Tuesday, August 12, 2008
The following tweak applies to processors with either Intel SpeedStep or AMD PowerNow! Processor performance control technologies. Windows includes inbuilt processor performance control to utilize it more efficiently. Some CPUs that support the aforementioned technologies have trouble with random hangs under XP. Even if you’ve installed an updated CPU driver, XP might not have enabled it. This hack is for such cases.
Here, create a new DWORD value (or modify the existing value) called HackFlags, and edit its value according to the following.
0: Disables native XP support
1: Use settings inherited from Intel Software during your XP upgrade.
5: Allow XP to support all modes when on battery
You will need to restart for the change to take effect.