ASUS Z8NA-D6 Series 4-3
4.1 Managing and updating your BIOS
The following utilities allow you to manage and update the motherboard Basic
Input/Output System (BIOS) setup:
1.
AFUDOS utility
(Updates the BIOS in DOS mode using a bootable USB
ash disk drive.)
2.
ASUS CrashFree BIOS 3
(To recover the BIOS using a bootable USB ash
disk drive when the BIOS le fails or gets corrupted.)
Refer to the corresponding sections for details on these utilities.
Save a copy of the original motherboard BIOS le to a bootable
USB ash
disk drive
in case you need to restore the BIOS in the future. Copy the original
motherboard BIOS using the ASUS Update or AFUDOS utilities.
4.1.1 AFUDOS utility
The AFUDOS utility allows you to update the BIOS le in DOS environment using
a bootable USB ash disk drive 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:
The succeeding BIOS screens are for reference only. The actual BIOS screen
displays may not be the same as shown.
1. Copy the AFUDOS utility (afudos.exe) from the motherboard support CD to
the bootable USB ash disk drive 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.
Main lename Extension name
A:\>afudos /oOLDBIOS1.rom
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