test-drb

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101090 discussions

by ba600＠ncf.ca

On December 18, 2009, Normand Fisher wrote: > Hi Mike, > > I have an old 861C (and a 874A) which are very noisy and trigger off > after a short period under load. Would you, by chance, have a copy of > the schematics? > > Or matter of fact any knowledge as to the cause of noise(old capacitors? > ...). Your best bet wouls be to post to Classiccmp Classiccmp mailing list at cctalk at classiccmp.org. Most of my DEC manuals are in Storage tub in the garage. -- Collector of vintage computers http://www.ncf.ca/~ba600 Machines to trade http://www.ncf.ca/~ba600/trade.html

16 years, 4 months

HP91xx controllers (was HP-IB disc drive emulation programavailable)

by shoppa＠trailing-edge.com

Chuck writes: > On 18 Dec 2009 at 23:47, Alexandre Souza - Listas wrote: >> I still think that nothing beats SD. It **will** be the standard >> in two or three years. >I'd really like to know that the things will be available in 10 years >in capacities that will still work what's designed today. Can one, >for example, still get 16MB CF cards? >If all that the unit can handle is FAT32, what does one do when the >only cards available use exFAT? Rather than try to decide on the "one right way" to do things going into the future, don't all of us in fact end up diversifying into what's available now and then shifting up to new interfaces over time as they become proven? I mean, ten years ago I was enamored of MO disks as the "one right way" of storage. It's not that the conclusion was really wrong, but that's not the way the majority of the market moved. (I note that medical imaging still is a big user of MO disks.) Twenty five years ago I might've decided that DEC RC25 carts were the way to go. Hah! How wrong would that decision would've proved to be! What's most astonishing: what used to fit on 10,000 9-track tapes, literally filling an entire moving truck, now comfortably fits on a 1 terabyte portable hard drive that is just a little bigger than pocket sized. That's mind-blowing. Tim.

16 years, 4 months

pdp 8a prom images ??? where ???

by g-wright＠att.net

I just did a search for pdp 8A prom images and could not find any. I'm sure I just looked in all of the wrong places Any help, Looking for 158a2 and 159a2 - Jerry

16 years, 4 months

Fwd: Old Computer to recycle

by jfoust＠threedee.com

Contact the person below ... >To: jfoust at threedee.com >From: Edwina Williams <Wmsedw at aol.com> >Subject: Old Computer to recycle >Date: Mon, 14 Dec 2009 11:43:20 -0500 > >Dear Jeff, > >I have a Maxum 286 turbo computer, which was purchased at 47th Street >Photo in New York in the 1980's. I believe that Maxum was a 47th >Street Photo brand. It comes with a Maxum Enhanced keyboard and Amdek >Video 310A monitor, which has the amber letters. Word Perfect for IBM >is installed and some other programs. There is also an Epson LG 500 >printer, which takes the paper with holes and also single sheets. > >I probably have some of the literature too. > >Although the computer was originally a 286, it stopped working at >some point. I was in graduate school at the time, and spent $900 to >get all my data back and installed on a new 386 drive. So it is now a >386. > >The computer goes right on, powers up, and works perfectly. It also >works perfectly with the printer. This old computer was easier to >write on, and I think I did better writing on it, than the Macbook >Pro that I use now. > >I hate throwing things out that still work, but these have to go. Are >you interested, or do you know anyone who may be? > >Sincerely, > >Edwina Williams

16 years, 4 months

Anyone want a Kontron?

by zudmsc＠earthlink.net

Do you still have it? Michael

16 years, 4 months

Old DEC Power Supplies (861C and 874A)

by icipasla＠gmail.com

I have both an old 861C and a 874A which are very noisy and trigger off after a short period under load. Would someone, by chance, have a copy of the schematics? Or matter of fact any knowledge as to the cause this behavior (old capacitors? etc...). Many thanks Normand

16 years, 4 months

Ten Year Rule

by segin2005＠gmail.com

I was thinking recently, and I know that the general threshold for discussion on this list is ten years, but is that enough? As it stands, given the rule of a minimum of ten years, most early Pentium III PeeCees are listworthy for discussion. I have a Dell OptiPlex GX110 that could be discussed here; the machine is twelve years old, and if I am not mistaken, twelve is greater than ten. (For those of you that live in alternate realities in which twelve is *not* greater than ten, please disregard this whole email.) I also have an Apple iMac G3 Rev. B that could be listworthy, as it is eleven years old. In just two more years time, the world's most popular computer operating system (as of the time of this email's writing) would be perfectly valid to discuss, even as "on-topic". 2001 to 2011 is ten years, isn't it? I know that it's not a strict and absolute rule, being more just a guideline than anything, but still, is ten years enough? Personally, I'd give it fifteen, possibly twenty years for some piece of computing history to be considered listworthy.

16 years, 4 months

ISO: Manual or information on 3M DCD3-30 tape unit

by cclist＠sydex.com

Anyone have any information for this early QIC drive? Model DCD3- 30/90. The controller board is pretty simple--just some 7400 series TTL, made by Solid State Systems. The most complex IC is an AM27S21 1Kbit bipolar PROM. There's a 220/330 terminator pack near the 50 position header, if that's any help. Is this a QIC-36 interface drive (50 pin header on the controller board)? Thanks, Chuck

16 years, 4 months

Dead Commodore 16

by thrashbarg＠kaput.homeunix.org

Hi, I got myself a Commodore 16. It worked on Wednesday nicely, then I tried it again on Friday and it didn't work. It still gives out sync pulses and colour burst for the video, but there is only a black screen. Is this the normal fault for a failed TED? Or could it be that the CPU or one of the ROMs are dead. I'm asking so I don't waste time on something that can't be fixed (easily). Cheers, Alexis.

16 years, 4 months

Wanted : HP 82324 language co-processor board

by hp-fix＠xs4all.nl

I donated the picture , I use my own for measurements and want to keep it in my HP-collection. Like I said, I've a customer who needs one to get his 3D-measure machine online again . -Rik -----Original Message----- From: "James Gessling" <jgessling at yahoo.com> To: cctalk at classiccmp.org Sent: 12/18/2009 0:15 Subject: Re: Wanted : HP 82324 language co-processor board Maybe you could contact the guy who donated one to the hp museum and get it back. On wait, that's you. What happened there? (if I may ask) http://www.hpmuseum.net/display_item.php?hw=909 Regards, Jim

16 years, 4 months

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