hello people!! i jus upgraded my system to-- 1)mainboard -- msi k8ngm2il(nforce 410) 2)ram-- 512 mb 3)amd athlon 64 3200+(939 pin) but the thing is though am dedicating only 64 mb of system ram to the graphics but the graphics memory shows 256 mb!!(though i hv dedicated only 64 mb),when i run dxdiag!!or run any system info software!! is this a problem? plz help plz help people!!