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BUPDATER BIOS Upgrade Procedure

ASUS BIOS Updater
The ASUS BIOS Updater allows you to update BIOS in DOS environment. This utility also allows you to copy the current BIOS file that you can use as a backup when the BIOS fails or gets corrupted during the updating process.

Before updating BIOS
1. Prepare the motherboard support DVD and a USB flash drive in FAT32/16 format and single partition.
2. Download the latest BIOS file and BIOS Updater from the ASUS website at http://support.asus.com and save them on the USB flash drive.

3. Turn off the computer and disconnect all SATA hard disk drives (optional).
Booting the system in DOS environment
1. Insert the USB flash drive with the latest BIOS file and BIOS Updater to the USB port.
2. Boot your computer. When the ASUS Logo appears, press to show the BIOS Boot Device Select Menu. Insert the support DVD into the optical drive and select the optical drive as the boot device.

3. When the Make Disk menu appears, select the FreeDOS command prompt item by pressing the item number.
4. At the FreeDOS prompt, type d: and press to switch the disk from
Drive C (optical drive) to Drive D (USB flash drive).

Backing up the current BIOS
To backup the current BIOS file using the BIOS Updater

1. At the FreeDOS prompt, type bupdater /o[filename] and press .

The [filename] is any user-assigned filename with no more than eight alphanumeric characters for the filename and three alphanumeric characters for the extension.

2. The BIOS Updater backup screen appears indicating the BIOS backup process. When BIOS backup is done, press any key to return to the DOS prompt.

 

Updating the BIOS file
To update the BIOS file using BIOS Updater

1. At the FreeDOS prompt, type bupdater /pc /g and press .

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.

4. Select Yes and press . When BIOS update is done, press to exit BIOS Updater. Restart your computer.


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