CONFIGURING SLI
Enabling / Disabling SLI
1  Once you have the NVIDIA Control Panel open, click on  
Configure SLI, Surround, PhysX in the left task pane.
2  Select from the following multi-GPU configurations: 
 > Maximize 3D performance 
Select this mode when you want your graphics cards to work to-
gether to increase your rendering performance and image quality.
 > Acivate all displays 
Activate all displays disables SLI and activates all connected 
displays (heads).
 > PhysX settings 
PhysX settings switches which GPU runs PhysX and can also 
dedicate a GPU to PhysX only.
 > Disable SLI 
Default Selection.
3  Click Apply.