Open DEC digital equipment door without the key?

Eric Smith eric at
Fri Mar 4 09:47:52 CST 2005

> I am curious about what is in the HSC70 but the the door is locked and
> the key is lost. There should be a PDP11 and several HD's inside, at
> far as I know.

There's not a PDP-11 per se.  There is a J11 processor, on a special
bus that is not mechanically compatible with anything else, and
electrically somewhat similar to a Qbus but not interchangeable, along
with an additional channel bus.

No HDs inside, just an RX50 floppy drive.


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