (2 x 8KW planes). This together with the CPU fills all but the last slot on the Unibus (its a 5inch box so only 9 slots). I'd like to fit a DL11 so that I have some serial comms and ideally an RX11 as well so I can hook up my RX01 drives and boot RT-11. Can I make use of the 9th slot or does this have a special purpose? There is a lot of wire wrap going to slot 9 so I'm guessing its not suitable. 4. What versions of RT-11 is suitable for an 11/05 and what is the minimum memory to run it? Thanks, Toby -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.

15 years, 4 months

What kind of IC is this - part two

by lehmann＠ans-netz.de

Ok, I got another one - now with picture! ;) It is labeled DDU-4- 7992 The picture can be seen here: http://pics.pofo.de/gallery/v/S8000/S8000_boards/P1070269.JPG.html Wild guessing.... resistornetwork? capacitornetwork (was something like that around?)? Greetings, Oliver -- Oliver Lehmann http://www.pofo.de/ http://wishlist.ans-netz.de/

15 years, 4 months

RT11 5.07

by dstorey＠barossafarm.com

Hi It's been 10 years since Digital ->Compaq ->HP ->Mentec ->Calyx stopped selling RT11. I have been trying to get hold of RT11 v5.07 for hobbyist use. I contacted Calyx, Ireland who told me that they no longer license it and that I should make contact the various groups to see if anyone can help me on an individual (non commercial) basis. Thanks Dominic (pdp11 at barossafarm.com)

15 years, 4 months

IBM paper

by wdonzelli＠gmail.com

I culled roughly 15 pounds of IBM docs out of my pile (so much more to go!) - and it all needs a good home. It is mostly late 1970s early 80s mainframe stuff, dealing with terminals and control units, and some printers as well. I think there is a little disk stuff, too. User guides, maintenance, and thing like that. Best offer over sixteen cents plus shipping from 10512. Al gets automatic dibs. -- Will

15 years, 4 months

TRS-80 modem

by wdonzelli＠gmail.com

I have a TRS-80 acoustic coupler type modem, model AC-3, available. It is in perfect condition, never been used. I do not have the power unit, however. And I mean perfect. Available, best offer over sixteen cents plus postage from 10512. -- Will

15 years, 4 months

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test-drb January 2009