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This chapter describes the architecture of the PowerBook G4 17-inch computer. It includes information about
the major components on the main logic board: the microprocessor, the other main ICs, and the buses that
connect them to each other and to the I/O interfaces.
Block Diagram and Buses
This section is an overview of the major ICs and buses on the computer’s main logic board.
Block Diagram
Figure 2-1 (page 17) is a simplified block diagram of the main logic board. The diagram shows the input and
output connectors, the main ICs, and the buses that connect them together.
Figure 2-1 Block diagram
Block Diagram and Buses 17
Legacy Document | 2003-03-01 | © 2003 Apple Computer, Inc. All Rights Reserved.
CHAPTER 2
Architecture