UEFI: Difference between revisions

A common misconception is that UEFI and BIOS are mutually exclusive. In reality, both legacy motherboards and UEFI-based motherboards comeboth withinclude BIOS ROMs, which contain firmware that performs the initial power-on configuration of the system before loading some third-party code into memory and jumping to it. The differences betweenare legacy BIOS firmware and UEFI BIOS firmware arein where they find thatthe codebootloader/OS, how they prepare the system before jumping toexecuting it, and what convenience functions they provide for the code to call while runningit.