if so on amds website it says this:

Radeon® Series Drivers and Software for Mac OS X 10.4.x and 10.3.x

Download Link File Size Version Date Posted Package Includes
ATI Displays Panel 6.94MB 4.5.7 Dec. 14, 2005 ATI Displays Panel
Retail Update 6.94MB N/A Dec. 14, 2005 Drivers and Plug-Ins*

Retail Update not required for Radeon® 9600 PRO PC & Mac Editions