http://forum.beyond3d.com/showpost.p...postcount=1434

Quote Originally Posted by Pressure View Post
It seems drivers are already present for R9xx in the newest Mac OS X 10.6.5 beta.

ATIRadeonX3000.kext (and other relevant kexts) has the following devices listed.
ATIRadeonX3000AMDCaymanHardware
ATIRadeonX3000AMDBartsHardware
ATIRadeonX3000AMDTurksHardware
ATIRadeonX3000AMDCaicosHardware