test-drb September 2003

test-drb@ccmp.vtda.org

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507 discussions

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Sellar won't Take $100 for mag

by jrkeys＠concentric.net

Here's a Popular Electronics that went to $100 http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=2753642221

20 years, 7 months

TDX Format Tapes?

by curt＠atarimuseum.com

Eric, You hit the head right on the nail ;-) All kidding aside, that is exactly it! thanks to all for your input. Curt > > Anyone familiar with this format, I've got about 200 6" tapes that all say > > TDX Format or TDX Tape. > > > > I've found nothing about it through Google, these were used on a Vax 11/780 > > under either VMS or UCB Unix 4.1, unclear as to which OS. Standard TU78 > > was used. This is all I know so far... > > > > Is this some kind of compression format or something? Any help on this > > would be greatly appreciated, thanks. > > They may be tapes for a Sentry tester. A development system was available > for VMS and there was a program to read and write TDX tapes for exchanging > data and programs with the tester. If I remember correctly TDX stood for > Tester Data eXchange. > > This may be a completely different TDX format. Is there any other information > on the labels? > -- > Eric Dittman > dittman(a)dittman.net

20 years, 7 months

HP-85: Pictures of the PCB of the programmable ROM drawer

by vp＠mcs.drexel.edu

After popular demand :-) I am posting the URLs for said PCB: Top View (with ICs): http://www.series80.org/Pictures/HP-Prog-ROM-Top.jpg Bottom view: http://www.series80.org/Pictures/HP-Prog-ROM-Bottom.jpg Installation Note for the programmable ROM drawer: http://www.series80.org/Manuals/HP82929A.pdf Notice the custom ICs between the TTL components and the bus. Since the HP-85 bus uses 12V clocks and +6V logic, and that the bus is bidirectional (thanks Tony), does anybody have suggestions on how we can construct a replacement of the custom ICs? Thanks **vp

20 years, 7 months

hardware problems

by al_macdonaldjw＠milchstrasse.de

20 years, 7 months

CCCP

by nico＠farumdata.dk

I have now retyped everyting from this document (24 pages in Courier 10 pkt) and scanned the tables etc, in total 7 MB after ZIP. The material is now on its way to Fred, so he can convert it to PDF format. It could be interesting to hear the comments of someone involved in the original ES project, so we can see how close the CIA was with regard to the project. Nico -- It has been noticed, that hackers and other lowlifes use my e-mail address as a hiding place. I regret the inconvenience these pirates give you

20 years, 7 months

PDP11/84 continued

by bqt＠update.uu.se

On Sun, 28 Sep 2003 Doc Shipley <doc(a)mdrconsult.com> wrote: > After several hours with the 11/84 last night, it appears that I'm in > the same boat as Gunther with respect to the Unibus terminator. What's the problem with you guys??? The Unibus is really simple to get right. :-) One thing you should know about the 11/84 is that you don't use wire wraps on the backplane for the NPG slots in the CPU box. The M7677 (MDM) have NPG switches for all card slots instead. Go to that card and check it out... Second. The 11/84 must have a minimum load on both the PMI and Unibus. The minimum load module (MLM) is M7556. Since you have two memory cards, that MLM is not in. But depending on the configuration of the Unibus, you might want to have the MLM in there. However, I don't think you have a problem here, since I suspect that if the machine powers up, that aspect is ok. It would be nice to hear how Gunther is doing. I'm very sporadic on classiccmp though. If you need help on pdp-11 stuff, I'd recommend you post to info-pdp11, or alt.sys.pdp-11 (or whatever it's called). Johnny Johnny Billquist || "I'm on a bus || on a psychedelic trip email: bqt(a)update.uu.se || Reading murder books pdp is alive! || tryin' to stay hip" - B. Idol

20 years, 7 months

Free DEC LA-36 (Boston Area)

by patrick＠evocative.com

Recently posted on the Vintage Computer Marketplace, check it out... http://marketplace.vintage.org/view.cfm?ad=192 --Patrick

20 years, 7 months

PDP-11/84 continued

by tradde＠excite.com

>What's the problem with you guys??? The Unibus is really simple to get >right. :-) >One thing you should know about the 11/84 is that you don't use wire >wraps >on the backplane for the NPG slots in the CPU box. >The M7677 (MDM) have NPG switches for all card slots instead. Go to >that >card and check it out... --------------------------------- I am having a similar problem, but my system does not have an M7677. Mine is an 11/84E. The CPU is in slot 1, memory cards in slots 2 and 3, and the Unibus adaptor in slot 4. 5 and 6 are empty, 7 and 8 have the UDA50, and 9 has a printer card of some sort. For mine the NPG grant jumpers are actually on the bottom of the backplane. I have set them for where the boards are not. I had believed this system to be configured as working, but it is not. It has a second backplane but had no M9202. If I put the terminator in slot 9 of the primary backplane it hangs. I know the UDA50 needs the NPG out. I will have to examine to see if the printer card needs it or not. I would guess the Unibus adaptor would not? Tim Radde _______________________________________________ Join Excite! - http://www.excite.com The most personalized portal on the Web!

20 years, 7 months

HP 9835 avail; and: HP 9835 tape conversion request

by m351super＠netscape.net

Hello i am interested in the HP 9835 for my collection.I live in PA 19007. Thanks Chris

20 years, 7 months

Tektronix 4054

by montym＠swbell.net

Wolfgang, try contacting Richard Heming also in Germany <heming(a)muenster.de>, who has a Tek museum with a 4054 on the web at http://www.tekscope-museum.de monty Tektronix 4054 cctalk(a)classiccmp.org cctalk(a)classiccmp.org Tue Sep 2 19:45:15 2003 a.. Previous message: PDP-11/73 or 11/83's in the US for sale? b.. Next message: Looking for HP 10342B Bus Preprocessor software c.. Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] -------------------------------------------------------------------------------- Hi Monty, I'm from Germany and I also have a 4054. My problem is, that I can get no doks for the system - can you help? Wolfgang -------------------------------------------------------------------------------- a.. Previous message: PDP-11/73 or 11/83's in the US for sale? b.. Next message: Looking for HP 10342B Bus Preprocessor software c.. Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

20 years, 7 months

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test-drb September 2003