Apple has released a new DVD-ROM firmware update for the iMac and Cubes that shipped with built-in DVD drives.
The iMac/Cube DVD-ROM Update places new firmware on the Apple DVD-ROM drive installed in iMac DV+, iMac DV Special Edition, and Power Mac G4 Cube computers. This update improves the audio extraction performance of your DVD-ROM drive.
Apple’s new update requires Mac OS 9.0.4 or later.
Download Apple DVD-ROM firmware 1.1