CPU Host Frequency can be set to 200-300MHz. There are options like BFG etc.

Interesting option, Intel SpeedStep can be set to AUTO or DISABLED.

If you want to increase the AGI-E, you can overclock the PCIe bus here.

Over here, you can set the ASync DRAM Freq of DDR333 or DDR400. DRAM timings can be adjusted. VCCM, VDDQ can be set to high or auto for stability during overclock.