User Guide

2-2 Chapter 2: BIOS Information
2.1 Managing and Updating Your BIOS
The following utilities allow you to manage and update the motherboard Basic
Input/Output System (BIOS) setup.
1.
AFUDOS
(Updates the BIOS in DOS mode using a bootable oppy disk.)
2.
ASUS EZ Flash
(Updates the BIOS using a oppy disk during POST.)
3.
ASUS CrashFree BIOS2
(Updates the BIOS using a bootable floppy disk or the
motherboard support CD).
Refer to the corresponding section for each utility.
2.1.1 Creating a bootable oppy disk
1. Do either one of the following to create a bootable oppy disk.
DOS environment
Insert a 1.44MB oppy disk into the drive. At the DOS prompt, type:
format A:/S
then press <Enter>.
Windows
®
XP environment
a. Insert a 1.44MB oppy disk into the oppy disk drive.
b. From your Windows
®
desktop, click on
Start
, then select
My Computer
.
c. Select the
3 1/2 Floppy Drive
icon.
d. Click
File
from the menu, then select
Format
. A
Format 3 1/2 Floppy Disk
window appears.
e. Select
Create an MS-DOS startup disk
from the format options eld, then
click
Start
.
2. Copy the original (or the latest) motherboard BIOS to the bootable oppy disk.
2.1.2 Using AFUDOS to copy the current BIOS
The AFUDOS.EXE utility can also be used to copy the current system BIOS
settings to a oppy or hard disk. The copy can be used as a backup in case the
system BIOS fails or gets corrupted.
1. At the DOS prompt, type the command line:
afudos /o[lename]
where “lename” can be any user-provided lename of not more than eight
alphanumeric characters for the main filename and three alphanumeric
characters for the extension name.
Press <Enter>.
• Save a copy of the original motherboard BIOS le to a bootable oppy disk
in case you need to restore the BIOS in the future. Copy the original
motherboard BIOS using the AFUDOS utility.
• Refer to the system builder’s website for details about updating the BIOS.