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CPU power management (was: Re: Missing C-States on Core Duo)



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Frank Ursel wrote:
> On So, Feb 04, 2007 at 07:41:30 +0100, Mike Hommey wrote:
>> max_cstate is also C8, but I only have 2 C-states when on AC power,
>> and 2 more C-states show up when on battery. I don't think you have to
>> worry.
> 
> Thanks. On my system there is no difference between AC or battery. Every
> time three C-states show up. As I found out, I'm not the only one how is
> curios about the missing states and somewhere I read that it is the
> vendors choice of how many C-states are reported and supported on an
> laptop. So, lets wait and see. :-)

On a side note, I have found out that FreeBSD is able to bring down the
processor speed of a Pentium M processor on a laptop of a friend a LOT
lower than what Linux is able to do (200MHz as opposed to 800MHz in Linux).

I am wondering if the information is correct. I thought of installing
Debian GNU/kFreeBSD but I failed miserably and I don't know when and if
I'll try again.

- --
Regards,
EddyP
=============================================
"Imagination is more important than knowledge" A.Einstein
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