Asus P5K-E/WiFi-AP - Manual (Page 162)

6-8 Chapter 6: ATI ® MVP technology support
The Catalyst™ Control Center Dialog Box
View
The Catalyst™ Control Center provides two views:
Standard - simple view with wizards for beginners
Advance - allows advanced users to access and configure the complete
features of the software
Set to Advance view to enable the CrossFire™ function.