InsaneHardware have received an email from SiS ,telling them about a chipset Resistor Hack that give's a 3 % boost.

If you are ethusiastic in gaining amazing performance, please re-work the Pull-High 4.7k resistor on AP21 signal in PC2 bus. It can improve more than 3% system performance!
So for the full story warp to InsaneHardware.