[Bug 10562] Powersave feature not available on VIA C7-D CPU's

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http://bugzilla.kernel.org/show_bug.cgi?id=10562





------- Comment #4 from rafalbilski@interia.pl  2008-04-29 11:40 -------
Below discussion from Via Arena forums.

> Dear All,
>
> C7-D Model A (1.5/2 GHz) and model D (1.5 Ghz) dosen't support PowerSaver.
> C7-D Model D (1.8/2 GHz) support PowerSaver (P-States P0-P1).
> The e_powersaver driver of kernel 2.6.21-rc6 need to update for new VIA C7/C7D/C7M/Eden Model D CPU.
> VIA is testing it.
> If the driver was tested by VIA QA approval, VIA will deliver it.
And they did. Patch was available from Viaarena. I don't know it's current
state.
>
> BRs,
> Venus

> Hi Venus,
>
> What are the differences between model A and B.
> Also how can I know which I have?
>
> Thanks! 

> Dear nori,
>
> #cat /proc/cpuinfo
>
> Model A CPU=>
>
> processor : 0
> vendor_id : CentaurHauls
> cpu family : 6
> model : 10
> model name : VIA Esther processor 1500MHz
> stepping : 9
> cpu MHz : 800.040
>
> Model D CPU=>
> processor : 0
> vendor_id : CentaurHauls
> cpu family : 6
> model : 13
> model name : VIA C7-M Processor 2000MHz
> stepping : 0
> cpu MHz : 2000.022
>
> BRs,
> Venus


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