Fast MBus modules

[Dave McGuire]

On Aug 1, 2007, at 1:36 AM, Zane H. Healy wrote:
>>> I've been nice and stable with a pair of SM71's.  What I think  
>>> would be cool to try is a pair of the dual CPU boards for a quad  
>>> CPU system (I think they were 50Mhz).  I ran my SS20 like this  
>>> for quite some time before I upgraded to an UltraSparc based system.
>>
>>   Those would be SM100s.  Made by Ross, Cypress chipset, 40MHz, no  
>> L2 cache, and ungodly slow.  A system with two SM51s will run  
>> rings around a system with two SM100s.
>
> Actually I was thinking of Sun's SM52, dual 50Mhz boards with I  
> believe 1MB cache.

   Oh, THOSE...I thought they were only used in the SS1000?  Or am I  
getting them mixed up with another module?

   The SM100 really is a piece of garbage, though.  Sun knew  
(according to a former Sun employee) that they should never have sold  
them, but being able to say "we have a quad-processor machine" was  
worth quite a bit to them at the time.

            -Dave

-- 
Dave McGuire
Port Charlotte, FL
Farewell Ophelia, 9/22/1991 - 7/25/2007