AIM65 with unknown second board - test-drb@ccmp.vtda.org

11 Jan 2005

Jules,
Most often expansion boards that came from Rockwell are 6 1/4" x 
4" and fit into the Rockwell AIM expansion chassis.   I bet this 
is a custom (?) XEROX prom monitor card adapted for the AIM 65.  
The card would not fit in the Rockwell expansion chassis.

I have a lot of Rockwell hardware and documentation.  If you send 
me the part # of the board I can look it up to confirm.

Bill

...
 Message: 22
Date: Mon, 10 Jan 2005 13:16:45 +0000
From: Jules Richardson &lt;julesrichardsonuk(a)yahoo.co.uk&gt;
Subject: AIM65 with unknown second board
To: "General Discussion: On-Topic and Off-Topic Posts"
	&lt;cctalk(a)classiccmp.org&gt;
Message-ID: &lt;1105363005.13406.26.camel(a)weka.localdomain&gt;
Content-Type: text/plain

Afternoon...

We were given an AIM65 the other day (first time I've seen a real one)
in a rather fetching custom blue case that has a carry handle on one
edge. It was apparently used by Xerox for some for of magnetic media
testing way back when; it still carries a Xerox asset tag on the back.

Unfortunately in between the previous owner saying they wanted it when
it was retired and them going to collect it, it got thrown into  a skip -
...
 so there's some damage to the case and the red
display cover needs
replacing. Luckily the electronics survived, apart from one broken
switch. 

Curious thing about the machine is that it has a second board mounted
under the main board, containing quite a bit of circuitry. I was
wondering whether this second board is something custom produced by
Xerox (there are no marks indicating manufacturer) or whether it was an
official off-the-shelf expansion board...

Quick and dirty pics at:

http://www.moosenet.demon.co.uk/temp/comps/aim65/

Wish I'd brought the machine home now, but I can get a list of the main
ICs on that second board when I'm next at the musuem if needs be.

Note that there seems to be no RAM on the AIM65 board itself, -  just ROM
...
 - but there are 16 4116 chips on the expansion board.