ASROCK A75 Extreme6 Manual Del Usuario página 20

TM
CrossFire Bridge
Step 5. Connect the DVI monitor cable to the DVI connector on the Radeon graph-
ics card on PCIE2 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.)
20
ASRock A75 Extreme6 Motherboard