SpeedIt is a OS X Kernel extension and Preference Panel application designed for real-time CPU frequency, throttling and monitoring and on-the-fly adjustment of the CPU performance level on Intel Core Duo models via processor's power management model-specific registers (MSRs).

SpeedIt continuously monitors the CPU usage level and dynamically adjusts the CPU frequency, throttle and/or voltage level as needed and/or defined.

Intel Required

Limitations:
Project has been abandoned.