17 Mar
2016
17 Mar
'16
2:15 p.m.
On Thursday (03/17/2016 at 10:04AM -0500), Kyle Owen wrote:
On Thu, Mar 17, 2016 at 1:43 AM, Eric Smith
<spacewar at gmail.com> wrote:
I too have an engineering sample i4040 from 1975 (7504 date code).
I found it in the attic of the place I worked while in high school
in 1979. I saved it along with a second non-ES device all these years.
Recently, I got the bug to see if either of these parts were still good
and so I bought one of these,
http://www.cpushack.com/mcs-4-test-boards-for-sale/
and sure enough, both 4040s are still good and run just fine on this
test board.
So count me in for collecting and sharing 4004/4040 code and simple
system designs. This test board is a pretty simple design but there's
still something fun about hand wiring a board, writing a little monitor
and bringing it up to talk to a teletype ;-)
Chris
--
Chris Elmquist N?JCF
Unfortunately I do not, but I've recently become interested in such
things, as I have received from a friend's estate an old board from an
embedded system (possibly a cash register) which has a 4040 CPU.
Photos here:
https://www.flickr.com/photos/22368471 at N04/sets/72157665878868081/
Wow, an engineering sample 4040. Very nice. Highly sought after by those
CPU collectors out there. You should be abel to build a nice system from
that. No telling what those hybrid packs did. Can't say I've come across
many 4004/4040 designs with such devices.