ASRock X79 Extreme11 - Manual (Page 38)

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X79 Extreme11 Motherboard
2.9.1.2 Installing Three CrossFireX TM -Ready Graphics Cards
Step 1. Install identical 3-Way CrossFireX TM -ready graphics cards that are AMD ®
certified because different types of graphics cards will not work together
properly. (Even the GPU chips version shall be the same.) Insert one
graphics card into PCIE1 slot, another graphics card to PCIE3 slot, and
the other graphics card to PCIE5 slot. Make sure that the cards are prop-
erly seated on the slots.
Step 2. Use one CrossFire TM Bridge to connect the Radeon graphics cards on
PCIE1 and PCIE3 slots, and use the other CrossFire TM Bridge to connect
the Radeon graphics cards on PCIE3 and PCIE5 slots. (The CrossFire TM
Bridge is provided with the graphics card you purchase, not bundled with
this motherboard. Please refer to your graphics card vendor for details.)
CrossFire TM Bridge
Step 3. Connect the DVI monitor cable to the DVI connector on the Radeon graph-
ics card on PCIE1 slot. (You may use the DVI to D-Sub adapter to convert
the DVI connector to D-Sub interface, and then connect the D-Sub monitor
cable to the DVI to D-Sub adapter.)
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