Asus P6T - Manual (Page 179)

ASUS P6T 5-3
5.1.4 Installing three CrossFireX graphics cards
1. Prepare three CrossFireX-ready graphics cards.
2. Insert the three graphics card into the PCIEX16 slots. If your motherboard
has more than three 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 two
CrossFireX bridge connectors to the
goldfingers on each graphics card.
Ensure that the connectors are firmly
in place.
5. Connect three independent auxiliary
power sources from the power
supply to the three graphics cards
separately.
6. Connect a VGA or a DVI cable to the
graphics card.