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February 15th, 2019, 12:14 PM

gekaufman replied to a thread Programming Tesla Bi-Polar proms in General Vintage Computer Discussions

B&K 867C arrived, and I successfully copied and programmed some Tesla 74S571's last night. It's a very nice programmer and the software is well...

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12 replies | 648 view(s)
February 4th, 2019, 06:50 AM

gekaufman replied to a thread PS2 Keyboard to XT Adaptor in PCs and Clones

Or even less.... http://www.vcfed.org/forum/showthread.php?15907-AT-to-XT-Keyboard-Converter&highlight=at2xt

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6 replies | 241 view(s)
February 2nd, 2019, 01:48 PM

gekaufman replied to a thread New Altair 8800 owner with questions in S-100

I have replacement parts for the 4 slot motherboards (and cpu board) available, see my website at http://www.the-planet.org - Gary

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10 replies | 854 view(s)
January 31st, 2019, 04:10 PM

gekaufman replied to a thread Programming Tesla Bi-Polar proms in General Vintage Computer Discussions

Figured it was time to "consolidate" my pile of various programmers, so bit the bullet and have arranged to purchase a B&K 867C, which is a rebranded...

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12 replies | 648 view(s)
January 29th, 2019, 04:21 AM

gekaufman replied to a thread 5150 IBM Floppy expansion card causes continuity between 5V and GND in PCs and Clones

P=V2/R, so 5*5/33 or 0.76 watts Actually I would expect the card probably draws more when operating.

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15 replies | 537 view(s)
January 24th, 2019, 03:04 PM

gekaufman replied to a thread New Altair 8800 owner with questions in S-100

SRAM card looks like the Digital Research Computers card, which is very reliable and easy to adapt. The disk controller looks like a CompuPro Disk1,...

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10 replies | 854 view(s)
January 23rd, 2019, 11:19 AM

gekaufman replied to a thread New Altair 8800 owner with questions in S-100

3D printer .STL files were posted to the AltairComputerClub group on Yahoo by Eric Dale a while back, and are very nicely done. They are mirrored...

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10 replies | 854 view(s)

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