Waves has approved the Griffin iMate USB to ADB adapter for use with all USB enabled Macintoshes including the iMac, iBook, Powerbook G3 (Lombard models) and the new Power Macintosh G4. Get more information about the iMate from the Griffin Technology website: www.griffintechnology.com Having problems using the iMate with a USB enabled Mac and the Wavekey? Download this pdf document from Waves that explains it www.waves.com