x1600 128 mb clock at 310mhz 297mhz on mac is x how i did that... download this program http://thomas.perrier.name/graphiccelerator.html then open /Volumes/Graphiccelerator/Graphiccelerator 1.3.2/Graphiccelerator.app then menu bar> misc> show ati clock freq then voila
i was at the apple store when i tried this
i was at the apple store when i tried this