Prior to 2011, most ASUS motherboards shipped with a text-mode BIOS based on Award or American Megatrends Inc. (AMI) code. These interfaces were limited to 16-bit real mode, could not boot from disks larger than 2.2 TB (MBR limitation), and offered no mouse support.

Upon entering the BIOS (typically by pressing Del or F2 during POST), the user is greeted by one of two primary interfaces:

The utility allows users to monitor and adjust critical system parameters. Key features include:

This is the standard method used during system startup.

This tab controls specific hardware features.

Always check your BIOS version date in the "Main" tab. If it is significantly older than the version on the ASUS support website, using the EZ Flash utility to update it can improve system stability and compatibility with newer CPUs.