Tuesday, August 12, 2008

Native Processor Performance Control in XP


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.

Navigate to:
 HLM\SYSTEM\CurrentControlSet\Services\P3\Parameters


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.


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About This Blog

The Windows Registry is a database which stores settings and options for Microsoft Windows operating systems. It contains normally information and settings for hardware, operating system software, most non-operating system software, and per-user settings. Registry is used to optimize the security, enhance the functionality, modify the functioning of any software OR settings and many more.

In this blog I have tried to collect all the tweaks and hacks available on various website. I have tested many of these hacks before posting but still I would suggest you to take backup of your registry before trying any of these tweaks and if anything goes wrong while trying these hacks I or this blog will not be held responsible.

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