ASROCK 870 EXTREME3 User Manual page 23

Although you have selected the option "Enable CrossFire
function may not work actually. Your computer will automatically reboot. After
restarting your computer, please confirm whether the option "Enable
TM
CrossFire " in "ATI Catalyst Control Center" is selected or not; if not, please
select it again, and then you are able to enjoy the benefit of CrossFireX
feature.
Step 7. You can freely enjoy the benefit of CrossFireX
feature.
* CrossFireX TM appearing here is a registered trademark of ATI
used only for identification or explanation and to the owners' benefit, without intent to infringe.
* For further information of ATI
updates and details.
TM CrossFireX TM technology, please check AMD website for
2 3 2 3 2 3 2 3 2 3
TM ", the CrossFireX
TM
TM
or Quad CrossFireX
TM Technologies Inc., and is
TM
TM