Asus Z87-WS - Manual (Page 170)

6-4 Chapter 6: Multiple GPU technology support
Chapter 5
6.1.5 Installing four CrossFireX™ graphics cards
1. Prepare four CrossFireX-ready graphics cards.
2. Insert the four graphics cards into the PCIEX16 slots. Refer to Chapter 1 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 four
CrossFireX bridge connectors up
to the goldfingers on each graphics
card. Ensure that the connectors are
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.