Asus M4A785TD-V EVO U3S6: 2.1 Managing and updating your BIOS

2.1 Managing and updating your BIOS: Asus M4A785TD-V EVO U3S6

Chapter 2

BIOS information

2.1 Managing and updating your BIOS

Save a copy of the original motherboard BIOS le to a USB ash disk in case you need to

restore the BIOS in the future. Copy the original motherboard BIOS using the ASUS Update

utility.

2.1.1 ASUS Update utility

The ASUS Update is a utility that allows you to manage, save, and update the motherboard

®

BIOS in Windows

environment.

ASUS Update requires an Internet connection either through a network or an Internet

Service Provider (ISP).

This utility is available in the support DVD that comes with the motherboard package.

Installing ASUS Update

To install ASUS Update:

1. Place the support DVD into the optical drive. The

Drivers menu appears.

2. Click the

Utilities tab, then click ASUS Update.

3. Follow the onscreen instructions to complete the installation.

®

Quit all Windows

applications before you update the BIOS using this utility.

Updating the BIOS

To update the BIOS:

®

1. From the Windows

desktop, click Start > Programs > ASUS > ASUS Update >

ASUS Update to launch the ASUS Update utility.

2. From the dropdown list, select either of the following methods:

Updating from the Internet

a. Select Update BIOS from the Internet, then click Next.

b. Select the ASUS FTP site nearest you to avoid network trafc, or click Auto

Select

then click Next.

c. From the FTP site, select the BIOS version that you want to download then click

Next.

ASUS M4A785TD-V EVO 2-1

The ASUS Update utility is capable of updating itself through the Internet. Always update

the utility to avail all its features.

Updating from a BIOS file

a. Select Update BIOS from a le, then click Next.

b. Locate the BIOS le from the

Open window, then click Open.

3. Follow the onscreen instructions to complete the updating process.

2.1.2 ASUS EZ Flash 2 utility

The ASUS EZ Flash 2 feature allows you to update the BIOS without using an OS-based

utility.

Before you start using this utility, download the latest BIOS le from the ASUS website at

www.asus.com.

To update the BIOS using EZ Flash 2:

1. Insert the USB ash disk that contains the latest BIOS le to the USB port, then launch

EZ Flash 2 in either of these two ways:

Press

<Alt> + <F2> during POST to display the following:

ASUSTek EZ Flash 2 BIOS ROM Utility V3.36

FLASH TYPE: MXIC 25L8005

Current ROM

Update ROM

BOARD: M4A785TD-V-EVO

BOARD: Unknown

VER: 0203 (H:00 B:02)

VER: Unknown

DATE: 06/12/2009

DATE: Unknown

PATH: C:\

C:

Note

[Enter] Select or Load [Tab] Switch [V] Drive Info

[Up/Down/Home/End] Move [B] Backup [ESC] Exit

Enter the BIOS setup program. Go to the Tools menu to select EZ Flash 2 and

press <Enter> to enable it.

2. Press

<Tab> to switch between drives until the correct BIOS le is found, then press

<Enter>. EZ Flash 2 performs the BIOS updating process and automatically reboots

the system when done.

This function supports USB ash disks with FAT 32/16 format and single partition only.

DO NOT shut down or reset the system while updating the BIOS to prevent system boot

failure!

2-2 Chapter 2: BIOS information

2.1.3 ASUS CrashFree BIOS 3 utility

The ASUS CrashFree BIOS 3 is an auto recovery tool that allows you to restore the BIOS le

when it fails or gets corrupted during the updating process. You can update a corrupted BIOS

le using the motherboard support DVD or a USB ash disk that contains the updated BIOS

le.

Prepare the motherboard support DVD or the USB ash disk containing the updated

motherboard BIOS before using this utility.

Always connect the SATA cable to the SATA1/2/3/5/6 connector. Otherwise, the utility

will not function.

Recovering the BIOS

To recover the BIOS:

1. Turn on the system.

2. Insert the support DVD or the USB ash disk containing the BIOS le to the optical

drive or USB port.

The utility displays the following message and automatically checks the support DVD

or USB ash disk for the BIOS le.

Bad BIOS checksum. Starting BIOS recovery...

Checking for CD-ROM...

When the BIOS le is found, the utility reads it and starts erasing the corrupted BIOS

le.

Bad BIOS checksum. Starting BIOS recovery...

Checking for CD-ROM...

CD-ROM found!

Reading le “M4A785TD.ROM”. Completed.

Start erasing...

Start programming...

3. Restart the system after the utility completes the updating process.

Only the USB ash disk with FAT 32/16 format and single partition supports ASUS

CrashFree BIOS 3. The device size should be smaller than 8GB.

DO NOT shut down or reset the system while updating the BIOS! Doing so can cause

system boot failure!

The recovered BIOS may not be the latest BIOS version for this motherboard. Download

the latest BIOS le from the ASUS website at www.asus.com.

ASUS M4A785TD-V EVO 2-3