Ubuntu
linux package

  1. Bug #519142
  2. Comment #21

Comment 21 for bug 519142

Revision history for this message
Thomas Hood (jdthood) wrote :

It was mentioned earlier but not so explicitly: ThinkPad firmware throttles the CPU if the machine is running on a 65W power supply with no battery installed.

See, e.g., http://forums.lenovo.com/t5/X-Series-Tablet-ThinkPad-Laptops/X61-Your-power-adapter-may-be-cheating-you/td-p/17870