[ltp] T60 power management (fglrx, aticonfig --set-powerstate )

[Florian Manschwetus]

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Nils Kanning wrote:
> Hello, 
> i'm just configuring my new T60 and i'm not quite happy with the power
> consumption in battery mode. 
> 
> Untill now i'm using cpufeq with the powersave governor and
> laptop-mode. 
> I get about 2:30h battery life which is not very much compared to about
> 4h in windows. 
> 
> I also tried "aticonfig --set-powerstate=1" (T60 with x1300). this
> decreases the graphics performance but does not reduce the power
> consumption in my case (latest fglrx version in debian unstable). 
> 
> Maybe someone knows some trick how to get ati's powersaving working or
> has other ideas how to get more battery life? 
> 
> Furthermore it would be nice if other T60 users can post the output of: 
> cat /proc/acpi/battery/BAT0/state | grep present 
> when running on battery. 
> 
> With debian i get about 20000mW. 
> In windows its about 16000mW (measured with some shareware tool - don't
> know the name) 
> 
> Thanks
> Nils 
> 
> debian unstable 
> kernel 2.6.17 smp support 
> fglrx 8.24.8
> bios 1.09
> 
gentoo testing
1.06 or 07 bios
fglrx 8.26.18 / 8.27
i reach the 4h with freqscaling and coredisabling with low voltage ati 
power state and dimmed display. (with wlan)
florian

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