i think ur CPU might be the handi cap here
Minimum System Requirements * 2 GHz processor * 1 GB RAM * 750 MB available hard disk space * Shader version 2.0 capable video card * DirectX 9.0 capable video card * Windows XP SP2, Windows Vista SP1, or Windows 7 (Mac OS is currently not supported) Recommended System Requirements * 3 GHz processor * 1 GB RAM * 750 MB available hard disk space * GeForce 8800 or equivalent video card * Windows XP SP2, Windows Vista SP1, or Windows 7 (Mac OS is currently not supported) -- 9xx SOLDIERS SANS FRONTIERS
