User`s manual

DA-681 Series Hardware User’s Manual BIOS Setup
Upgrading the BIOS
This section describes how to upgrade the bios.
Step 1: Create a Bootable USB Disk.
There are two recommended methods for creating a bootable USB disk:
Method 1: Use HP USB Disk Format Tool
1. Download FreeDOS system files kernel.sys and command.com from
http://www.freedos.org/kernel/
2. Copy DOS system files kernel.sys and command.com to a specified directory (C:\FreeDOS
in this example).
3. Start the HP USB Disk Storage Format Tool and select the USB device that you want to use as
a bootable disk in the Device drop down box.
4. Select FAT in the File system drop down box.
5. Type the disk name in the Volume label field.
6. Check the option Create a DOS startup disk under format options.
7. Specify the directory of the system files (for example, C:\FreeDOS).
8. Click Start to format and create the USB disk.
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