Bios Mods -The Best BIOS Update and Modification Source

Hi folks!
i have an old PC i want to give a way to a kid wanted to boost it as much as possible.
is there some hidden overclock features?
MB: gm865-s? ms6743 v1.1

link to stock bios
http://eu.msi.com/support/mb/865GM2S_LS_...#down-bios

Would be much appreaciated!
/Sushi

Well i helped myself with latest modbin, ty anyway =)