Fast MBus modules

[Sridhar Ayengar]

Dave McGuire wrote:
> 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?

They might have only been *sold* in the SS1000, but I've definitely run 
them in the SS20.  I suspect the configuration would probably be called 
something similar to SS20/514.

Peace...  Sridhar