It is Just easy through Asus
Friends,
It is so Simple, i have updated my bios several time using Asus update,
1). download the latest Bios File on to the desktop or usb drive.
2). Open asus update and select the option update from file.(From the Chipset support DVD)
3). Click next & manually select the file from desktop.
4). Then click Flash on the panel wait till the process to complete.
5). restart on prompt.
Thats it, takes only 3 minutes