ASUS P9DE4L Manual Do Utilizador

ASUS P9D-E/4L

4-5

The succeeding BIOS screens are for reference only. The actual BIOS screen displays may 
not be the same as shown.

The BUPDATER utility allows you to update the BIOS file in DOS environment 
using a bootable USB flash disk drive with the updated BIOS file.
Updating the BIOS file
To update the BIOS file using the BUPDATER utility:

1. 

Visit the ASUS website at www.asus.com and download the latest BIOS file 
for the motherboard. Save the BIOS file to a bootable USB flash disk drive.

2. 

Download the BUPDATER utility (BUPDATER.exe) from the ASUS support 
website at support.asus.com to the bootable USB flash disk drive you created 
earlier.

3. 

Boot the system in DOS mode, then at the prompt, type:

 

BUPDATER /i[filename].CAP
where [filename] is the latest or the original BIOS file on the bootable USB 
flash disk drive, then press <Enter>.

7. 

Reboot the system when the update process is done.

• 

This function can support devices such as a USB flash disk 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!

Ensure to load the BIOS default settings to ensure system compatibility and stability. Press 
<F5> and select 

Yes to load the BIOS default settings.