test-drb

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101090 discussions

by SUPRDAVE＠aol.com

I have a C1P and i discovered someone else at work used to work with them extensively. He might have some parts. I think I might have some disk controller boards, but all my schematics and printed material is out on loan right now. david In a message dated 98-01-15 12:59:46 EST, you write: << I have several Ohio Scientific Challenger ][ machines but none of them are disk based. I'd be willing to trade some of them in exchange toward getting a disk based system up and running. I don't have the inventory off the top of my head but I can sure figure out what I have and see if we have any trading possibilities. George >>

28 years, 2 months

Science Odyssey on PBS

by dastar＠wco.com

Did anyone catch "A Science Odyssey" on PBS last night? It was great. They did a full 40 minutes or so on the dawn of the computer age. They went into some depth about SAGE and they even got the Altair in there with the obligatory issue of Popular Electronics. A very interesting episode. Sam Alternate e-mail: dastar(a)siconic.com ------------------------------------------------------------------------------- Computer Historian, Programmer, Musician, Philosopher, Athlete, Writer, Jackass Coming Soon...Vintage Computer Festival 2.0 See http://www.siconic.com/vcf for details!

28 years, 2 months

Amstrads in the US

by francois.auradon＠worldnet.att.net

Well let me tell you a good/disgusting one: I spent 4 full days going from junck store to junk store trying to find Classics. All 30 or so stores visited told me the same story: We do not keep them! We throw them out as soon as they come in! There is no market for that kind of stuff. I only found two classic in my search: the PPC512 through a coworker of my brother in law and an Exelvision EXL100 at an Apple dealer (the guy was stunned to have somebody come in and ask for classics, then remembered that he had one in the warehouse from 10 years ago and had kindof forgot about it). The only other on that I've seen was an atari 600XL at an outdoor junkyard it had about an inch of dust on top of it and when I picked it up some water poured out of it. So I guess that the price I paid is only because the guy was happy to even get money for it. Oh yeah I also met a collector over there he had a used computer sotre (PeeCee stuff) and he said they are hard to find but he knew a few places. He never told me where. If you are looking for french machine you'll have to go to the dumpsters or knock on doors in order to find anything. >Yes, but they aren't so _rare_ in France. Price and scarcity factors apply. >-- >Ward Griffiths >Dylan: How many years must some people exist, > before they're allowed to be free? >WDG3rd: If they "must" exist until they're "allowed", > they'll never be free. ----------------------------------------------------------------------- Francois Auradon. Visit the SANCTUARY at http://home.att.net/~francois.auradon

28 years, 2 months

WTB: Heathkit H8 computer

by David_Wilson＠StrategicFulfillment.com

Hello, I am looking for a Heathkit H8 computer. If anyone has one for sale, or knows of one, I would appreciate the information. Thanks, David Wilson David_Wilson(a)StrategicFulfillment.com - or - dmwilson(a)worldnet.att.net

28 years, 2 months

Firsts

by manney＠nwohio.nwohio.com

> I don't know if you'd consider it a computer, but the HP 41 was used on > a number of shuttle flights. A friend of mine from HP went to Houston to > teach the astronauts how to use the 41. I've heard that the HP 65 or 67 > was used on some space flights even earlier, but I have not confirmed that. EDUCalc used to advertise that the '41 went on shuttle flights. I always wondered if theirs was more reliable than mine, which was dreadfully prone to static crashes. Why don't laptops suffer from that -- more massive? Better circuitry?

28 years, 2 months

Demand for old computers by commercial organisations?

by kevan＠heydon.org

Has this happened to anyone else: Tonight someone is travelling half the country to pick up and borrow one of my old computers, so that they can port a legacy system they have to PCs. The computer in Question is a Sage IV, and it appears that their unit has failed and they found me via my web pages. Out of the deal I am getting the rest of the Sage's they have when the port is over and they no longer need them. -- Kevan Old Computer Collector: http://www.heydon.org/kevan/collection/

28 years, 2 months

Weird Epson HX-20

by rigdonj＠intellistar.net

I found two Epson HC-20s today that appear to have GP-IB interfaces. They have indicator lites for most of the GP-IB signals in the plug in module and the module says GP-IB but the connector on it is a female BD-25 connector. Does anyone know for sure what this is? Joe

28 years, 2 months

Recording data to a strand of wire? AND Upcoming PBS special on bit rot

by yakowenk＠cs.unc.edu

These two threads just bumped together in my head. Has anybody got an idea of how long data should last on wire? It can't have the same problem with oxide coating that tapes do - the main problem might be to keep any oxide coating from developing. :-) Are the early wire recordings still readable? Maybe CDROMs beat wire in resisting rust, even if they are still not quite perfect on that count. Still, something about the idea of using such an old storage medium appeals to me. Anyone want to try running some fine ferrous wire through an old cassette (or even reel-to-reel) recorder, and see if the result is readable? Given Allison's warning about head-wear, I wouldn't try it on my favorite stereo system. Just what we need, another incompatible storage medium. :-) Cheers, Bill.

28 years, 2 months

Original IMSAI Board and Documentation for sale

by phunkchyld＠usa.net

First of all, let me apologize to anyone receiving this email who considers it garbage. Have several items related to the IMSAI computer for sale: Vector Graphic, Inc. [Rev 3] PROM/RAM BOARD w/cable and connector/pins. MAY 1976 IMSAI Complete Product Catalog - "The Complete Microcomputer System". Original price $1 IMSAI Domestic Price List for November '77 Invoice dated '78 (from IMSAI). Comes in what I assume is the original box, but this cannot be verified. Card has never been used and accessory items are still in original packaging. If you are interested, please make an offer an all items. JPEG's can be sent upon request, and I will try to answer any questions. Thanks Andrew By the way, although I don't collect computers, I might trade for an interesting old Apple or Atari. ____________________________________________________________________ Get free e-mail and a permanent address at http://www.netaddress.com

28 years, 2 months

Upcoming PBS special on bit rot

by jfoust＠threedee.com

Tim Shoppa <shoppa(a)alph02.triumf.ca> wrote: >I've sold several S-100 based systems with 8" >floppy drives, paper tape readers, etc., to Microsoft employees who >are hoping to make backups of the first ten years of Microsoft >software in the archives there. I'd love to exchange e-mail with them, if you still have their addresses. On my web page is the source and Win32 executables to Claus Giloi's Altair / IMSAI emulators. I think these are fun because they're GUI re-creations: you even have to click on the power switch to turn them on. In my Copious Spare Time, it would be fun to add virtual peripherals and sound effects: a Lancaster TV typewriter, ASR-33, disk drives, etc. I'd also like to archive some sample programs that people could toggle in... anyone out there have some in electronic form? I don't have real IMSAI/Altair just yet, but I'm working on it. >And Paul Allen just bought a XKL (PDP-10 clone), in >part to recreate their original software development environment - I think! Actually, that's Allen's company. Wouldn't it be nice to have nearly unlimited resources in order to fund your daydreams? Or is it more fun to dumpster-dive to save nifty bits? I'm not sure. :-) - John Jefferson Computer Museum <http://www.threedee.com/jcm>

28 years, 2 months

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