Re: Controlling Powerbook fan speed

[Francois Taiani]

Wee-Jin Goh wrote:
Hi,
What does -2 do?
-2 is the number of °C by which you want to adjust the maximum 
temperatures that are used by the therm_adt driver to decide when to 
start the fan(s).

The default are 50°C for the cpu fan, and 70°C for the gpu one 
(gpu=general power unit), but I think I've heard there is only one fan 
in some PowerBook anyway.

http://kernel.kernelnotes.de/linux-2.6.3/drivers/macintosh/therm_adt7467.c
Cheers
Francois
On Wed, 2005-03-09 at 20:12 +0000, Francois Taiani wrote:
I think you can echo a negative value to 
/sys/devices/temperatures/limit_adjust

(echo -2 > /sys/devices/temperatures/limit_adjust)
Cheers
Francois
Wee-Jin Goh wrote:
Hello,
Is there anyway to control the fan speed on my Powerbook? I'd like to
set it so that it comes on sooner rather than later (i.e. turn it on at
a lower temperature)?
Regards,
Wee-Jin



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