ASUS P8H77-M Manual Do Utilizador

Chapter 2: BIOS information

2-4

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 <Enter> to switch the disk from  

Drive C (optical drive) to Drive D (USB flash drive).

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.

The succeeding utility screens are for reference only. The actual utility screen displays may 

not be same as shown.

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.

NTFS is not supported under DOS environment. Do not save the BIOS file and BIOS 

Updater to a hard disk drive or USB flash drive in NTFS format.

3. 

Turn off the computer and disconnect all SATA hard disk drives (optional).

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 <F8> to show the 

Select Menu. Insert the support DVD into the optical drive and select the optical drive as the boot 

device.