test-drb February 1999

test-drb@ccmp.vtda.org

178 participants
709 discussions

by foxvideo＠wincom.net

I realize this is way OT, but hope someone can give me some advice. I am trying to install an ATX MB in an ATX case. All jumpers have been set by the book. There is a switch on the power supply, and another on the front of the case. This latter is a momentary contact type. With the MB outside the case on a wooden surface and nothing connected except the power supply plug and the front push button, all that I get is a twitch from the cpu cooling fan, on only the first push, after that nothing until it sets for a while. Since this is the first time I have tangled with an ATX I have no spare parts to substitute, so any help on how this power supply is supposed to operate would be much appreciated. Regards Charlie Fox Charles E. Fox Chas E. Fox Video Productions 793 Argyle Rd. Windsor N8Y 3J8 Ont. Canada email foxvideo(a)wincom.net Homepage http://www.wincom.net/foxvideo

25 years, 11 months

new toy!

by allisonp＠world.std.com

<Gee, you are discouraging me, Allison! Out here, ST-351A/Xs have been <common as armpits. Everyone seems to have a couple! Seemed like a <neat/cheap idea. Guess not, though, as you point out below. Arond here they are scarce, I have one but it's model that has been reputed to be unreliable at best. 8bit IDE is an easy interface though. But the interface is less than half the work no matter what. <But again, if you have the TurboRom - and it is readily available - you <have all that. Turborom doesn't know about IDE or hard disk. <Of course, it's still CP/M. We haven't changed that. I have an ST-125N <on my Ampro and it makes a LOT of partitions. Many more than I use, in <fact, but I think I paid $5 for it, so who cares. Or you can use P2dos/novados/suprbdos replacements and run a half gig. I've been the route. I have three s100 crates with hard disk, an Ampro, SB180 and two other in the works so I've been there. FYI my kaypro does have a 2mb ramdisk... much faster than hard drive. Just a same that the kaypro is so slow compared to my other 4mhz systems. Allison

25 years, 11 months

TI99: WP and PC

by geoffrob＠stmarks.pp.catholic.edu.au

-----Original Message----- From: Hans Franke <Hans.Franke(a)mch20.sbs.de> To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> Date: Wednesday, 3 February 1999 4:54 Subject: Re: TI99: WP and PC >> I've got some bits of a Nixdorf something or other. Basically it's the >> backplane, minus the rack and mountings, plus the power supply, some drives, >> and cables and a couple of boxes full of modules. >> Chip dates are around 74. Anyone know anything about Nixdorfs of this era? > >Can you support any part numbers or model numbers ? >I have access to some Nixdorf information bases that >may give a hint. I think the modules have id numbers on them. Will compile and post to the list. Thanks! Cheers Geoff Roberts Computer Systems Manager Saint Marks College Port Pirie South Australia. My ICQ# is 1970476 Ph. 61-411-623-978 (Mobile) 61-8-8633-0619 (Home) 61-8-8633-8834 (Work-Direct) 61-8-8633-0104 (Fax)

25 years, 11 months

8-bit IDE (was Re: new toy!)

by allisonp＠world.std.com

<Is there any specific information out there about W.D.'s implementation <of XT-IDE? It is documented some in the QUE book Upgrading and repairing PCs 3rd edition I have. Allison

25 years, 11 months

Indiana Jones and the...

by allisonp＠world.std.com

<The original design for the Altair as presented in those fateful issues of <"Popular Electronics" had no bus or backplane, but was just four circuit <boards wired together with ribbon cable. (as shown in a picture in part on <of the article) < <It would seem, that true seekers of the 'Holy Grail' would be trying to <determine if any machines in that original configuration were ever actuall <shipped! And then the task would be to find one of those! There were only a few and they were the prototypes. <Now, THAT would be on a par with the Apple I ! Eh? No that would exceed the Apple I as they are like flies (it was a production machine) compared to prototypes. Allison

