DEC PDP-11/45 backplane +5 ECO

Jacob Ritorto jacob.ritorto at gmail.com
Sun Apr 25 20:03:06 CDT 2021


I do. An early one from Stanford. 

Sent from my iPhone

> On Apr 24, 2021, at 11:28 PM, Noel Chiappa via cctalk <cctalk at classiccmp.org> wrote:
> 
> 
>> 
>> From: Fritz Mueller
> 
>> could I ask that you take some closeups around the Mate-n-Locks along
>> the top? I'd be very interested to see the board traces and the details
>> of the red bus wiring there.
> 
> I had a look at my /45 (a later KB11-D - although I think the backplanes for
> the -A and -D are identical), and it seems to have heavy red wires attached
> to the upper row of Mate-n-Lok's that look just like those on Josh's. I'd
> really want to take pictures of mine (I don't want to take the backplane out
> - too much work - but I can get decent images with it in, I think) so I
> can compare them directly, though, not depend on visual memory.
> 
>    Noel
> 
> PS: I wonder how many people here have -11/45's? ISTR one other, but they aren't
> common.


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