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101090 discussions

Quarter classics (was: Big Iron Was:RE: Backwater areas Was: Re: Cross listing Ebay items)

by sinasohn＠ricochet.net

At 07:56 PM 6/18/98 -0700, you wrote: >I've got a Joust I might let go for something tasty. It's the same >system board, you only need to swap the ROMs and re-work the control >panel ;) ROM's might be possible, but a Robotron game gets a lot of heavy-duty usage; I don't think I could trust any mods I would make to the controls. 8^( --------------------------------------------------------------------- O- Uncle Roger "There is pleasure pure in being mad roger(a)sinasohn.com that none but madmen know." Roger Louis Sinasohn & Associates San Francisco, California http://www.sinasohn.com/

28 years, 2 months

What is the first computer?

by Philip.Belben＠powertech.co.uk

>>Yes, but Pascal was born in 1623 so Schickard's device most likely beats >>whatever Pascal developed in his lifetime (I think he was 18 when he >>invented it). > > Late-comers, all of them. My vote for the earliest computer is the > Antikythera Device, a bronze mechanical lunar month calculator built in > Greece about 80AD. > > Shickard's "Calculating Clock" was the next mechanical calculator of record > in 1623, followed by Blaise Pascal's "Pascaline" in 1642, Samuel Morland's > mechanical calculator in 1666, Gottfried Leibnez' "Stepped Reckoner" in > 1674, Phillip-Malthus Hahn's calculating machines (the first sold > commercially) in 1774, and the third Earl of Stanhope's multiplying > calculator in 1777. The first mass-produced calculating machine was Thomas > de Colmar's "Arithmometer" in 1820. Good point. Many early clocks were (or contained) primitive analogue computers, so I think you win there... sort of. Two books to look at: "The Mediaeval Machine" by J. Gimpel and "A History of Engineering in Classical and Mediaeval Times" by D. R. Hill. Gimpel will fill several holes in your timeline - Su Sung made quite a complicated astronomical clock in c. 1090; the middle ages saw a sizeable crop of similar machines in the west, culminating in that of Giovanni Dondi, under development from 1348 until 1364. Hill's treatment of clocks is also interesting. He points out that the Classical civilisations had (presumably inherited from the ancients) a system by which the hour changed in length depending on the date so that sunrise to sunset was always twelve hours. Thus ordinary timekeeping clocks had to combine time and date in an analogue computer to get hour-number out at the end. Some of the mechanisms Hill describes get this quite wrong! (I don't recall any of these clocks also taking account of lattitude...) OK. I'll go for the Z1 as the first _general purpose_ computer. Philip.

28 years, 2 months

Atari SLMC804 Laser - What Is It?

by dastar＠ncal.verio.com

Ok Atari-heads, what the hell is an SLMC804 Laser? It looks like some sort of SCSI adapter. Its an external device the size of an external modem. Sam Alternate e-mail: dastar(a)siconic.com ------------------------------------------------------------------------------- Ever onward. September 26 & 27...Vintage Computer Festival 2 See http://www.siconic.com/vcf for details! [Last web page update: 06/11/98]

28 years, 2 months

attn: John Keyes

by jeff.kaneko＠ifrsys.com

I'm sorry for cluttering up the list, but our email system strips off the senders address! John, if you get this message, Please respond via private E-Mail. Thanks! - Jeff We now return you to our regualrly scheduled programme . . .

28 years, 2 months

Help! RA82, etc.

by emu＠ecubics.com

Hi Bruce, I had most of your problems on a ra90 ... ---------- > From: Bruce Lane <kyrrin(a)jps.net> > To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> > Subject: Help! RA82, etc. > Date: Sunday, June 21, 1998 9:40 PM > OK... I've got a MicroVAX II almost ready to go. However, I'm handicapped > by my lack of any documentation for the RA82 disk drive. sure you are ;-)) > The problem: When spun up, even when connected to the KDA50 controller, > the drive gets up to speed, seeks a couple of times, and then lights 'Fault.' > > My question: Do I even have the thing wired right? Could someone familiar > with this stuff describe to me which cable goes where, just to make sure > I'm not hallucinating? at least, if you are really sure, you made the right connections, test & check it again. the sdi cables are very picky, if you "made" a connection, be sure to fasten the screws also. sometimes it doesn't work without fasten it. > The controller seems OK. It passes its internal and service diagnostics, > and when I stare at the LEDs on the two boards long enough I can see some > sort of fast scanning sequence going on about every 5-7 seconds. one more shot in the dark ;-)) the ra81 & ra82 have in diagnostic port on the disks. you can get more information about the disks, if you put a terminal at it. But don't ask, i never done it, (i got my disks to run without it) try DejaNews. hope it helps a little, emanuel

