ASROCK FATAL1TY P67 PROFESSIONAL Series User Manual page 32

2.8.1.2 Installing Three CrossFireX
Step 1. Install one Radeon graphics card to PCIE2 slot. For the proper installation
procedures, please refer to section "Expansion Slots".
Step 2. Install one Radeon graphics card to PCIE4 slot. For the proper installation
procedures, please refer to section "Expansion Slots".
Step 3. Install one Radeon graphics card to PCIE5 slot. For the proper installation
procedures, please refer to section "Expansion Slots".
Step 4. Use one CrossFire
and PCIE4 slots, and use the other CrossFire
graphics cards on PCIE4 and PCIE5 slots. (CrossFire
with the graphics card you purchase, not bundled with this motherboard.
Please refer to your graphics card vendor for details.)
TM
-Ready Graphics Cards
TM
Bridge to connect Radeon graphics cards on PCIE2
TM
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Bridge to connect Radeon
TM
Bridge is provided