Computer Hardware User Manual
ASUS P5Q-EM DO 2-1
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. ASUS EZ Flash 2 (Updates the BIOS using a oppy disk or USB ash disk.)
2. ASUS AFUDOS (Updates the BIOS in DOS mode using a bootable oppy disk.)
3. ASUS CrashFree BIOS 3 (Updates the BIOS using a oppy disk, USB ash disk, or
the motherboard support DVD when the BIOS le fails or gets corrupted.)
4. ASUS Update (Updates the BIOS in Windows
®
environment.)
Refer to the corresponding sections for details on these utilities.
2.1.1 Creating a bootable oppy disk
1. Do either one of the following to create a bootable oppy disk.
DOS environment
a. Insert a 1.44MB oppy disk into the drive.
b. At the DOS prompt, type format A:/S then press <Enter>.
Windows
®
XP environment
a. Insert a 1.44 MB oppy disk to the oppy disk drive.
b. Click Start from the Windows
®
desktop, 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 le to the bootable oppy disk.
Windows
®
Vista environment
a. Insert a formatted, high density 1.44 MB oppy disk to the oppy disk drive.
b. Click from the Windows
®
desktop, then select Computer.
c. Right-click Floppy Disk Drive then click Format to display the Format 3 1/2
Floppy dialog box.
d. Select the Create an MS-DOS startup disk check box.
e. Click Start.
Save a copy of the original motherboard BIOS le to a bootable oppy disk or a USB ash
disk in case you need to restore the BIOS in the future. Copy the original motherboard
BIOS using the ASUS Update or AFUDOS utilities.
Disable the ME function before updating the BIOS. Refer to page 1-26 for details on how to
enable/disable the ME function.
P5Q-EM DO.indb 1 12/9/08 12:35:04 PM