Asus A55M-A/USB3 - Manual (Page 47)

Chapter 2: BIOS information 2-5
Updating the BIOS file
To update the BIOS file using BIOS Updater
1.
At the FreeDOS prompt, type bupdater /pc /g and press <Enter>.
ASUSTek BIOS Updater for DOS V1.30
Current ROM Update ROM
A:
Note
[Enter] Select or Load [Tab] Switch [V] Drive Info
[Up/Down/Home/End] Move [B] Backup [Esc] Exit
A55M-A-USB3.CAP 8390656 2012-07-13 17:30:48
PATH: A:\
BOARD: A55M-A/USB3
VER: 0202
DATE: 01/13/2013
BOARD: Unknown
VER: Unknown
DATE: Unknown
D:\>bupdater /pc /g
2. The BIOS Updater screen appears as below.
3. Press <Tab> to switch between screen fields and use the <Up/Down/Home/End> keys
to select the BIOS file and press <Enter>. 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 <Enter>. When BIOS update is done, press <ESC> 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 1.30 or later, the utility automatically exits to the DOS
prompt after updating BIOS.
• Ensure to 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.
• Ensure to connect all SATA hard disk drives after updating the BIOS file if you have
disconnected them.