3 afudos utility, Copying the current bios – Asus M3N78-CM User Manual

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ASUS M3N78-CM

2-5

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 DVD 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

• Ensure 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:\>