Gigabyte GA-6CXC User Manual page 70

CPU Ratio Selection
2.0x(Safe)/2.5x/3.0x/3.5x/4.0x/4.5x/5.0x/5.5x/6.0x/6.5x/7.0x/7.5x/8.0x
USB Function
Disabled Disable USB Function.
Enable USB Function. (Default Value)
Enabled
USB Legacy Support
USB Legacy Support can be set when USB Function is Enable.
Disabled Disable USB Legacy Support. (Default Value)
Keyb+ USB Keyboard and Mouse Support.
Mouse
Keyboard USB Keyboard Support.
58
BIOS Setup