Hi, please help me. Sorry, maybe this topic already been posted by other people My MB is Abit AN9 32x RAM DDR2-800 1GB KINGSTON 2X PROCESSOR AMD ATHLON 2000MHZ ??? its that true ? Here is the problem : my com only use Low - then - half of the memory Example : I played mediaval total war2 and it stuck! when icheck, it only use 400mb of ram in computer properties, use Windows xp sp2, it says 2gb of ram Does anyone knows how to optimalize my ram ? Thank you! Sorry if i post in wrong place. Still newbie.