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2-4 Chapter 2: BIOS Setup
• This function can support devices such as USB ash disk, or oppy
disk with FAT 32/16 format only.
• Do not shut down or reset the system while updating the BIOS to
prevent system boot failure!
2.1.3 AFUDOS utility
The AFUDOS utility allows you to update the BIOS le in DOS environment
using a bootable oppy disk with the updated BIOS le. This utility also
allows you to copy the current BIOS le that you can use as backup when
the BIOS fails or gets corrupted during the updating process.
Copying the current BIOS
To copy the current BIOS le using the AFUDOS utility:
Main filename Extension name
1. Copy the AFUDOS utility (afudos.exe) from the motherboard support
CD to the bootable oppy disk you created earlier.
2. Boot the system in DOS mode, then at the prompt type:
afudos /o[lename]
where the [lename] is any user-assigned lename not more than
eight alphanumeric characters for the main lename and three
alphanumeric characters for the extension name.
A:\>afudos /oOLDBIOS1.rom
• Make sure that the oppy disk is not write-protected and has at
least 1024KB free space to save the le.
• The succeeding BIOS screens are for reference only. The actual BIOS
screen displays may not be same as shown.
3. Press <Enter>. The utility copies the current BIOS le to the oppy
disk.
(2) Enter BIOS setup program. Go to the
Tools menu to select EZ
Flash2 and press <Enter> to enable it.
You can switch between drives by pressing <Tab> before the
correct le is found. Then press <Enter>.
4. When the correct BIOS file is found, EZ Flash 2 performs the BIOS
update process and automatically reboots the system when done.