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IBM CP/M-86 1.0
IBM CP/M-86 v. 1.0 boot screen. Click image for larger view.
A working IBM-branded CP/M-86 version 1.0 OS disk has found it's way to me finally. T... read more

by billdeg - 03/06/2010 08:03 - Total messages in this thread: 1
 
Items Wanted
This list is maintained regularly. Thread date is last update. Contact me Here. Disk Drive belt, Amstrad PCW 8256 October 1979 Kilobaud/Microcomputing Processor Technologies General Purpose Module card (GPM). I need a spare, mine is flaky and I am tired of messi... read more

by billdeg - 03/04/2010 23:43 - Total messages in this thread: 1
 
Zenith minisPORT laptop
The Zenith minisPORT laptop computer c. 1990. This is the 2MB ZL-2 model. The ZL-1 came with 1MB. Click thumbnail for larger image.
The Zenith m... read more

by billdeg - 03/03/2010 13:46 - Total messages in this thread: 1
 
MITS 88-2 SIO
Configuring the MITS 88-2 SIO card
Click image for detailed pictures of jumpers.
As soon as I get the chance I will post my notes,... read more

by billdeg - 02/13/2010 14:20 - Total messages in this thread: 2 Last Post: MITS 88-2 SIO Update 03/03/2010
 
Atari 520ST
The 1985 Atari 520ST Computer
This is a 16-bit Atari computer system with a 68000 processor. The 520ST was marketed to compete with the early Amiga computers and has similar capabilities and interface. The 520ST u... read more

by billdeg - 12/24/2009 10:11 - Total messages in this thread: 3 Last Post: SC1224 monitor 02/26/2010
 
New 4Mg Static RAM S-100 board
In our continuing efforts to build new S-100 boards, Andre and I have just completed a 4Mg Static RAM S-100 board. While this board will work with current 8 bit systems it is really for 16 bit systems (8086, 80286 and 80386 etc.) we currently have in the works. This is just a prototype. Will giv... read more

by monahan_z - 02/23/2010 08:06 - Total messages in this thread: 1
 
Plus/4 var. '84 Canadian Olympic Team.
Answer to Trivia Question: What was official Computer of the 1984 Canadian Winter Olympic Team?
Answer: The Commodore Plus 4
Commodore sold some Plus/4's with a variation of the l... read more

by billdeg - 02/18/2010 22:46 - Total messages in this thread: 1
 
Lobo Apple II Disk Drive Clone
Very early Lobo Apple II 5 1/4" drive clone, with "Santa Barbara" logo. Click image for more pictures
... read more

by billdeg - 02/16/2010 20:09 - Total messages in this thread: 1
 
PDP 8e
Started work on a PDP 8e full-height rack with DecPak RK05, Decprinter-I, and VT-52 terminal.
Digital PDP/8e Computer
Pictures. Status: System itself appears to work, in that I... read more

by billdeg - 01/31/2010 18:15 - Total messages in this thread: 5 Last Post: Diagnosing M7104, M7105, M7106 02/15/2010
 
S-100 EPROM Cards
This thread will contain a review of selected EPROM cards for S-100 systems. DAJEN SCI Mountain PROROM Solid State Music PB1 ... read more

by billdeg - 02/13/2010 14:28 - Total messages in this thread: 1
 
Replacing toggle switch on Altair 8800a
The good news is that for about an hour or so I had a 100% functional Altair 8800a..
MITS Altair 8800a closeup of broken A0 toggle switch. It's stuck in the 1 / on position
.. but Dan and I bro... read more

by billdeg - 02/13/2010 14:11 - Total messages in this thread: 1
 
Building a CP/M for Lobo MAX 80
I wanted to see if I could do more than boot my MAX 80 using LDOS 5.1.3.
A Lobo Max 80 with a Lobo twin 8" drive, TRS 80 5Meg ... read more

by billdeg - 02/13/2010 13:36 - Total messages in this thread: 1
 
An S-100 Board for an IBM PC keyboard
An S-100 Board to convert IBM PC keyboard data to parallel ASCII Many S-100 users have/had some kind of ASCII style parallel port keyboard attached to their system. The interface was just a simple 8 bit parallel input port with a second port single strobe bit. Most of these keyboards came from ... read more

by monahan_z - 01/03/2010 02:49 - Total messages in this thread: 2 Last Post: S-100 PC Kbd to ASCII Converter Complete 02/13/2010
 
TRS 80 Model II - restoration project
I had not used my model II for three years, and with this thread in mind I set up the old beast for a routine test. I try not to let any working system go too long before I re-run for a few hours to refresh the electronics. Anyway...I must have waited too long, she does not boot any more. The sys... read more

by billdeg - 10/05/2008 09:09 - Total messages in this thread: 7 Last Post: TRS 80 Model II Disk System 02/13/2010
 
Computer History and Restoration Links
This thread will remain under construction for a while, as I go through various notes to transfer into this central location. The thread date will be updated to indicate the last update. If your site is not listed, just ask! I have 1MB of links to add. Reciprocal link... read more

by billdeg - 02/06/2010 17:46 - Total messages in this thread: 1
 
 
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