Updating the BIOS file

To update the BIOS file using BIOS Updater:

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

D:\>bupdater /pc /g

2.The BIOS Updater screen appears as below.

ASUSTek BIOS Updater for DOS V1.30 [2012/12/22]

FLASH TYPE: MX1C 25L1065A

 

Current ROM

Update ROM

BOARD:M5A99X EVO R2.0

BOARD:UNKNOWN

VER: 0204

VER: UNKNOWN

DATE: 08/05/2010

DATE: UNKNOWN

PATH: A:\

 

A:M5A99XEVO.CAP 2097152 2012-01-06 17:30:48

 

Note

Select or Load

[Tab] Switch

[V] Drive Info

 

[Enter]

[Up/Down/Home/End] Move

[B] Backup

[Esc] Exit

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 1.04 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 BIOS menu. See Chaper 3 of your motherboard user manual for details.

Ensure to connect all SATA hard disk drives after updating the BIOS file if you have disconnected them.

Chapter 3

ASUS M5A99X EVO R2.0

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