SpeedStepper is a command-line tool that patches AppleIntelCPUPowerManagement.kext to load on ASUS P67 boards.
It patches 10 distinct write operations to MSR 0xE2, that is locked by the ASUS BIOS.
Supported is only AICPUPM v142.6.0 (32/64bit).
Usage:
1) make a backup of the kext, patching will be done in-place
2) sudo ./speedstepper /S/L/E/AICPUPM.kext/Contents/MacOS/AICPUPM (abbreviated)
3) update kextcache
4) read thread ... (soon) to get SpeedStep working, in the meantime goto link
speedstepper.zip 3.26K
2833 downloadsSpeedStepper v1.2 for Lion 10.7.0 & 10.7.1
Only works with AICPUPM v166.0.0 (64bit)
speed_stepper_lion_gm.zip 1.89K
3403 downloadsSpeedStepper v1.2 for Lion 10.7.2 (beta)
Only works with AICPUPM v167.0.0 (64bit)
speed_stepper_lion_1072.zip 1.89K
5358 downloadsSpeedStepper v1.3 for Mountain Lion 10.8.3
Only works with AICPUPM v196.0.0
speedstepper_ml_1083.zip 2.09K
449 downloadsAlso see MSRDumper for debugging P-States!



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