sony-vaio-z-series team mailing list archive

[Danilo Šegan <danilo@xxxxxxxxx>]

У чет, 10. 05 2012. у 13:49 +0200, Danilo Šegan пише:
> У чет, 05. 04 2012. у 13:45 +0200, Reinhard Oldenburg пише:
> > Thanks for the two replies so far. They triggered me to install Bumblebee and swithcing to inteal graphivs with this  (and still the originl BIOS) I get power consumption of 13-15 W. This is not as low as others reported but acceptable (yielding 3h of time on battery). Maybe the i7-640M in my model is responsible for this.
> 
> Screen brightness and bluetooth are the other big battery drainers for
> me.  Without sony-laptop module by Norbert I can't easily change the
> screen brightness.  Turning of bluetooth and 3g card (when not in use,
> of course), cuts down on a few watts as well.

And don't forget the fingerprint reader: you can get your USB devices to
sleep with "powertop":

  5.10 W    100,0%                      Device         Display backlight
  3.00 W    100,0%                      Device         Radio device:
iwlwifi
  2.47 W    100,0%                      Device         USB device:
Fingerprint S
  1.27 W    100,0%                      Device         Radio device:
btusb

Cheers,
Danilo