powerbook fan behaviour, therm_adt7467
hi,
I've got a question about the fan behaviour on powerbooks using the
therm_adt7467 module: I've noticed that the fan seems the start correctly
(when the cpu temperature reaches the given limit), however, it starts to
spin pretty quickly, causing a lot of noise.
Under MacOS X, the fan spins a lot slower and is much more quiet in general.
Since the quietness of these powerbooks was one of the things that turned me
on in the first place, I'm interested in wether somebody managed to
approximate the fan behaviour under OS X in linux, using the therm_adt7467
module.
I'm a bit scared about experimenting with the module parameters because I
don't want to cause any heat-induced damage by having the fan work to
inefficiently, yet I need to use the laptop in places were low noise levels
are mandatory and I'm currently forced to rely on OS X there...
the powerbook in question is a 12", latest model, using a vanilla 2.6.9
kernel, loading therm_adt7467 at boot time without any module arguments.
regards,
Georg Kaindl
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