guys im using 1gig ram ddr2 800mhz right now.. and i just bought a 2gig ddr2 ram 800mhz today, my motherboard has 2 slots for ram.. is it ok to put it in and get a 3gig ram result and performance? or it will just gonna read just 1 slot ddr2...im using windows 7 and dualcore processor atm. tyy guys.. or do i just need to get a 2gig ram ddr2 800mhz stick for the 2nd slot (4gig ram total)