UK PDP11 wanted

Pete Turnbull pete at
Wed Apr 15 11:53:05 CDT 2015

On 15 Apr 2015, at 15:04, Noel Chiappa <jnc at> wrote:
> I wonder what it does - does it start a PMI cycle, and then convert to a QBUS
> cycle when the PMI doesn't happen? Or does it somehow scan for both types
> during startup, and have some sort of configuration table that it relies on
> thereafter? I didn't see anything in either the KDJ11-B or KDJ11-E User
> Manual, and there is no KDJ11-x Tech Manual that I could find.

There's a Maintenance Manual, though that doesn't say either. It is mentioned in one of the Micronotes, but more to the point, I've tried it in the past so I know it works - though not how. 

Pete Turnbull

More information about the cctech mailing list