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ASUS P4B533-X motherboard
2-5
2.1.4 Using ASUS EZ Flash to update the BIOS
The ASUS EZ Flash feature allows you to easily update the BIOS without
having to go through the long process of booting from a floppy disk and
using a DOS-based utility. The EZ Flash is built-in the BIOS LPC chip so it
is accessible by simply pressing <Alt+F2> during the Power-On Self Tests
(POST).
To update the BIOS using ASUS EZ Flash:
1. Visit the ASUS website (www.asus.com) to download the latest BIOS file for
your motherboard and rename it to P4B533X.ROM. Save the BIOS file to a
floppy disk.
2. Reboot the system.
3. To launch EZ Flash, press <Alt+F2> during POST to display the following.
4. Insert the floppy disk that contains the BIOS file. If the P4B533X.ROM file is
found in the floppy disk, EZ Flash performs the BIOS update process and
automatically reboots the system when done.
DO NOT shutdown or reset the system while updating the BIOS! Doing so may
cause system boot failure!
User recovery requested. Starting BIOS recovery...
Checking for floppy...
Floppy found!
Reading file “P4B533X.rom”. Completed.
Start flashing...
Flashed successfully. Rebooting.
User recovery requested. Starting BIOS recovery...
Checking for floppy...
If there is no floppy disk found in the drive, the error message “Floppy not
found!” appears.
If the correct BIOS file is not found in the floppy disk, the error message
“P4B533X.ROM not found!”
If the Checksum error message appears, load the setup default in the BIOS.