This is MacOS 9.2.2, release in December 2001. MacOS 9.2.2 is the last version of MacOS based on the original Macintosh operating system.

Please note: this isn't a install CD. This is custom bootable CD with fully working MacOS 9.2.2.

This disk contain two folders:
1) Applications (some original apps and Toast 5)
2) System Folder (system folder)

To install, drag and drop System Folder to hard disk. There should be Apple OS9 driver installed while partitioning the hard disk.

This disk is made specially for eMac G4 800 Mhz (Ati Graphics version) and 100% compatible. This model of eMac won't boot this CD if you change internal CD-ROM to custom DVD-ROM.