Fast MBus modules
Zane H. Healy
healyzh at aracnet.com
Wed Aug 1 10:06:52 CDT 2007
At 2:29 AM -0400 8/1/07, Sridhar Ayengar wrote:
>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.
They were for the SS10 and SS20, I'm not sure they'd even fit in the
SS1000. Each one filled a M-Bus slot, and the S-Bus slot directly
next to it.
Zane
--
| Zane H. Healy | UNIX Systems Administrator |
| healyzh at aracnet.com (primary) | OpenVMS Enthusiast |
| MONK::HEALYZH (DECnet) | Classic Computer Collector |
+----------------------------------+----------------------------+
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