Asus P6TD Deluxe - Manual (Page 170)

5-2 Chapter 5: Multiple GPU technology support
5.1.3 Installing two CrossFireX™ graphics cards
The following pictures are for reference only. The graphics cards and the
motherboard layout may vary with models, but the installation steps remain the
same.
1. Prepare two CrossFireX-ready graphics cards.
2. Insert the two 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
CrossFireX bridge connector to the
goldfingers on each graphics card.
Ensure that the connector is firmly
in place.
Goldfingers
CrossFireX bridge
5. Connect two independent auxiliary
power sources from the power
supply to the two graphics cards
separately.
6. Connect a VGA or a DVI cable to
the graphics card.