How to Write MAC Address of Your Motherboard?
1.
Please open the chassis and you can find a white sticker at the edge of board with 12-digit MAC ID.
2.
Download the MAC tool form following link :
http://www.asrock.com/support/download/mactool.asp
3.
Extract (Unzip) the file as “MAC161B” folder then put entire folder into a bootable USB flash drive root
directory.
4.
Boot up system than press [F11] to enter the Boot Menu, select your USB Flash, afterwards.