Disable physx on gt9400

[EqualWin]

i heard if i disable physx will improved my fps!

and idk how to disable it on gt9400

i tried nvidia control panel -> set physx config>Select a physx processor_> and there is 3 option auto-select (recommended),Geforce 9400 gt , Cpu

[moaradin]

Only on PhysX games.. which is a very small list.