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Re: CPU fan, CPU speed control

On Tue, Nov 25, 2003 at 12:20:00PM -0500, Emma Jane Hogbin wrote:
> On Fri, Nov 21, 2003 at 02:37:51PM -0600, Dan Davison wrote:
> > I tried this with APM options enabled in my kernel compilation, and now
> > I've enabled ACPI options as well and get the same response. How do I
> > enable CPU frequency control in this case?
> Use ACPI /or/ APM. Don't try to run them both at the same time. Did you
> apt-get install acpid and apt-get remove apmd?
> > And BTW, is there any chance that the fan will turn off or slow down a bit
> > at lower CPU speeds (Do they (always) have a thermostat or something?)
> You may have a busted DSDT (I think that's the right acronym). I have an
> Acer Travelmate 630. The fan sort of plays nicely, but it is not
> controlled by ACPI due to bugs on Acer's part. The fan is /quieter/ when
> I'm using ACPI (rather than APM), but it's still on almost all of the
> time.

he needs cpufreq support in his kernel to use cpudyn or similar daemons.
AFAIK -ac or -ck patches contain cpufreq support 


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