jmke

You may think that overclocking AMD processors by raising their clock generator frequency is well-studied approach that has been in successful use since first 64-bit Athlon 64 CPUs appeared in the market. However, it is not quite the case. The launch of quad-core AMD processors together with the introduction of Stars (K10) microarchitecture changed a lot about the way we overclock. It happened due to the introduction of an L3 cache shared among all cores and the modification of the voltage regulator circuitry. That is why Phenom overclocking procedure has certain peculiarities that need to be taken into account when you overclock Phenom II processors based on new 45nm cores

http://www.xbitlabs.com/articles/cpu...rclocking.html

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