Personally I prefer overclocking from BIOS as you know exactly what the hell you have done (what chipset voltages have been changed for instance)
If you attempt overclocking your board, your gonna need to make sure that it has dividers for the AGP/PCI frequencies.
The reason you need the dividers is because altering the FSB (the only way to overclock Intel systems that arent using a pre release chip) also affects the speed that other peripherals run at. Some modern peripherals can cope with higher frequencies to a certain extent, but most simply corrupt. Using the dividers locks the frequencies at standard but lets the FSB be changed.
As I mentioned over on Esato, you have the 133 FSB version processor.(P4 "B")
As you bought PC 2700 (DDR 333), this leaves you 33 Mhz on the FSB to play with. By running a FSB of 166 (DDR 333) you should get a core speed of roughly 2.8 Ghz.
You may need to adjust vDim, vCore or NB voltages if you get errors.
If you need anymore help, just ask
