The FSB speed is 1066 MHz. That is really the stock FSB clock. Speed is 1/4 of that - 266 MHz. The nForce 600/700 BIOS is a little strange. You adjust the FSB clock, not the FSB freq.
Set memory to Linked. Once you do that, you should see Memory speed drop to 533 MHz.
The screen shot for the voltages show their maximum values. Do not go that high or you will fry something.
So. Leave your memory timing on Auto. Set memory to Linked. For 3.3 GHz, FSB speed is 333 MHz, FSB clock is 1333 MHz, and memory clock will be 667 MHz.
These combinations will give you a 1:1 FSB:RAM ratio and generally the best stability. Running the RAM faster gives little extra performance in a Core2 system.
Jump straight to 3.3 GHz. Otherwise, you will be forever nudging the FSB freq up 5 or 10 MHz at a time. You should be able to reach 3.3 GHz. You may be able to reach 3.6 GHz depending on your individual CPU, cooler, and case.
On my eVGA 680i board, running the memory Linked gave me a fair amount of instability, so I ran Unlinked and manually entered memory settings to let me run 1:1.
Keep the CPU core voltage under 1.50 volts and your load temps under 70 C. Do not exceed 2.2 volts RAM voltage.