Displaying 1 result from an estimated 1 matches for "williambrownstreet".
2012 Aug 03
5
CentOS 6 : Tip for significantly increasing battery life / reducing power consumption (Thinkpad X220 Tablet)
Hello,
I was not happy with the power consumption of CentOS 6 x86_64 on a new
Lenovo Thinkpad x220 Tablet and I worked on reducing it. I just wanted
to share with the list one of the changes which gave me the most
significant improvement.
As per http://www.williambrownstreet.net/blog/?p=387, add the
following kernel arguments to the GRUB boot configuration:
pcie_aspm=force i915.i915_enable_rc6=1 i915.lvds_downclock=1
i915.i915_enable_fbc=1
(in /boot/efi/EFI/redhat/grub.conf since I use EFI,
/boot/grub/grub.conf otherwise)
As measured using PowerTop, this made the po...