Asus P5N-E SLI - Manual (Page 115)

ASUS P5N-E SLI 3-13
5. Align and insert the SLI flexible cable connector to the goldfingers on
each graphics card. Make sure that the connector is firmly in place.
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).
Installing the device drivers
Refer to the documentation that came with your graphics card package to
install the device drivers.
6. Connect a VGA cable or a DVI-I cable to the graphics card installed on
the blue PCI Express slot.
SLI connector