For a description of the version of the Mac OS that comes with the new models, developers should refer to the technote for Mac OS 8.6. Other technotes contain information about the New World software architecture and the API changes for Power Manager 2.0 referred to in Software The technotes are available on the Technote web site at
http://developer.apple.com/technotes/
Developers should also have copies of the relevant books describing the system software for Macintosh computers available in technical bookstores and on the World Wide Web at
http://developer.apple.com/documentation/mac/mac.html