Nvidia TF680i SLI Deluxe User Manual page 116

Installing and Configuring the TF680i S LI Deluxe M otherboard
2. Connect the PCI Express supplementary power connectors from the
system power supply to each of the graphic cards:
3. Install the NVIDIA SLI connector across the two outer graphics cards as
shown below. Each SLI-Ready graphics card has an SLI finger on the upper
side of the card.
102
From Power Supply
Install the SLI connector
onto the two outer cards.