25 years, 11 months

tube CD player (was Re: sizes (was Re: vacuum tube computer))

by jeff.kaneko＠juno.com

On Tue, 2 Feb 1999 18:44:35 +0000 (GMT) ard(a)p850ug1.demon.co.uk (Tony Duell) writes: >> >> Tony Duell wrote: >> > A photomultiplier isn't that bad to use. OK, it needs a kilovolt >or so of >> > EHT. But apart from that it's a fairly easy device to connect up >and get >> > a useable signal from. There should be a lot of them still about, >and >> > small ones aren't that expensive second-hand. >> >> The tricky part is how to mate this with the mechanical assembly. >Even >> the laserdisc players that used a HeNe laser still used a >semiconductor >> photodetector that was directly mounted on the sled. > >I assume the HeNe tube didn't move with the sled, right (far to much >mass, the servo would never lock). Couldn't you do something similar >with >the photomultiplier - mount it on the chassis and somehow direct the >light beam onto it? Actually, I saw a prototype laserdisk player in a museum somewhere (I think it was in the LA Museum of Science , but it was a long time ago) that had the following arrangement: The HeNe laser tube was bolted down, along with some optics, and a spinning platter/servo motor mounted on a carriage. The *PLATTER* moved during seeks! It was really quite bizarre to watch. They used a *BIG* servo motor to move the carriage, if memory serves. Jeff ___________________________________________________________________ You don't need to buy Internet access to use free Internet e-mail. Get completely free e-mail from Juno at http://www.juno.com/getjuno.html or call Juno at (800) 654-JUNO [654-5866]

25 years, 11 months

Gorilla manual

by rigdonj＠intellistar.net

A couple of weeks ago someone was asking about a Gorilla Banana printer. Today I found the onwer's manual for my old Gorilla monochrome monitor. Does anyone need it? Joe

25 years, 11 months

PDP paper tape - PC04/PC05 (offer to trade)!

by jlwest＠tseinc.com

Don't know if anyone can help on this, but wanted to post this query to the kind folks here... I have a PDP-8E system, but it appears that the previous owner got many of the parts from different sources. The system has a paper tape reader/punch, but it's for a PDP-11 (PC05) not for a PDP-8 (PC04). I have some information that shows how to convert a PC05 into a PC04 so I can use it with the 8E, but I would prefer to not have to do the conversion unless absolutely necessary (I don't like to mess with historical accuracy if at all possible). So - does anyone have a working PC04 paper tape reader/punch that they would want to trade for a working PC05 paper tape reader/punch? Thanks mucho! Jay West

25 years, 11 months

Indiana Jones and the...

by rigdonj＠intellistar.net

At 11:31 PM 2/1/99 -0800, Sam wrote: >On Tue, 2 Feb 1999, Doug wrote: > > >You dumb-ass! Geez, Sam, it's too early for April fool's day! Joe

25 years, 11 months

Honeywell DPS 6 Hard drives

by enigma＠intop.net

I have a Honeywell DPS 6, nice computer, really, but I've got a problem. There is one of these weird fixed disk/removable cartridge drives (yes that is a fixed disk and removable cartridge in one) that has a broken belt that runs between the drive spindle and the motor. It is this weird small v-belt. There is also this large hard drive in another cabinet that connects to the thing using DB37 connectors, IIRC. I'm not sure of how to connect it to the computer, nor do I have the cables. I do know the box runs GCOS6, which from what I hear is a cross between GCOS and Unix. Hooray for me, if I can get it working. Although it is supposedly not y2k compliant, but I think that is just a ploy so Bull can get you to spend money on an upgrade. :-) Any hints or tips or free belts for that thing, or places to get belts for that thing, would be appreciated. Any help on running GCOS6 would be nice, as in how do I get the super user account on it? How do I add users, etc. On a different note, I may start a list for buying and selling old computer stuff, everything but PCs, pretty soon, if interest is good enough. Please email me personally at "enigma(a)intop.net" if you would like to see something like that. Regards, J.S. Havard

25 years, 11 months

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test-drb February 1999