Subject: Re: Thanks re help for mvII
To: Steve Threlfall-Rogers <SteveTR@truffnet.demon.co.uk>
From: Dave McGuire <email@example.com>
Date: 09/26/1996 18:10:05
On September 24, Steve Threlfall-Rogers wrote:
> Interestingly enough the system works fine with the board in but the
> ribbon cable disconnected!.
This is because the MicroVAX II uses a PMI (private memory
interconnect) to talk to the memory...it's a private bus between the
cpu and the memory. The memory doesn't reside on the Qbus, but is
accessible through the MMU on the cpu card.