Mark Allums wrote at 2010-10-10 21:04 -0600: > On 10/10/2010 2:53 PM, Klistvud wrote: > >Dne, 10. 10. 2010 18:24:01 je Camaleón napisal(a): > > > >> > >>I maybe wrong but AFAIK, 3-pin fans cannot be controller by ACPI (only > >>PWM, that is, 4-pin fans can). Anyway, you can use an external fan > >>regulator which allows you to put the fan rpm at fixed speed or you can > >>buy a silent (low speed) fan. > >> > > > >I think ACPI can cotrol 3-pin fans too -- *if* such support is built > >into the motherboard. You probably just have to install some particular > >package, such as lm-sensors or fancontrol or a dedicated kernel module? > >I regret not being able to be more specific, but it's been some time > >since I've tackled the fan controllers on my boxes. I was under the > >impression actually that ACPI fan control worked out-of-the-box on > >Debian, but memory may be failing me (and I don't mean RAM). > > I think fans can be /sensed/, i.e. RPM, but not /regulated/. Three > pin fans are +12v, ground, and sense. (Or is it +5v? Anyway...)
Hmm, I had an Asus motherboard that had 4 fan connectors on the motherboard, all 3 pin. And it could regulate 2 of the 4 fans.
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