What are thos options for? Some technical explanation ?

1. CPU/PCIEX Clock Diving Control



2. (G)MCH Clock Skew Control



3. CPU Clock Skew Control



4. DDR Termination Voltage Control



5. MHC Referente Voltage Control



6. DDR Reference Voltage Control



7. CPU GTLREF1 Voltage Ratio



8. CPU GTLREF2 Voltage Ratio



And this may be the famous FSB Strap right ? I may use 266 till 1400Mhz FSB ?