Asus P9X79 WS - Manual (Page 178)

5-8 Chapter 5: Multiple GPU technology support
5.2.4 Installing four SLI-ready graphics cards
1. Prepare four SLI-ready graphics cards.
2. Insert the four graphics card into the PCIEX16 slots. If your motherboard
has more than two PCIEX16 slots, refer to Chapter 2 in this user manual
for the locations of the PCIEX16 slots recommended for multi-graphics card
installation.
3. Ensure that the cards are properly seated on the slots.
4. Align and firmly insert the 4-Way SLI bridge connector to the goldfingers on
each graphics card. Ensure that the connector is firmly in place.
5. Connect four independent auxiliary power sources from the power supply to
the four graphics cards separately.
6. Connect a VGA or a DVI cable to the graphics card.
4-Way SLI bridge