Specifications

Important: This document may not represent best practices for current development. Links to downloads
and other resources may no longer be valid.
This developer note describes the 64-bit Power Mac G5. The note provides information about the internal
design of the computer, its input-output and expansion capabilities, and issues affecting compatibility.
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 simply like additional technical information, refer to Appendix A, Supplemental Reference
Documents, (page 64) for additional information.
Organization of This Document
The information is arranged in four chapters and two appendixes:
●
Chapter 1, Overview to the Power Mac G5, (page 8) gives a summary of the features of the Power Mac
G5 computer, describes the physical appearance of the enclosure, and lists compatibility issues of interest
to developers.
●
Chapter 2, Architecture, (page 17) describes the internal organization of the computer. It includes a
functional block diagram and descriptions of the main components on the logic board.
●
Chapter 3, Input and Output Devices, (page 30) describes the built-in I/O devices and the external I/O
ports.
●
Chapter 4, Expansion, (page 57) describes the expansion slots on the logic board and provides specifications
for the expansion modules.
●
Appendix A, Supplemental Reference Documents, (page 64) provides sources of additional information
about the technologies used in the Power Mac G5 computer.
●
Appendix B, Conventions and Abbreviations, (page 69) lists standard units of measure and other
abbreviations used in this developer note.
Retired Document | 2005-04-29 | Copyright © 2003, 2005 Apple Computer, Inc. All Rights Reserved.
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Introduction to Power Mac G5 Developer Note