Asus P5B - Manual (Page 136)

5-24 Chapter 5: Software support
5.3.9 ASUS AI Booster
The ASUS AI Booster application allows you to overclock the CPU speed in
WIndows ® environment without the hassle of booting the BIOS.
After installing AI Suite from the bundled support CD, you can launch the utility
by double-clicking the AI Suite icon on the Windows ® OS taskbar and click the AI
Booster button on the AI Suite main window.
The options on the taskbar allow you to use the default settings, adjust CPU/
Memory/PCI-E frequency manually, or create and apply your personal overclocking
configurations.
Refer to page 1-9 for the OS that supports this feature.