yeah ur 3dmark score is pretty poor even when compared to my specs:
MD Athlon 1900+
256Mb 2100 DDR
Gigabyte 7VRXP Rev 2.0
40Gb HD
8.2Gb HD
32Mb TNT2
not o/c with no detonator drivers, jus 30.82
score is 3009 as benchmarked today, no O/C
ur fps are really low:
Game 1 Car Chase - Low Detail 10.5 FPS - i get about 40
Game 1 Car Chase - High Detail 2.5 FPS - 20
Game 2 Dragothic - Low Detail 34.8 FPS - same
Game 2 Dragothic - High Detail 13.2 FPS - 20
Game 3 Lobby - Low Detail 45.7 FPS -about same
Game 3 Lobby - High Detail 19.8 FPS - 30
so its ur video card i think or not the right drivers, what version of Windows are u running, without XP i had about 2500 points, with 3000, with better spec-ed computer the jump might be bigger
hope this helps