test-drb July 2007

test-drb@ccmp.vtda.org

189 participants
323 discussions

by rcini＠optonline.net

All: I came across a video monitor for one of my machines that has an 8-pin rectangular connector with locking tabs. I remember from my days as an audio-video geek in high school that this is sometimes called an ?EIA connector?. I remember we used these cables to connect JVC and Sony VTR equipment. I?ve done some searching in my usual catalogs and I can?t seem to locate this connector. Does anyone happen to have a manufacturer name/part number for this so I can narrow my search a bit? Thanks. Rich -- Rich Cini Collector of Classic Computers Build Master and lead engineer, Altair32 Emulator http://www.altair32.com http://highgate.comm.sfu.ca/~rcini/classiccmp

17 years, 5 months

Need docs for Burroughs term

by silent700＠gmail.com

I've just picked up an old Burroughs terminal, model# appears to be MT-985, and I'm having trouble finding documentation for it. It came with a manual for the ET-1100 model which provides some clues, but the key sequences to get into the setup for baud rate, etc appear to be different. Anyone have any experience with these? It's a cute little terminal and the keyboard has a key lock on it - never seen that before.

17 years, 5 months

Help identifying a capacitor

by mbbrutman-cctalk＠brutman.com

I'm trying to reverse engineer a board that I have and I've bumped into a component that I don't understand the markings on. If you would like to help, a picture can be found here: http://brutman.com/2007_0717_124331.JPG I suspect it is a capacitor, but the markings are strange to me. The capacitor behind it has '104' written on it, so I understand that to be a 0.1uF capacitor. But the one in the foreground marked '35+' is strange to me .. (My apologies in advance - I'm a software person, but I'm trainable.) The identified capacitor and the suspect capacitor tie together two ground plane, so I suspect it is for power smoothing. Thanks in advance, Mike

17 years, 5 months

Teletype Model 40 tape unit

by legalize＠xmission.com

Ebay # 190133198900 -- "The Direct3D Graphics Pipeline" -- DirectX 9 draft available for download <http://www.xmission.com/~legalize/book/download/index.html> Legalize Adulthood! <http://blogs.xmission.com/legalize/>

17 years, 5 months

2901 OT

by wbblair3＠yahoo.com

Just as an off-topic diversion from a subject that I don't think is actually off-topic, here are a number of die photos including some from the AMD 29xx and 29xxx series and others: http://diephotos.blogspot.com/ ------------------------ "The war is not meant to be won, it is meant to be continuous. -- Eric Blair (aka George Orwell), "1984" ____________________________________________________________________________________ Sick sense of humor? Visit Yahoo! TV's Comedy with an Edge to see what's on, when. http://tv.yahoo.com/collections/222

17 years, 5 months

2901 OT

by wbblair3＠yahoo.com

> Does anyone have the datasheets on the AMD 2901 bit slice? > I have the data sheet on the 2901A/2901B/, but it would be nice to have > some timings from the 2901. Although I haven't looked, I suspect that its would be in the 33MB PDF 1979-AMD2900.pdf found here: http://www.electronballet.com/Databooks/ It's the AM2900 Family Databook. Best, Bill ------------------------ ?Shoot THE DUCK! Shoot THE DUCK!? - Bugs Bunny ____________________________________________________________________________________ Fussy? Opinionated? Impossible to please? Perfect. Join Yahoo!'s user panel and lay it on us. http://surveylink.yahoo.com/gmrs/yahoo_panel_invite.asp?a=7

17 years, 5 months

Classic Operating Systems Book

by technobug＠comcast.net

If you have $20 to spare, Edward Hamilton Booksellers <http:// www.hamiltonbook.com> has an interesting volume: item 612139X, Classic Operating Sytems: From Batch Processing to Distribute Systems. You can read a more complete description at <http:// www.springer.com/west/home/generic/search/results? SGWID=4-40109-22-2182421-0> (listed at $74.95). CRC

17 years, 5 months

cctalk Digest, Vol 47, Issue 32, Message 1, LEO (1950) NGTE

by mike＠brickfieldspark.org

> From: Jules Richardson <julesrichardsonuk at yahoo.co.uk> > Subject: Re: [personal] cctalk Digest, Vol 47, Issue 29, Message 9 > Subject: LEO (1950) > To: General Discussion: On-Topic and Off-Topic Posts > Long-gone presumably? Sites seem to often get cleared of fixtures and > fittings > really quickly in the UK compared to other countries for some reason. > Plus, > even if there was anything left, the kids seem to trash everything they > can > and of course the petty thieves move in for metals like copper. > NGTE as a site is sitll there in its entirity, Google for it and you will find lots of Urban Exploration groups listing NGTE. The site is still partially used, the computer suite is one of the buildings you cannot get into so some of the mainframes - might - just still be there, but who to contact ? to find out. >> Tesco wants to build a 1,000,000 sq ft distribution depot, >> apparently it will be one of the biggest buildings in the Uk,.with 1600 >> 38 ton lorry (non motorway) movements a day, nothing good will come of >> it. > > The government won't need a national ID database and ID cards, they'll > just > borrow Tesco's ;) >

17 years, 5 months

Unknown Acorn Scematic

by mike.hatch＠mclennan.co.uk

Whilst going through some old schematics I found one for an Acorn, although it does not say which type, beleive it my be a BBC Model B, could be wrong. Its here if needed - http://www.brickfieldspark.org/temp/acorninfo.htm Mike (Aka TerrapinDundee)

17 years, 5 months

Looking for old Computer Shoppers . . .

by dgreelish＠mac.com

Hello, I'm looking for copies of Computer Shopper from the year 1992 (late '91 - early '93). Anybody have some copies laying around the house? You know, when they were really thick and big? Since I'm requesting, I'm also looking for some missing issues of INFO=64 magazine . . . anyone? Thanks for your help. Best, David David Greelish classiccomputing.com The Classic Computing Podcast Home of Computer History Nostalgia Stan Veit's History of the Personal Computer Audio Book Podcast

17 years, 5 months

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test-drb July 2007