[ltp] x61s battery life time

Henrique de Moraes Holschuh linux-thinkpad@linux-thinkpad.org
Sat, 9 Feb 2008 16:28:23 -0200


On Sat, 09 Feb 2008, Pete Phillips wrote:
> I am running a 2.6.24 kernel under Gutsy on my X61s with the slimline
> battery, and with the wireless switch off and laptop mode turned on,
> plus running:
> 
>       modprobe -r ehci_hcd uhci_hcd sierra usbserial
> 
> I am getting 11.8 W (2.3 hours) (using emacs to read my emails and
> manage my org-mode lists). 
> 
> However, I can't unload usbcore.  Is it possible to unload the usbcore
> module ? and will it make much difference to my power consumption ?

No, usb-core won't make a difference on power consumption. removing UHCI
does, and EHCI just might make a difference.

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh