Multiprocessor Qbus PDP-11

[Zane Healy]

On Aug 19, 2021, at 4:39 PM, Charles Dickman via cctalk <cctalk at classiccmp.org> wrote:
> 
> There are indications in the KDJ11-B processor spec on bitsavers that the
> M8190 could be used in a multiprocessor configuration. For example, bit 10
> of the Maintenance Register (17 777 750) is labeled "Multiprocessor Slave"
> and indicates that the bus arbitrator is disabled. There is also section
> 6.6, "Cache Multi-Processor Hooks", that describes cache features that
> allow multiprocessor operation.
> 
> Would it be as simple as connecting to 11/83 qbus together? And adding the
> proper software.
> 
> Anybody ever heard of such a thing?
> 
> Chuck

Have you looked at the Falcon PDP-11/21 boards?  Perhaps this is for them?  I’ve never had a Falcon board, so haven’t really read up on them.

Zane