[rescue] SparcStation 10 Cache Controllers

[Steve Hatle]

I was never aware of such a requirement and probably had many mismatches over the years. Never noticed any problems. 

Maybe I was leaving performance or stability on the table, but in practical terms it never mattered. 


Steve

> On Jul 20, 2024, at 7:16 AM, Ethan Hawke via rescue <rescue at sunhelp.org> wrote:
> 
> 
> I believe one of mine SS20's has or had mixed SM71 modules. I have mixed other modules (different speed hyperSPARCs for example) and not had issues.
> 
> Mixing hyperSPARCs with SuperSPARCs will cause problems with SunOS/Solaris/etc as they use different drivers.
> 
> You should be fine, but only one way to be sure!
> 
> Ethan
> 
> On 20/7/24 22:05, Michael Dombrowski via rescue wrote:
>> The Rough Guide to MBUS modules suggests that cache controller MXCC major versions should be matched when using two mbus modules. My SM71 is version 4.5, so I would need another of that specific version of SM71, or any SM81 to follow the Rough Guide advice. Does anyone have experience mixing 3.x and 4.x versions?
>> 
>> mike
>> 
>> 
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