Asus Z77-A - Manual (Page 52)

Chapter 2: BIOS information 2-6
Updating the BIOS file
To update the BIOS file using BIOS Updater
1.
At the FreeDOS prompt, type bupdater /pc /g and press .
ASUSTek BIOS Updater for DOS V1.18
Current ROM Update ROM
A:
Note
[Enter] Select or Load [Tab] Switch [V] Drive Info
[Up/Down/Home/End] Move [B] Backup [Esc] Exit
Z77-A.ROM 4194304 2012-12-03 17:30:48
PATH: A:\
BOARD: Z77-A
VER: 0206
DATE: 12/02/2012
BOARD: Unknown
VER: Unknown
DATE: Unknown
D:\>bupdater /pc /g
2. The BIOS Updater screen appears as below.
3. Press to switch between screen fields and use the keys
to select the BIOS file and press . BIOS Updater checks the selected BIOS file
and prompts you to confirm BIOS update.
Are you sure to update BIOS?
Yes No
4. Select Yes and press . When BIOS update is done, press to exit BIOS
Updater. Restart your computer.
DO NOT shut down or reset the system while updating the BIOS to prevent system boot
failure!
• For BIOS Updater version 1.04 or later, the utility automatically exits to the DOS
prompt after updating BIOS.
• Load the BIOS default settings to ensure system compatibility and stability. Select the
Load Optimized Defaults item under the Exit menu. Refer to section 2.9 Exit menu
for details.
• Reconnect all SATA hard disk drives after updating the BIOS file if you have
disconnected them.