ASRock Fatal1ty X79 Professional - Manual (Page 31)

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Fatal1ty X79 Professional Series Motherboard
2.6.1.3 Installing Four CrossFireX TM -Ready Graphics Cards
Step 1. Install the identical 4-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 into PCIE2 slot,
the third graphics card into PCIE4 slot and the last graphics card into
PCIE5 slot. Make sure that the cards are properly seated on the slots.
Step 2. Use one CrossFire TM Bridge to connect Radeon graphics cards on PCIE1
and PCIE2 slots, another CrossFire TM Bridge to connect Radeon graphics
cards on PCIE2 and PCIE4 slots, and use the third CrossFire TM Bridge to
connect Radeon graphics cards on PCIE4 and PCIE5 slots. (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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