Quote Originally Posted by wyemarn View Post
From the documention, If there is more than 1 CUDA capable GPU in the system, there is an option to select either one of them for PhysX. In that documentation, GTX 280 is the primary GPU and 8800 GTS 512 is used for PhysX.
And you can do this with an Intel chipset based motherboad as far as i remember . CUDA doesn't care about SLI .