Asus Motherboard A8N-SLI Premium - Manual (Page 174)

6-6 Chapter 6: NVIDIA ® SLI™ technology support
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.
7. Connect a VGA cable or a DVI-I cable to the graphics card installed on
the blue PCI Express slot.
6.2.3 Installing the ASUS AI Selector utility
Install the ASUS AI Selector utility using the motherboard support CD.
Follow the steps described in section “5.2.3 Utilities menu” to install the
ASUS AI Selector utility.