For Windows® VistaTM / VistaTM 64-bit / 7 / 7 64-bit OS: (For SLITM and Quad SLITM mode)
A. Click the Start icon on your Windows taskbar.
B. From the pop-up menu, select All Programs, and then click NVIDIA Corporation.
C. Select NVIDIA Control Panel tab.
D. Select Control Panel tab.
E. From the pop-up menu, select Set SLI and PhysX configuration. In Set PhysX GPU acceleration item, please select Enabled. In Select an SLI configuration item, please select Enable SLI. And click Apply.
F. Reboot your system.
G. You can freely enjoy the benefit of SLITM or Quad SLITM feature.