Asus P5K3 Deluxe User Manual page 163

To enable CrossFire™:
Set the view to Advance.
1.
2. Click the Crossfire™ item in Graphics Settings.
In the CrossFire™ Settings dialog, tick the box opposite Enable
3.
CrossFire™.
Click OK to effect the setting.
4.
Hotkeys
Click the Hotkeys tab on the Catalyst™ Control Center to access the
Hotkeys Manager, which allows you to create key combinations as shortcuts
for performing certain functions quickly.
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