Asus M2N4-SLI - Manual (Page 137)

ASUS M2N4-SLI 6-5
Make sure that your PCI Express graphics card driver supports the
NVIDIA SLI technology. Download the latest driver from the NVIDIA
website (www.nvidia.com).
6.2.2 Installing the device drivers
Refer to the documentation that came with your graphics card package to
install the device drivers.
NVIDIA Settings icon
To enable the multi-GPU feature:
1. Click the NVIDIA Settings icon
on your Windows taskbar.
2. From the pop-up menu, select
nView Desktop Manager then
click nView Properties.
6.2.3 Enabling the multi-GPU feature in Windows
After installing your graphics cards and the device drivers, enable
the Multi-Graphics Processing Unit (GPU) feature in the NVIDIA nView
properties.
3. From the nView Desktop
Manager window, select the
Desktop Management tab.
4. Click Properties to display the
Display Properties dialog box.