ATI Catalyst 5.4 Released with x64 Support
 

ATI today released their updated version of the Cataylist driver set, which now supports x64.

Known Issues for Windows XP Professional x64 Edition. Installing two display adapters into a system and attempting to play an OpenGL application on the secondary display device currently results in the application failing to play properly.

The version number is currently unavailable when selecting support information for the ATI Control Panel found in the Add/Remove programs

News source: ieXbeta
Full story: View Here