yet another object (Unibus card?) to identify

Jon Elson elson at
Thu Apr 2 20:30:22 CDT 2015

On 04/02/2015 03:58 PM, Pete Turnbull wrote:
> While sorting through some Unibus cards I've had on a 
> dusty shelf for years, I came across a strange card 
> (picture at 
> It has no maker's name, but what looks like a zigzag 
> triple S logo near the centre of the top edge, and the 
> legends "2010-60", "2010-6001 C835" and "EM PC" next to that.
I KNOW that logo, but I can't for the life of me think of 
who it is, right now!  I know we had some boards in our 
PDP-11 that had that logo on them.


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