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PDP 11/40 Power Supply Issue!
Nooo! The console and power supply light flicked out while in use. WTD: Power Supply or Power Supply Module. The part number on the front is "H742a" and it's the big part of the power supply in the back. In front (looking from the side) are power modules. The modules and the console po... read more

by billdeg - 08/12/2008 22:02 - Total messages in this thread: 5 Last Post: DEC H742a Power Supply 10/12/2012
 
SAGE, UNIVAC Modules and Analog
Pictured is an exhibit containing plug-in modules from the mainframe era of computing, plus a module from the Donner 3500, manuals, and a Di... read more

by billdeg - 10/04/2012 15:09 - Total messages in this thread: 1
 
Intel MDS 720 Dual 8 inch disk drive
Intel MDS 720 Dual 8 inch disk drive 1979
The Intel-branded model MDS 720 dual 8 inch disk drive enclosure. Click image for larger view.
The ... read more

by billdeg - 07/30/2012 15:51 - Total messages in this thread: 2 Last Post: Shugart 800 Jumpers Intel MDS 720 09/30/2012
 
Epson Geneva PX-8
The Epson Geneva PX-8 was an early LCD laptop from Epson. It ran CP/M and used a Z-80 processor. The standard storage was a mini cassette, but an external 3.5" disk drive was available. I have done some preliminary testing of this system, the LCD is a little weak. Fortunately I have a repla... read more

by billdeg - 08/19/2007 22:17 - Total messages in this thread: 3 Last Post: Epson PF-10 Disk Drive 09/24/2012
 
Vintage Computer Festival MW 2012
Exhibitors setting up their booths in the ECCC room
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by billdeg - 09/24/2012 12:57 - Total messages in this thread: 1
 
Digital VT 102 Terminals
Digital VT 102
Digital VT-102 Terminal
Picked up 4 of these, I will make one working unit, sell/donate the rest. More Pics... read more

by billdeg - 07/30/2012 19:03 - Total messages in this thread: 5 Last Post: Repairing dead vt102 09/19/2012
 
Visual Technology Inc Model 1050
The Visual Technology Inc Model 1050
I have a perfectly working Visual Technology 1050 system with Winchester hard drive option. There is however one problem. I have three keyboards and they're a... read more

by billdeg - 03/31/2010 17:10 - Total messages in this thread: 14 Last Post: ImageDisk Image for Visual 1050 09/06/2012
 
A Sick IBM 5170 AT
The IBM AT Model 5170 front-left
Display when the system was working perfectly, all software running normally.
I r... read more

by billdeg - 11/15/2010 19:20 - Total messages in this thread: 3 Last Post: IBM AT 5170 update 08/26/2012
 
CorData Technologies, Inc. Cordata PPC
Here's a rare one...The 1985 CorData Technologies, Inc. cordata PPC computer. The logo on the machine looks similar to the Corona Data Systems' logo, but there's no reference to this model within the Corona catalog. Corona is kind of close to Cordata...Maybe they changed their name late in the gam... read more

by billdeg - 11/24/2007 17:26 - Total messages in this thread: 3 Last Post: Next steps 08/26/2012
 
Cybernetic Systems Inc. Mathiputer
The 1975 Cybernetic Systems, Inc Mathiputer. Click image for larger view.
This device is intended to instruct children on basic math skills. Not functional, needs to be ... read more

by billdeg - 08/10/2012 15:30 - Total messages in this thread: 2 Last Post: Matiputer Diagnostics 08/26/2012
 
TRS 80 Model 4P Repair
This is a program I use to test RAM on a TRS 80 Model 4 / 4P. It will id whether you have 64K or 128K and run through a test pattern on the screen to test video RAM as well. I forget the company who made... read more

by billdeg - 08/12/2012 22:40 - Total messages in this thread: 1
 
MITS Altair 8800 Power Supply
Pictured is a MITS accessory box. No I do not have original MITS power supplies for sale or otherwise.
ALTAIR 8800 original power supply specifications (at the end): ... read more

by billdeg - 08/03/2012 14:54 - Total messages in this thread: 1
 
Hewlett Packard 9835B
HP Hewlett Packard 9835B
The Hewlett Packard 9835B computer. Click image for larger view.
Untested. More to come. pics ... read more

by billdeg - 07/30/2012 20:19 - Total messages in this thread: 2 Last Post: Testing the HP 9835B 08/03/2012
 
Hope 9 - July 13-15 2012
Mimeo Apple 1
The MidAtlantic Retro Computing Hobbyists exhibited single board computers and trainers at the 2012 HOPE 9 convention in NYC July 13-15. Among ... read more

by billdeg - 07/16/2012 20:36 - Total messages in this thread: 2 Last Post: History of Portable Hacks Talk at HOPE 9 08/01/2012
 
PERQ System F Workstation Computer
Three Rivers Computer PERQ System F Workstation
The PERQ System F workstation computer is I believe the first commercial workstation, if you don't include the Xerox Alto.
Sh... read more

by billdeg - 07/30/2012 19:31 - Total messages in this thread: 1
 
 
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