On October 7, Anders Magnusson wrote:
> The 782 is in principle two 780's, each of them with separate IO devices,
> separate memory etc but with some shared memory (in a separate box) to
> make the two machines to be able to communicate with each other. The
> shared memory is intended only to send messages between the two machines,
> it's slow and normally very little memory. Its intended usage is something
> like the SYSVSHM that communicate between processes.
> 
> So, the 782 machine is just two "normal" single-CPU machines that can talk
> to each other faster than over network. I know Mach was ported to that type
> of VAXen but I think that was only for testing purposes to see if the Mach
> concept worked on it. It wouldn't be realistic to try to port NetBSD to it.

  Given that, it might be better to think of the 782 as a
"configuration" of two 780s with a shared memory option rather than a
separate model of VAX in its own right.

   -Dave

-- 
Dave McGuire
Laurel, MD