test-drb November 2006

test-drb@ccmp.vtda.org

220 participants
452 discussions

by jwest＠classiccmp.org

I posted about this board before and one or more people said they had one. Now I'm curious if anyone has documentation for it :) This is a 3rd party quad height unibus board and appears to be a 4 port SLU. The manufacturer is ACT, and the only part numbers I can find on the board are 10015000, 10015001, and 10015002. There are 4 rotary dials (my guess is baud rate), and one 10 position switch bank (priority & address?). I'm curious what all the dip switch settings are, can it start at the normal console address and thus replace an M7856, does it have an LTC capability, etc. Pinouts for the port (berg) connectors would be good. I can't seem to find anything about it on bitsavers or googling. Any pointers appreciated! Jay West

19 years, 2 months

"All in one" Early PCs

by cclist＠sydex.com

All: Since I couldn't find much on the web about it, I decided to snap a couple of photos and put the information on my Durango F-85 system on a web page. http://www.sydex.com/durango/durango.html I've actually got two of these things; the second has the integrated hard disk but is otherwise the same. Does anyone think a photo of the external hard drive (SA-4008) would be worthwhile including? How about an old (and worthless) Durango stock certificate? Cheers, Chuck

19 years, 2 months

FYI: Data General 9-track tape drive (looks like Nova colors?)

by legalize＠xmission.com

Lot description: <http://cgi.govliquidation.com/auction/view?id=1020372&convertTo=USD> Pic: <http://web.govliquidation.com/auction/view_photo?eventId=2607&lotNumber=340…> -- "The Direct3D Graphics Pipeline" -- DirectX 9 draft available for download <http://www.xmission.com/~legalize/book/download/index.html>

19 years, 2 months

EBCDIC

by Billy.Pettit＠wdc.com

I was at work and needed an EBCDIC code, came across this. A useful link if you are using the old hardware and need a old code. http://www.lookuptables.com/ Billy

19 years, 2 months

sources for older bipolar proms, etc.

by jwest＠classiccmp.org

Since several people have asked... the last batch of 82S131's I bought was >from www.arcadechips.com I also exchanged a few emails with the proprietor. He was very helpful, overly considerate... and emailed me after the order came just to make sure I got it and it was all to my satisfaction. I gotta give this guy a high rating. Prices were good too. As an additional resource, I have also bought fairly large (to me) quantities of the above (and similar) proms from another place at www.mikesarcade.com I received the same unusually high level of service and good prices from the second source as well. Jay West

19 years, 2 months

Discussion of large systems

by Billy.Pettit＠wdc.com

Chuck Guzis wrote: Plowing through very short records (physical blocks) on an old drive makes all sorts of interesting noise, too as the drive stops and starts in the IRGs. I remember running a particular COBOL acceptance test on CDC 607's that you could hear in the next county... Cheers, Chuck --------------------------- It was wonderful wasn't it? And on the batch programs, all the attached tapes would rewind at the end of a job. You could feel the noise with your feet on the raised floor. I think the ulitmate was one night at CERN. Some jackass was playing and rewound all 36 tape drives at the same time. CERN was running the 1" 627's at the time. People went streaming out of the computer room. The idiot was banned from the 6600 permanently. Billy

19 years, 2 months

Apple Macintosh LC complete offered

by wpileggi＠juno.com

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19 years, 2 months

Discussion of large systems

by Billy.Pettit＠wdc.com

Chuck Guzis wrote: I suspect that the Japanese printer makers were pressed to come out with a better product because of the need for higher print resolution when printing Kanji characters. Cheers, Chuck ------------------------------- Absolutely. That was certainly the case when I worked at Fujitsu. The 9 wire printers were only sold in the US, weren't considered good enough for Japan. 24 wire was standard in Japan for a few years before being sold in the US. And it was one of the driving forces to develp the laser printer technology. Japan had to have the finer resolution. I think that even today, most laser engines are developed in Japan and OEM'd out. Billy

19 years, 2 months

Collections of (physically) large computers

by vp＠drexel.edu

sorry I couldn't resist ... ard at p850ug1.demon.co.uk (Tony Duell) wrote: > I think the distinction I normally use is often called 'keeper'. That's a > pun on 'Key Per Function' meaning a calcultor has, say, a key labelled > 'SIN', whereas on a computer you spell it out. Byt that definition the > HP41 is a calculator (although you _can_ spell out the function names if > you want to), the HP9830 most vertainly isn't. so what does this make the Sinclair ZX-80, ZX-81 and Spectrum systems? (I am not even sure you *could* type in the commands, I think you *had* to press the appropriate function key). **vp

19 years, 2 months

Spectrums (was Re: Collections of (physically) large computers)

by aliensrcooluk＠yahoo.co.uk

--- Adrian Graham <witchy at binarydinosaurs.co.uk> wr ote: > On 1/11/06 11:05, "Jules Richardson" > <julesrichardsonuk at yahoo.co.uk> wrote: > > >> You do. It saved them having to fit a tokenisin g > routine into the ROM. > > > > to nit-pick: > > > > a) didn't the later Spectrums (128, +2, +3) with > '128 BASIC' let you type the > > commands without the keyword system? > > Yep, from the Investronica 128 (the first > 'toastrack' edition with the Big > Metal Heatsink?) to the +3, 128 mode let you just > type and make your own > mistakes. > Yes, you could type the keywords, but no you couldn't make mistakes (atleast, not on my Spectrum 128 +2) as you were forced to correct any syntax errors before you could type in the next line of BASIC. Or atleast that's the case for 128K BASIC. I never used the 48K BASIC mode. >> snip << > > Heck, back to Spectrums, I remember that the +2 > had a built-in calculator > > application... (what were the other main menu > options? 128 BASIC, Spectrum > > BASIC, Calculator, but I'm sure there was at lea st > one other) > > Tape tester..... > Err. not on my Spectrum. From top to bottom it was: Loader (load in tape games - equivalent to typing Load "", IIRC) 128K BASIC Calculator 48K BASIC > -- > Adrian/Witchy > Binary Dinosaurs creator/curator > Www.binarydinosaurs.co.uk - the UK's biggest priva te > home computer > collection? > > For the record I still have my Spectrum in it's original box. I had the light gun games 6-pack version sold in the early 90's. The games were: Robot Attack Operation Wolf (published by Ocean) Missile Ground Zero Bullseye ? (some target range in the wild with 4 levels?) Toy Bizarre My mum, however, put it somewhere "safe" sometime last year. It has the SNES game Super Mario World (with all 96 levels accessed) in with it too which I wanted to play earlier this year to a) recharge the battery back-up and b) cause it's great fun to play. Needless to say we couldn't find it :( The Spectrum manual, thankfully, is on my shelf here in my bedroom. I read it through thoroughly (start to finish) atleast twice in the early 90's as I wanted to make great games. Just as back then, I still have lot's of imagination and idea's for games and software. Thanks to my Amiga and AMOS BASIC I have been able to realise some of them. I do have plenty more stuff to come :) Regards, Andrew B aliensrcooluk at yahoo.co.uk

19 years, 2 months

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test-drb November 2006