ASROCK Z68 EXTREME4 - ANNEXE 541 Manual page 24

2.6.1.2 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.)
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-Ready Graphics Cards
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Bridge to connect Radeon graphics cards on PCIE2
ASRock Z68 Extreme4 Motherboard
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Bridge to connect Radeon
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Bridge is provided