For those among you who are not too sure about the BIOS’s exact role :
How BIOS works (How Stuff Works, no date)
What does my computer’s BIOS do ? (Computeractive, 29 Nov. 2010)
The BIOS decrypted (article published in the November 2009 issue of PC Plus) :
« Our detailed guide to each BIOS menu explains the settings you can change, and the ones you really shouldn’t. With a little experimentation you’ll be able to discover useful information about your system, cut its boot time, extend battery life on a laptop and overclock your PC for a performance boost. »