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Chapter 2: BIOS information 2-3
2.1.3 ASUS BIOS Updater
The ASUS BIOS Updater allows you to update the BIOS in a DOS environment. This utility
also allows you to copy the current BIOS le for use as a backup when the BIOS fails or gets
corrupted during the updating process.
The succeeding utility screens are for reference only. The actual utility screen displays may
not be same as shown.
Before updating BIOS
1. Prepare the motherboard support DVD and a USB ash drive formatted using
FAT16/32 on a single partition.
2. Download the latest BIOS le and BIOS Updater from the ASUS website at
http://support.asus.com and save them on the USB ash drive.
NTFS is not supported under a DOS environment. Do not save the BIOS le and BIOS
Updater to a hard disk drive or USB ash drive formatted using NTFS.
3. Turn off the computer and disconnect all SATA hard disk drives (optional).
Booting the system in DOS environment
1. Insert the USB ash drive with the latest BIOS le and BIOS Updater into the USB port.
2. Boot up your computer. When the ASUS Logo appears, press <F8> to access the
BIOS Boot Device Select Menu. Insert the support DVD into the optical drive and
select the optical drive as the boot device.
• This function supports USB ash disks formatted using FAT 16/32 format on a single
partition.
• DO NOT shut down or reset the system while updating the BIOS to prevent system boot
failure!
3. Press <Tab> to switch to the Drive eld.
4. Press the Up/Down arrow keys to nd the USB ash disk that contains the latest BIOS,
and then press <Enter>.
5. Press <Tab> to switch to the
Folder Info eld.
6. Press the Up/Down arrow keys to nd the BIOS le, and then press <Enter> to perform
the BIOS update process. Reboot the system when the update process is done.
Please select boot device:
SATA: XXXXXXXXXXXXXXXX
USB XXXXXXXXXXXXXXXXX
UEFI: XXXXXXXXXXXXXXXX
Enter Setup
↑and ↓ to move selection
ENTER to select boot device
ESC to boot using defaults