EVGA X58 3X SLI - Manual (Page 38)

Frequency/Voltage Control
Use this menu to optimize system performance and configure clocks,
voltages, memory timings, and more.
The following items on the CMOS Setup Utility main menu are commands
rather than submenus:
Load Fail-Safe Defaults
Load Fail-Safe defaults system settings.
Load Optimized Defaults
Load Optimized defaults system settings.
Set Supervisor Password/Set User Password
Use this command to set, change, and disable the password used to access the
BIOS menu.
Save & Exit Setup
Use this command to save settings to CMOS and exit setup.
Exit Without Saving
Use this command to abandon all setting changes and exit setup.