Athlon XP-M/PowerNow for desktop system?

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Hi,

I'm currently thinking about replacing the Athlon 900 in my desktop
machine with a more recent CPU, and I'd be interested in getting one of
these Athlon XP-M "Low Power" CPUs. I think the mainboard - a MSI KT4AV-L
(MS-6712) with VIA's KT400A chipset - supports those CPUs, but I'm not
sure if I would be able to use their energy saving features with FreeBSD.
I know about the powernow_k7 module [1], but not enough to say if it
should work in this case or if there could be problems with desktop
mainboards.

Are there any catches one should be aware of when trying to do this?

Stefan

[1]: http://www.poupinou.org/cpufreq/bsd/

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