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2-4 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.
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 “M4A78EM.ROM”. Completed.
Start erasing...
Start programming...
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.
• 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!
3. Restart the system after the utility completes the updating process.
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.