c3 mobo overclocking help

hello,
as i am a student i dont have much cash, so im using my dad's old mobo

its a pc-chips m787clr with an integrated via c3 giga pro at 733mhz
could anyone give me any tips to overclocking it? i found the pll chip name and tried ajusting the fsb, but i failed miserably, maybe i had it wrong... please help!!

System:
Pc-Chips m787clr w/ c3 giga pro
382mb ram
16mb nvidia tnt2 m64
40x lg cd-rom
Sound Blaster PCI512 sound
350W power supply
yeah i noe its crap.. but eh what u gonna do

 

by the way im runing ms xp sp2

 

I don't even know if you can overclock those VIA procs without any extreme hardware modding ot them. Hell they may be locked fromthe factory. And the PCChips board isn't the best board for overclocking.