BIOS update procedure
Create a system boot disk using a USB flash drive.
Download the file with the new BIOS version (WinZip format with .zip extension) from the site, unzip it and copy the contents to the boot disk that you created earlier.
Boot the system from the floppy disk prepared in step 2.
In response to the invitation "A:\ "type AFUDOS, press the space bar once and enter the BIOS file name, then press [Enter]. For example: A:\AFUDOS ANF7R301. 00 [Enter] After that, you will see the message "Please wait for BIOS loading ROM".
After 30 seconds, you will see the message "Program ended normally", which means that the BIOS update is finished.
When the BIOS update process is complete, restart the system and press [F2] to enter the BIOS settings during boot.
In the Exit menu, select "Load Default Settings" and press [Enter] to continue.
Select "Exit Saving Changes" and press [Enter] to exit the BIOS setup utility.
Now, your system is booting up with a new BIOS version.