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Re: CPU fan control



Manu Hack napisał(a):
> I've installed etch on my laptop.  During the time I used Windows, I
> feel the CPU temperature is lower.  And now the CPU fan works when the
> CPU temperature is higher than 70C and stops (or runs at a lower
> speed) when it's 55C or lower.  I'd like to know if it's possible to
> adjust the threshold temperature like making it run faster well below
> 70C.  Thanks!
> 
> 


On HP/Compaq (nx 6310):

echo "105:100:100:78:70:60:50" > /proc/acpi/thermal_zone/TZ0/trip_points
echo 10  > /proc/acpi/thermal_zone/TZ0/polling_frequency

cat /proc/acpi/thermal_zone/TZ0/trip_points
critical (S5):           105 C
active[0]:               78 C: devices=0xcf7aea40
active[1]:               70 C: devices=0xcf7ae9dc
active[2]:               60 C: devices=0xcf7ae98c
active[3]:               50 C: devices=0xcf7ae93c


cat /proc/acpi/thermal_zone/TZ0/polling_frequency
polling frequency:       10 seconds

-- 
Maciej Rutecki <maciej.rutecki@gmail.com>
http://www.unixy.pl
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/wiki/)

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