Gigabyte uses Award's widely known BIOS layout, it's not the prettiest, but it works well. They chose to move the overclocking section up to the first first menu, which is small but appreciated detail. For those familiar with tweaking BIOS settings, the rest of the menus are standard fare.

The Standard CMOS Features menu is where the clock is adjusted and all the SATA, PATA and floppy drives are listed.

In the Advanced BIOS Features, one can set the boot device priority as well as a few other settings that don't really need your attention. The hard drives S.M.A.R.T. feature defaults to disabled so it's a good idea to enable it just in case it decides to start giving errors.

In the Integrated Peripherals section, it's possible to enable, or not, various onboard devices. Enabling USB Keyboard Function will let you use it between the initial boot screen and log on screen for things like booting into safe mode.

Here are some power management options which can all be left at default settings.

The PC Health page displays various system voltages, temperature, fan monitoring and control.
