User’s Manual

2-3
2.3 ASUS EZ Flash 3
The ASUS EZ Flash 3 feature allows you to update the BIOS without using an OS-based
utility.
Ensure to load the BIOS default settings to ensure system compatibility and stability. Select
the Load Optimized Defaults item under the Exit menu or press hotkey <F5>.
To update the BIOS:
This function can support devices such as a USB flash disk with FAT 32/16 format and
single partition only.
DO NOT shut down or reset the system while updating the BIOS to prevent system
boot failure!
1. Insert the USB flash disk that contains the latest BIOS le to the USB port.
2. Enter the Advanced Mode of the BIOS setup program. Go to the Tool menu to select
ASUS EZ Flash 3 Utility and press <Enter>.
3. Press the Left/Right arrow keys to switch to the Drive eld.
4. Press the Up/Down arrow keys to nd the USB flash disk that contains the latest BIOS,
and then press <Enter>.
5. Press the Left/Right arrow keys to switch to the Folder eld.
6. Press the Up/Down arrow keys to nd the BIOS le, and then press <Enter> to perform
the BIOS update process. Reboot the system when the update process is done.
PRIME B660M-A AC D4