[coreboot] CPU Turbo [KGPE-D16]

[Timothy Pearson]

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On 12/11/2016 07:52 PM, Taiidan at gmx.com wrote:
> Thanks! helpful as always >:D

> Yes c states and cc6 states are enabled, 1 or 2 cores can get up to
> around 100mhz or so less than turbo 2 however I cannot get the whole
> advertised 8 or even 4 (i get max around 2.5ghz as reported by "cpupower
> monitor" ), my temp is 35C with full load cpu usage and my fans nearly
> off (tower cooler) so I don't think that could be the issue.

Interesting.  Are these the results of the turbostat program?  What does
powertop show in the idle stats?

> - Do mismatched cpus work at their native clock speeds? What would
> happen if I inserted for instance a 6220 in to the second cpu socket.

Yes, they should work at the native clocks.  Don't even try mixing
different generations of Opteron even with the same socket, it won't
work, but a minor clock difference shouldn't be a problem in the same
overall family (e.g. mixing an 82xx with an 82yy should be OK).

- -- 
Timothy Pearson
Raptor Engineering
+1 (415) 727-8645 (direct line)
+1 (512) 690-0200 (switchboard)
https://www.raptorengineering.com
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