For more information about the technologies mentioned in this developer note, you may wish to consult some of the following references.
Apple publishes a series of tech notes--short documents addressing specific topics. The technotes are available on the Technote web site at
http://developer.apple.com/technotes/
For information about older models of Macintosh computers, refer to the developer notes archive at:
http://developer.apple.com/techpubs/hardware/hardware2.html.
You 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/techpubs/mac/mac.html