4-2 Chapter 4: BIOS setup
• Save a copy of the original motherboard BIOS le to a USB ash disk in case you
need to restore the BIOS in the future. Copy the original motherboard BIOS using the
ASUS Update utility.
• Download the latest BIOS le from the ASUS website at www.asus.com
4.1 Managing and updating your BIOS
BIOS (Basic Input and Output System) stores system settings such as storage device
conguration, overclocking settings, advanced power management, and boot device
conguration that are needed for system startup in the motherboard CMOS. In normal
circumstances, the default BIOS settings apply to most conditions to ensure optimum
performance. DO NOT change the default BIOS settings except in the following
circumstances:
• An error message appears on the screen during the system startup and requests you
to run the BIOS setup.
• You have installed a new system component that requires further BIOS settings or
update.
• Inappropriate BIOS settings may result to system instability or boot failure. We
strongly recommend that you change the BIOS settings with the help of a trained
service personnel.
• BIOS updating is potentially risky. If there is no problem in using the current BIOS
version, DO NOT manually update the BIOS. Inappropriate BIOS updating may result
to system boot failure.
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