1) Combo Update - DO NOT RESTART
2) Copy the AICPUPM kext to your Desktop.
3) Using 0xED.app, Open ~/Desktop/AppleIntelCPUPowerManagement.kext/Contents/MacOS/AppleIntelCPUPowerManagement
4) Make sure Overwrite mode is chosen
5) Change all 0xe20000000f30 strings to 0xe20000009090 (normally 7 to 13 will be found depending on release)
6) Press the RED button to save back into kext. YOU MUST PRESS THE RED BUTTON - do not use the File menu.
7) Using Kext Helper b7.app, install your modified AICPUPM kext
8) Remove (Backup!) NullCPUPowerManagement.kext, if installed.
9) Reboot
YOU MUST REPEAT THIS FOR EVERY RELEASE!

Steve