There is only a sub menu for memory, you have to enter the value manually for FSB and multi.
The first part should look something like this,
Extreme Tweaker
Ai Overclock Tuner : Manual
OC From CPU Level Up : AUTO
CPU Ratio Control : Manual
- Ratio CMOS Setting : 8
FSB Frequency : 450
FSB Strap to North Bridge : 333
PCI-E Frequency: 110
DRAM Frequency: DDR2-1081