Re: how to do cpu voltage scaling

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Oh.. that would be great if i can.
can you tell me more detail?


2011/1/27 satish kumar <gsatish10@xxxxxxxxx>:
> yes yo can do
>
> On Thu, Jan 27, 2011 at 2:41 PM, mihn <mihnsk@xxxxxxxxx> wrote:
>>
>> Hi,
>>
>> I want to change voltage and frequency seperately.
>> With cpu-freq, i can change frequency, but cannot change voltage AFAIK.
>>
>> Can I do this using cpu-freq?
>>
>> If possible, how can I set voltage with the fixed value?
>> If not, is there any way to do that?
>>
>> FYI, i'm using intel i7-core(nehalem) and ubuntu 10.10.
>> FYI2, i found out i can do using IA32_PERF_CTL register, but there's no
>> detail from intel.
>> FYI3, can i change P-state table so that i can only change voltage in P
>> states?
>>
>> Thanks,
>> mihn
>>
>>
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