Mark-8 Minicomputer Kit on E-bay

From: Dan Veeneman <dan_at_ekoan.com>
Date: Wed Mar 12 14:34:00 2003

At 10:44 AM 3/12/03 -0800, you wrote:
>Point taken but even if you were to build a Mark-1 you'd really only need
>the original issues of Radio-Electronics. You can get those for under
>$200 on eBay or free if you find someone willing to scan the pages. With
>the exception of the 8008, the rest is trivial.

I have the original Radio-Electronics issue (July 1974) with the Mark-8
article by Jonathan A. Titus. I'll be happy to sell it someone for $200.

The article itself is only five pages. Readers were asked to send $5
plus postage to R-E in New York to receive a 52-page package of
"complete construction details, more data on how it works, a group
of eight experiments you can perform with the computer and other
important information."

Jon Titus' article goes on to describe the six different modules
(Main CPU, Memory Address, Input Mux, Memory, Output and Readout)
and an interface to the TV Typewriter (from R-E, September 1973).
It also provides a parts list, power requirements (+5 VDC at 3 amps
and -9 VDC at 1.5 amps), and a software example.

It's all interesting reading and goes in to a fair amount of detail,
but construction would require the 52-page plans, not just the
R-E article.

As a point of reference, the parts list indicates that a complete set of
circuit boards were available from "Techniques, Inc." of Englewood,
New Jersey, for $47.50.

Regarding the 8008 microprocessor, the article has a footnote:

For more detailed data on the Microprocessor IC write to
Intel Corp., 3065 Bowers Ave., Santa Clara, Calif. 95051 - ask for a
copy of "8008, 8-Bit Parallel Central Processor Unit-Users Manual."
This manual was offered free at the time this article went to press.


Hope this helps.


Cheers,

Dan
www.decodesystems.com/wanted.html
Received on Wed Mar 12 2003 - 14:34:00 GMT