Thanks for confirming that these cards are indeed
from a CD display unit; here's the model info:
https://lh3.googleusercontent.com/-y78OZlnQIMA/Vfcy4SwF3gI/AAAAAAAAAW0/sVPC…
But after all that I take it they're of no use to
anyone and I can scrap them with a clear
conscience?
m
----- Original Message -----
From: "Al Kossow" <aek at bitsavers.org>
To: <cctalk at classiccmp.org>
Sent: Thursday, September 10, 2015 1:18 PM
Subject: Re: Control Data (?) circuit boards
On 9/10/15 9:23 AM, Mike Stein wrote:
Not very interesting
backside is all-telling.
DD12092 is the part number. DD == "Data Display"
the display division of CDC
they are the form factor that DD used. I picked
up a 3291-B display
controller manual from Billy Pettit yesteray,
and is uses discrete
cards in the same shape.
cans are Fairchild, circa 72/73