Introduction to 12-inch PowerBook G4 Developer Note

Specifies the internal design, I/O features, and expansion capabilities of the 12-inch PowerBook G4 introduced in January 2005.

Organization of This Document

The information in this note is arranged in four chapters and two appendixes.

Chapter 1, Overview of the 12-inch PowerBook G4, introduces the 12-inch PowerBook G4 and describes its features.

Chapter 2, Architecture, describes the internal logic of the 12-inch PowerBook G4, 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, RAM Expansion, describes the RAM expansion module.

Appendix A, Supplemental Reference Documents, tells where to find more information about specific technologies used in the new 12-inch PowerBook G4.

Appendix B, Conventions and Abbreviations, lists the standard units and abbreviations used in this developer note.