For to do it, I can use some features of my MoBo, but I am afraid of to do something wrong, because I am not an PC expert (far from this. I am very glad with my computer (except by bad noise of stock cooler of my CPU), but I would like to give some 'boost' on it.
Memory: 02 sticks of 512 MB Samsung DDR400 (The Model of my memory is recommended for Asus for Stable Overclock with my MoBo ) I just got my new PC, with the basic following spec: