3 afudos utility, Copying the current bios – Asus M2N-MX SE User Manual

Page 46

Chapter 2: BIOS setup

2.1.3 AFUDOS utility

The AFUDOS utility allows you to update the BIOS file in DOS environment

using a bootable floppy disk with the updated BIOS file. This utility also

allows you to copy the current BIOS file 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 file using the AFUDOS utility:

Main filename

Extension name

1. Copy the AFUDOS utility (afudos.exe) from the motherboard support

CD to the bootable floppy disk you created earlier.

2. Boot the system in DOS mode, then at the prompt type:

afudos /o[filename]

where the [filename] is any user-assigned filename not more than

eight alphanumeric characters for the main filename and three

alphanumeric characters for the extension name.

A:\>afudos /oOLDBIOS1.rom

• Make sure that the floppy disk is not write-protected and has at

least 1024KB free space to save the file.

• The succeeding BIOS screens are for reference only. The actual BIOS

screen displays may not be same as shown.

The utility returns to the DOS prompt after copying the current BIOS

file.

3. Press . The utility copies the current BIOS file to the floppy

disk.

Reading flash ..... done

Write to file...... ok

A:\>