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Enable SpeedStep support on any capable Intel CPU
Authored by: mercurysquad on Mar 20, '09 07:28:05AM

The Wikipedia article (as expected) is wrong.

SpeedStep has not been built into the xnu kernel, ever. Clock recalibration code was present in older xnu versions, but this has also been removed. SpeedStep is controlled via an Apple-supplied kernel extension (driver) instead.

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