I need much more specific system info to help you properly.
Download CPU-Z and tell me exactly which cpu and mobo you're running.
okay, im running an intel core 2 duo e7400 2.8Ghz OC'd to 3.3Ghz wolfdale 45 nm, and my motherboard is a MSI MS-7525
this is whaat CPU-Z said:
Chipset: Intel p35/g33/g31
Southbridge:Intel 82801gb (ICH7/R)