yet another object (Unibus card?) to identify

Jon Elson elson at
Fri Apr 3 11:27:16 CDT 2015

On 04/03/2015 08:23 AM, Johnny Billquist wrote:
> On 2015-04-02 22:58, 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.
> The logo is System Industries.
THANK YOU!  Yes, that must be it, we used a number of their 
boards a long time ago on PDP-11 and VAX systems.


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