What is a BIOS anyway?
A. BIOS is an acronym for Basic Input/Output System. It is a program that stores configuration details about your computer hardware and enables your computer to boot up. Every time your computer is switched on the BIOS loads configuration data into main memory, performs a routine diagnostic test on your hardware, then loads the operating system. Click thsi link for more details on the Basic Input Output System.The BIOS resides in a ROM chip, which is mounted on the motherboard, usually in a socket so it is removable.