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Intellec MON 80 Monitor HEX Dump

Intel 1702A with MON 80 ROMs
Intel Intellec/8 MON 80 on 8 1702A ePROMs starting from address 3800H. Each 1702A has a sticker that reads MON 80 38... read more

by billdeg - 01/26/2015 13:04 - Total messages in this thread: 2 Last Post: Inverted HEX uploaded 01/28/2015
 
Digital PDP-9 The Serious Computer

Digital PDP-9 Computer PDP/9
Cover of the November 1967 Digital PDP-9 Sales Brochure. Sigh. Click image for larger view.
... read more

by billdeg - 01/25/2015 11:46 - Total messages in this thread: 1
 
Digital PDP11 late 1969 early 1970

The Cover of the Jan/Feb 1970 Digital PDP11 sales brochure.
There is a popular misconception that the PDP11/20 was the first PDP 11 and that the 11/10 was introduced later, with the 11/05 and 11/40. In... read more

by billdeg - 01/25/2015 11:33 - 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: 5 Last Post: Replace caps near V2 01/23/2015
 
Teletype Model 15

Caption contest Avert your eyes before it's too late! "Ms. Amateur Radio 73 November 1976"
Click thumbnail to download larger ... read more

by billdeg - 12/09/2008 16:08 - Total messages in this thread: 3 Last Post: Threads with Comments about Photo 01/11/2015
 
Remodeling Project

Vintage Computer Desks
Can you name all of the items in this photo? Click image for larger view.
I have been working to remodel ... read more

by billdeg - 01/04/2015 19:00 - Total messages in this thread: 1
 
Raspberry Pi as Gateway to Internet

Raspberry Pi as Internet Gateway for Vintage Computers
The Raspberry Pi can be used to connect vintage computers to the intern... read more

by billdeg - 01/03/2015 13:48 - 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 - 12/26/2014 13:05 - Total messages in this thread: 1
 
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.
read more

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
 
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
 
 
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