I am having a great deal of a problem with the nullCpuPowerManagement kext. Every time i want to use SL i have to replace it and then repair permissions.

Is there any other way i could achieve the same effect or a way to help me get it to work

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CPU: Intel Core 2 Duo 2.53Ghz
GPU: ATI Radeon X1600 Pro
Mobo: Intel DP35DP
OS:SnowLoepard(Retail Disc)(not completely working), Leopard(Working)
Issues with SL:
- Startup(slow & unstable)
- No Sound
- No Graphics Card Driver
- Kexts Issues(when installing software)