[rescue] Re: SM[567]1/HyperSPARC comparison

Greg A. Woods woods at weird.com
Tue Feb 5 20:02:39 CST 2002


[ On Tuesday, February 5, 2002 at 17:49:48 (-0500), Kurt Mosiejczuk wrote: ]
> Subject: Re: [rescue] Re: SM[567]1/HyperSPARC comparison
>
> 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."

Sounds like good advice to me.

Unfortunately it turns out my spare CPU is an SM50, so I won't be
playing any SMP games any time soon ("8. You cannot mix cached and
uncached modules on a single MBus.") -- I'll need another SM71 (or a
pair of even better CPUs! :-), but I won't be buying anything soon....

-- 
								Greg A. Woods

+1 416 218-0098;  <gwoods at acm.org>;  <g.a.woods at ieee.org>;  <woods at robohack.ca>
Planix, Inc. <woods at planix.com>; VE3TCP; Secrets of the Weird <woods at weird.com>



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