LenovoThinkpadT420s

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Jun 042012
 

Specs

  • Nvidia Optimus

Kernel Options

 i915.i915_enable_rc6=1 i915.semaphores=1 i915.i915_enable_fbc=1 i915.lvds_downclock=1 pcie_aspm=force

Brief Verdict

  • Bumblebee works
  • OK battery time

Links

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