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2.4
ASUS BIOS Updater
The ASUS BIOS Updater allows you to update BIOS in DOS environment. This
utility also allows you to copy the current BIOS file that you can 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 flash drive in FAT32/16
format and single partition.
2.
Download the latest BIOS file and BIOS Updater from the ASUS website at
http://support.asus.com and save them on the USB flash drive.
•
NTFS is not supported under DOS environment. Do not save the BIOS file
and BIOS Updater to a hard disk drive or USB flash drive in NTFS format.
•
Do not save the BIOS file to a floppy disk due to low disk capacity.
3.
Turn off the computer and disconnect all SATA hard disk drives (optional).
Booting the system in DOS environment
1.
Insert the USB flash drive with the latest BIOS file and BIOS Updater to the
USB port.
2.
Boot your computer. When the ASUS Logo appears, press <F8> to show
the BIOS Boot Device Select Menu. Insert the support DVD into the optical
drive and select the optical drive as the boot device.
Please select boot device:
SATA:XXXXXXXXXXXXXXXX
CDROM:XXXXXXXXXXXXXXX
USB:XXXXXXXXXXXXXXXXX
Network:XXXXXXXXXXXXX
↑ and ↓ to move selection
ENTER to select boot device
ESC to boot using defaults
3.
When the Make Disk menu appears, select the FreeDOS command prompt
item by pressing the item number.
4.
At the FreeDOS prompt, type d: and press <Enter> to switch the disk from
Drive C (optical drive) to Drive D (USB flash drive).
Welcome to FreeDOS (http://www.freedos.org)!
C:\>d:
D:\>
ASUS Motherboard installation guide
2-9
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