A method and apparatus for operating a computer system comprising a first and a second computing unit, the method comprising selecting a first clock frequency for operation of said first computing unit, and selecting a second clock frequency for operation of said second computing unit wherein said first...http://www.google.com/patents/US7353421?utm_source=gb-gplus-sharePatent US7353421 - Method and apparatus for determining and allocating clock frequencies for plurality of processing units on system start-up or resetting of the system