[rescue] Wanted: SparcStation 20 and/or Parts

[Andrew Reynolds]

On Thu, Nov 24, 2011 at 10:35 AM, Michael-John Turner <mj at mjturner.net> wrote:
> On Wed, Nov 23, 2011 at 01:59:24PM -0500, J. Alexander Jacocks wrote:
>> Indeed I know that the SS20 can't use the second meg of cache.
>> However, unless I find 2 more identical SM81s, I need a second SM81-2
>> to be able to run 2 processors, as the SS20 requires identical CPUs to
>> be installed for SMP.
>
> I'm not sure that's strictly true - officially, yes, but AFAIK it's
> possible to mix modules. I think the key factor is that all CPUs must
> either have cache or be cacheless.
>
My hand-me-down SS20 is running with an SM41 and an SM61, I'd have to
fire it up to confirm hardware revisions. It's clunky, but it works. I
seem to recall having to put the SM41 in the first MBUS slot.

-Andrew Reynolds