On my older system P4 2.8 , Corsiar XMS Dual Channel 2x256 =512 mb memory , evga 6800 8 x AGP / 3Dmark03 = 9008 / 3Dmark05 = 3339 using Global DS .I used the 3dmark 03 DS but only yielded a score of 9013 on 03 . See what your system will do with only 512 mb of memory . Is your sytem running in 4x or 8x AGP ?