Technical information

11
PREFACE
About This Developer Note
This developer note is a technical description of the PowerBook G3 Series 1999
computer, with the emphasis on the features that are new or different from
those of earlier PowerBook computers.
This developer note is intended to help hardware and software developers
design products that are compatible with the Macintosh products described
here. If you are not already familiar with Macintosh computers or if you would
like additional technical information, you may wish to read the supplementary
reference documents described in this preface.
Contents of This Note 0
The information in this note is arranged in five chapters and an appendix.
■
Chapter 1, “Introduction,” introduces the new PowerBook G3 Series
computer and describes its features.
■
Chapter 2, “Architecture,” describes the internal logic of the computer,
including the main ICs that appear in the block diagram.
■
Chapter 3, “Devices and Ports,”describes the standard I/O ports and the
built-in I/O devices.
■
Chapter 4, “Expansion Features,” describes the expansion features of interest
to developers. It includes development guides for expansion-bay devices, the
RAM expansion modules, and the PC Card slot.
■
Chapter 5, “System Software,” describes the system software that comes with
the computer, with emphasis on the new Open Firmware features.
■ Appendix A is a list of the abbreviations used in this developer note.