[CentOS] CentOS 6 : Tip for significantly increasing battery life / reducing power consumption (Thinkpad X220 Tablet)

Fri Aug 3 08:16:55 UTC 2012
Mathieu Baudier <mbaudier at argeo.org>

>> pcie_aspm=force i915.i915_enable_rc6=1 i915.lvds_downclock=1
>> i915.i915_enable_fbc=1
> Interesting as now I'm using RHEL 6.3 on T400.
> Would that make the notebook slower?

I did not notice any change in performance so far.
(Tested with parallelized, offline, Java build and unit tests)