28 years, 2 months

Atari SLMC804 Laser - What Is It?

by franke＠sbs.de

> Ok Atari-heads, what the hell is an SLMC804 Laser? It looks like some > sort of SCSI adapter. Its an external device the size of an external > modem. One of the 'Power without the Price' products from ATARI. basicly a 300 dpi Laser unit with only minimal control logic (only a bit map buffer for one (?) line of graphic. Connection to the ST computers where made via the ACSI port - ATARIs castarated version of SCSI used for the ST Harddisk. The whole font and page processing had to be done by the host computer - but the Printer was availabel for less than 2000 Mark (~1300 USD) when new - only haf the price of the cheapest 'regular' laser printer. Servus Hans PS.: 20c for THE hair (but only if a nice poly acryl display case is included). -- Ich denke, also bin ich, also gut HRK

28 years, 2 months

WTB/T: Conner hard drives

by JRichardson＠softwright.co.uk

>> Conner CP-3044 3.5" 40mb (42mb actual?) IDE hard drive rats, I had a whole heap of these a while ago but disposed of them all - they seem extremely unreliable and kept on dying on me, so I dumped the lot... I don't know if it's true of all IDE drives, but you may be able to use a different drive; you just won't get more than the 40MB out of it... cheers J.

28 years, 2 months

principals in online selling? (was: IMSAI 8080)

by desieh＠southcom.com.au

email: desieh(a)southcom.com.au desieh(a)bigfoot.com museum_curator(a)hotmail.com Apple Lisa Web Page: http://www.southcom.com.au/~desieh/index.htm -----Original Message----- From: Max Eskin <maxeskin(a)hotmail.com> To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> Date: Monday, June 22, 1998 4:20 Subject: Re: principals in online selling? (was: IMSAI 8080) they where used in school in the states, the where called I think "bell & Howards" they also came with the lid screwed down..........to stop the little ones touching the "shiny" bits inside.......... > > > > >Well, I've never seen one. Then again, I've never seen your ass. >Why were they black? Was it a special edition? Were the beige ones >or the black ones first? >> >>> its just getting worse by the minute check this out from the Obsolete >>> Computer helpline: >>> >>> >>> Matt Antonellis <206-343-7576 P.S.T.> >>> seattle, wa usa - Friday, June 19, 1998 at 18:43:02 >>> >>> FOR SALE: $500 rare BLACK AppleIIplus very good condition call MATT >>> ANTONELLIS in SEATTLE 206-343-7576 >> >>Rare my hairy ass. This is about as rare as the hair on my ass. >> >>Sam Alternate e-mail: >dastar(a)wco.com >>-------------------------------------------------------------------------- ----- >> >> September 26 & 27...Vintage Computer Festival 2! >> See http://www.siconic.com/vcf for details >> [Last web page update: 06/18/98] >> >> > >______________________________________________________ >Get Your Private, Free Email at http://www.hotmail.com >

28 years, 2 months

principals in online selling? (was: IMSAI 8080)

by sinasohn＠ricochet.net

At 10:13 AM 6/20/98 -0700, you wrote: >>After a round of email bidding, the seller sez: >>Somebody recently suggested that it would be better to offer stuff >>directly to readers of this list rather than advertising them via online I seem to remember that eBay offers private auctions -- you put something up for bid and just tell the people you want about it. That sort of thing might facilitate auctioning things off to list members. --------------------------------------------------------------------- O- Uncle Roger "There is pleasure pure in being mad roger(a)sinasohn.com that none but madmen know." Roger Louis Sinasohn & Associates San Francisco, California http://www.sinasohn.com/

28 years, 2 months

Sorry

by jpl15＠netcom.com

Sorry for the personal message... I told Pine *not* to reply to the Group, but... BAD Pine! BAD! BAD! Sorry again.... I will wear a Luser hat and sit in the corner for an hour trying to find a missing comma in the middle of a 6 Mb hex core-dump. Cheers John

28 years, 2 months

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