bios.h question

Francois Tigeot ftigeot at wolfpond.org
Mon Sep 20 11:11:48 PDT 2004


On Mon, Sep 20, 2004 at 07:00:13PM +0200, Bruno Ducrot wrote:
> On Fri, Sep 17, 2004 at 09:08:50PM +0200, Francois Tigeot wrote:
> > > 
> > > Ahh - bios tables.  That we can do.  This is for a kernel component, 
> > > right? 
> > 
> > Right. The table is providing CPU frequency and voltage information
> > corresponding to different power states.
> > A kernel module could use it to scale system speed according to the
> > average load...
> > 
> > At least, it seems this is what this code does on i386:
> > http://www.poupinou.org/cpufreq/bsd/powernow_k7/
> 
> I'm working on a powernow_k8 driver anyway since I need one.

Nice to hear that.

I'm curious: did you find any recent documentation ? All documents on
Powernow! I could gather on AMD site were for the K6 family.

-- 
Francois Tigeot


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