Asus A88X-PLUS Owner's Manual page 23

Booting the system in DOS environment
To boot the system in DOS:
1. Insert the USB flash drive with the latest BIOS file and BIOS Updater to the USB port.
2. Boot your computer then press <F8> to launch the select boot device screen.
3. When the select boot device screen appears, insert the Support DVD into the optical
drive then select the optical drive as the boot device.
4. When the booting message appears, press <Enter> within five (5) seconds to enter
FreeDOS prompt.
On the FreeDOS prompt, type d: then press <Enter> to switch the disk from Drive C
5.
(optical drive) to Drive D (USB flash drive).
Updating the BIOS file
To update the BIOS file:
On the FreeDOS prompt, type bupdater /pc /g and press <Enter>.
1.
2. On the BIOS Updater screen, press <Tab> to switch from Files panel to Drives panel
then select D:.
Drives
panel
3. Press <Tab> to switch from Drives panel to Files panel then press <Up/Down or Home/
End> keys to select the BIOS file and press <Enter>.
After the BIOS Updater checks the selected BIOS file, select Yes to confirm the BIOS
4.
update.
The BIOS Backup feature is not supported due to security regulations.
Select Yes then press <Enter>. When BIOS update is done, press <ESC> to exit BIOS
5.
Updater.
6. Restart your computer.
DO NOT shut down or reset the system while updating the BIOS to prevent system boot
failure.
Ensure to load the BIOS default settings to ensure system compatibility and stability. Select
the Load Optimized Defaults item under the Exit BIOS menu.
Chapter 2: BIOS information
ASUSTeK BIOS Updater for DOS V1.31 [2014/08/01]
Current ROM
BOARD: A88X-PLUS/USB 3.1
VER: 0205 (H :00 B :00)
DATE: 01/29/2016
PATH: C:\
C: FORMAN~1
D: A88XPU31.CAP
Note
[Enter] Select or Load
[Up/Down/Home/End] Move
Update ROM
BOARD: Unknown
VER: Unknown
DATE: Unknown
<DIR>
8390656 2016-01-29 21:14:34
[Tab] Switch [V] Drive Info
[Esc] Exit
Files panel
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