: Always burn at the slowest possible speed (e.g., 1x or 4x) to ensure the vintage Mac's CD-ROM drive can read the disc reliably [9, 21].
Apple released Mac OS 9 on October 23, 1999. It was a swan song for the "Classic" codebase that dated back to 1984. While Mac OS X was already in development (and would launch in 2001), Apple continued refining OS 9 for users with older hardware or critical legacy applications. mac os 9.2.2 iso