support of SMBus on ICH3

[Igor Pokrovsky]

On Tue, Aug 12, 2003 at 05:59:59PM +0200, Stijn Hoop wrote:
> On Tue, Aug 12, 2003 at 04:59:18PM +0200, Igor Pokrovsky wrote:
> > On Tue, Aug 12, 2003 at 04:54:09PM +0200, Stijn Hoop wrote:
> > > I suspect Don is right, and the motherboard disables the SMBus controller
> > > becase there are no slave devices wired to it. Dell (the brand of my
> > > laptop) uses ACPI and a proprietary method to determine thermal values,
> > > so they must have disabled SMBus to avoid implementing yet another
> > > way to read those.
> >
> > How did you know that? In fact I need SMBus only for the reason to
> > run sysutils/wmhm. It is very important for me when it is about
> > +40C around here. And laptop just turns off automatically without
> > any warning. And want to monitor processor temperature in order not
> > to loose my work.
> 
> I 'ported' the Linux Dell SMM driver:
> 
> http://sandcat.nl/~stijn/freebsd/
> 
> It exports some sysctl's exposing the fan status and the CPU temperature.
> Note the quotes -- it's still pretty experimental, and covered under the
> GPL instead of BSDL.
> 
> The rest of the temperature readings are in hw.acpi.tz IIRC, but my
> laptop is not turned on right now.

Is it Dell specific? My laptop is ASUS L3S.

-ip

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