[rescue] Re: SM1/HyperSPARC comparison
kurt at csh.rit.edu
Tue Feb 5 16:49:48 CST 2002
On Tue, 5 Feb 2002, Dave McGuire wrote:
> I've mixed speeds in mbus machines plenty of times. It works fine.
I think http://mbus.sunhelp.org/ has the best sounding advice on this.
"You should not mix MXCC cache-controllers of differing major revisions,
on the same MBus/XBus."
I suspect that is the biggest reason why people have problems with
different Mbus modules and why differing speeds are so often discouraged.
It's a nice general rule because many times the faster processor came
with an upgraded cache-controller....
I don't have empirical evidence to back this up, but it makes a LOT of
sense to me....
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