ASROCK A770CrossFire Guide D'installation Rapide page 18

Step 5. Push the card down into the retention slot till both the retention arms firmly
hold the card into position. Also, keep away from touching the connectors
(Golden Fingers).
Step 6. Install one Radeon graphics card to PCIE2 slot. For the proper installation
procedures, please refer to section "Expansion Slots".
Step 7. Install the other Radeon graphics card to PCIE3 slot. For the proper installa-
tion procedures, please refer to section "Expansion Slots".
Step 8. Connect two Radeon graphics cards by installing two CrossFire
on CrossFire
TM
(CrossFire
bundled with this motherboard. Please refer to your graphics card vendor
for details.)
CrossFire
1 8 1 8 1 8
1 8 1 8
ASRock
TM Bridge Interconnects on the top of Radeon graphics cards.
Bridge is provided with the graphics card you purchase, not
TM
Bridge
A770CrossFire Motherboard
TM
Bridge