ASROCK P55 Extreme User Manual page 29

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 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
Step 7. You can freely enjoy the benefit of CrossFireX
Quad CrossFireX
TM
* CrossFireX 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 feature.
TM TM
CrossFireX technology, please check AMD website for
2 9 2 9 2 9
2 9 2 9
TM ", the CrossFireX TM
TM "
TM feature.
TM , 3-Way CrossFireX TM or
TM
Technologies Inc., and is