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Reducing Power consumption Ubuntu 11.10 On Aspire S3

vi /etc/default/grub Change GRUB_CMDLINE_LINUX_DEFAULT=”quiet splash” To GRUB_CMDLINE_LINUX_DEFAULT=”quiet splash pcie_aspm=force pcie_aspm=force i915.i915_enable_rc6=1 i915.i915_enable_fbc=1 i915.lvds_downclock=1″ update-grub Saves about 10 Watts you battery now should last about 3 to 3.5 hours depending on what you do of course

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