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Action Computer Enterprise, Inc.

Little is known about the Discovery 500 Multiprocessor S-100 Computer by Action Computer Enterprise, Inc. I found ads for a similar system sold by the same company that appear in Byte magazines in 1981-1982, but no ads for the Discovery 500.
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by billdeg - 03/20/2009 21:47 - Total messages in this thread: 4 Last Post: Former Action Computer User Comment 12/18/2014
 
A Better Way to Replace Keyboard Pads?

REPOST FROM CLASSICCMP: Message: 8 Date: Wed, 17 Dec 2014 22:30:42 -0500 (EST) From: Steven Hirsch To: Classic Computers Mailing List Subject: Keytronics foam pads revisited Message-ID: Content-Type: TEXT/PLAIN; format=flowed; charset=US-ASCII I've fixed a couple of keyboards using ho... read more

by billdeg - 12/18/2014 09:52 - Total messages in this thread: 1
 
Altair 8800B Restoration

The subject of this thread is to document the restoration of a previously-working Altair 8800B, which I accidentally shorted by inserting a RAM card with the power on (oops). After probing voltages and looking for A/C ripple, the general consensus of the MARCH workshop team was to open up the front... read more

by billdeg - 05/19/2013 19:59 - Total messages in this thread: 4 Last Post: Diagnosting Problems with D/C Board 12/16/2014
 
1964 Honeywell Sales Presentation

Honeywell 201 Central Processor Info Sheet
Honeywell 201 Central Processor Info Sheet from sales presentation. For larger image see Section 3b from the link below.
May 1st, 1964 the Honeyw... read more

by billdeg - 12/14/2014 16:48 - Total messages in this thread: 1
 
Replace External Filter Digital RK05

Original filter removed from the rear card cage opening of the Digital RK05 drive.
After a few aborted attempts Dave G helped me take apart the PDP 8e system so it could be de-racked and moved into the basement. ... read more

by billdeg - 12/12/2014 17:13 - Total messages in this thread: 1
 
1968 Hitachi HIDIC 100 Mini Computer

Hitachi HIDIC100 mini computer brochure cover
The cover of the Hitachi HIDIC 100 Mini Computer brochure. Click image for more photos and a pdf of selected photo... read more

by billdeg - 12/08/2014 22:57 - Total messages in this thread: 1
 
Bendix G-15 Coding Manual

Color cover of the Bendix G-15 Coding Manual
Color scan cover of the 1959 Bendix G-15 Coding Manual. Click image for larger view.
PDF of manual on Bitsavers: http://bi... read more

by billdeg - 12/07/2014 09:50 - Total messages in this thread: 1
 
Digital DECpc XL 566

Digital DECpc XL 566
The (almost) first Pentium PC made by Digital Equipment Corp, the DECpc XL 566. This one works quite well, and I p... read more

by billdeg - 11/24/2014 20:20 - Total messages in this thread: 1
 
CBM BX700 Pictures

Commodore BX700
CBM BX700 with chassis propped open. Click image for larger view.
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by billdeg - 11/18/2014 17:36 - Total messages in this thread: 1
 
Mainframe / MiniComputer User Manuals

Mainframe and Minicomputer paper documents
Here is a snapshot photo of my basement floor sorting project, everything is being cataloged and sorted by manufacturer a... read more

by billdeg - 11/18/2014 17:17 - Total messages in this thread: 1
 
Computer History and Restoration Links

The thread date will be updated to indicate the last update. Suggest a site here. Mid-Atlantic Retro Computing Hobbyists http://www.midatlanticretro.org Every Computer That Ever Was (list) http://www.crowl.org/lawrence/history/computer_list Bryan's Old Compute... read more

by billdeg - 11/16/2014 16:49 - Total messages in this thread: 1
 
UNIVAC 1219

Here is a link to the "Univac 1219 Military Computer General Description" brochre: Hi-res Images... read more

by billdeg - 03/18/2007 22:15 - Total messages in this thread: 5 Last Post: UNIVAC 1219 / 418 Models 11/13/2014
 
TRW Mobile Computer Centers RW-300 / 340

The TRW RW-300 Digital Control Computer, 1960
Pictured is the The 1960 RW-300 Digital Control Computer which is the heart of the RW-300 Portable Process Analysis Unit. ... read more

by billdeg - 11/11/2014 13:28 - Total messages in this thread: 1
 
SuperPET ComboBoard Revisions

I have a SuperPET ComboBoard with a bad 970018-12 (slot U47)...I assume there is no source for the original ROMS...From what I found on the web, this is just a 2764. I will try to make a copy of the one good ROM. I found this site http://mhv.bplaced.net/cbmroms/cbmroms.php SuperPET Waterloo $A... read more

by billdeg - 11/05/2014 22:17 - Total messages in this thread: 2 Last Post: SuperPet U47 - not a 2764 11/09/2014
 
IC and chip inventory

Thread date is last update date. This list is about 50% of actual loose chips on hand. ID 2nd ID Comment/Quantity 2114-550 120 2708 1 2716 TMM3233D EPROM 1 6509 6581 6820 7403 8146 8331 1534 9616 1 1702 AM1702ADC 1702 PROM 21... read more

by billdeg - 11/08/2014 18:48 - Total messages in this thread: 1
 
 
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Image Title: KYOTRONIC NEC TANDY
This image was selected at random from the archive. Click image for more photos and files from this set.




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