[AuckLUG] Cannot get Powernow working under Gentoo 2007.0

[Steve Smith]

On Mon, 04 Jun 2007 19:24:20 Jamie Dobbs wrote:
> I have recompiled my kernel as per the Powernow HOWTO at
> http://gentoo-wiki.com/HOWTO_PowerNow! but cannot seem to get any Powernow
> or frequency scaling support.
> A dmesg | grep powernow returns nothing , it is enabled in the BIOS of the
> machine and works under Windows but does not even appear as an option under
> Gentoo running kernel 2.6.20-gentoo-r8. I am running an Athlon 64 3200+ but
> running the x86 version of Gentoo so that I can run the software I require
> that is not well supported under amd64.
>
> Any ideas apprecaited.
>
> Thanks
>
> Jamie
>
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From past experience you need cool n quiet enabled in your bios. Then use 
dmesg to check that it is being reported as usable by the kernel. I think 
there is also a /proc/sys area which will give the same info.

This has worked for me in the past.

Steve.