On each computer, there is always a configuration utility installed to access the BIOS menu. BIOS, short for Basic Input Output System, is used to store configurations that are essential for communication between devices in the system.
If there is no configuration utility, the computer cannot call and use BIOS. Depending on the hardware type that a computer uses, each computer has its own BIOS and configuration utility. UEFI, a similar term, is an improved version of BIOS Legacy mode and it also needs a configuration utility to access it, like BIOS.
Aptio Setup Utility is a kind of BIOS setup utility that is developed by American Megatrends. And it comes bundled with almost all ASUS computers including laptops and desktops. This utility can be called on the startup of your computer and it is a great way to customize communication between your devices.
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