Re: Shuttle SB61G2 fan speed

Hello,

I have a SB51G, which should be very similar to your shuttle.

In my case, ACPI module does not change the fan speed, but loading the
lm_sensors kernel module (i2c) does. The reason is that the modules
writers, as they don't have all the specs they need, find it safer to
reinitialize the whole sensors.

Do you have the sensors loaded or compiled in ? If this is actually the
cause of the problem, and if you really want sensors in your kernel,
removing the reinitialization is really a one-liner.

Éric Brunet
On Tue, Oct 07, 2003 at 09:45:03PM -0400, Eric Northup wrote:

I have a Shuttle mini-PC currently running linux 2.6-test6 (but I have
seen this issue w/all kernels I've tried, 2.4.x and 2.5.x).  It has a
"smart" fan control, which regulates the speed of the system fan
according to the temperature (a Thermal Zone in ACPI terms, yes?).  The
problem is: as soon as Linux gets control from GRUB, the fan goes to
full speed and stays there.

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