there are programs you can use but you cant beat doing it in the BIOS. i have a program at home, ill send it later where you chose your motherboard make, model and have to find the number on the crystal and input that. from there you can then click the + or - and i think i intervals of 5 (this is editable tho) you can over or unde clock the processor. of you want ot give it a go reply and ill send later.