system power profile

Chris Collins collins at collins-ca.com
Thu Aug 7 14:23:13 PDT 2003


That seems to work.. Thanks but not without a reboot... 

As for the FN key they don't work... Is there a key special key mapping that I
need to do... ?

Chris




On Thu, 07 Aug 2003 14:06:46 +0200, Andreas Kohn wrote
> Am Thu, 2003-08-07 um 06.23 schrieb Chris Collins:
> > Hello
> > 
> > I have been running 5.1-stable on my Vaio 505GL for about a week now and
> > things are working great. I am still trying to figure out a few things that
> > hopefully some of you can help me with.
> > 
> > I have noticed that when my laptop boots is selects a system power profile
> > 'economy' and I have also noticed a few times it has changed to profile
> > 'performance'.  My question is how can I define what these profiles are and
> > how can I select them manually myself. 
> The economy profile is selected when your laptop runs on battery 
> power, the performance profile when it is running on AC. (Some BIOS 
> may allow to select the profile preference also)
> 
> You can use the hw.acpi.cpu.economy_speed and .performance_speed sysctl
> to select the amount of CPU throttling. The hw.acpi.cpu.current_speed
> contains the current speed :) and .max_speed contains the highest
> possible value.
> 
> Select the profile by unplugging/plugging-in your AC connector *g
> 
> > 
> > The second thing that I cannot seem to figure out is how to change the screen
> > brightness. Can somebody point me in the right direction, I am not sure where
> > to even begin. 
> Your laptop should provide controls for that (mine has Fn+F[7-10] to
> change brightness and contrast)
> 
> HTH,
> -- 
> Andreas Kohn <andreas.kohn at gmx.net>




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