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Contents
Introduction
Introduction to PowerBook G4 17-inch 9
Organization of This Document 9
Chapter 1
Overview of PowerBook G4 17-inch 11
PowerBook G4 17-inch Features 11
Appearance 12
Peripheral Devices 14
System Software 14
Open Firmware 14
Computer Identification 14
Power Saving Features 15
Chapter 2
Architecture 17
Block Diagram and Buses 17
Block Diagram 17
Main ICs and Buses 18
Microprocessor and Caches 18
PowerPC G4 Microprocessor 18
Level 2 Cache 19
Level 3 Cache 19
Intrepid Controller and Buses 19
System RAM 20
Boot ROM 20
FireWire Controllers 20
Ethernet Controller 20
Video Display Subsystem 20
I/O Controller 21
DMA Support 21
Interrupt Support 22
USB Interface 22
Ultra ATA-100 Interface 22
ATA-33 Interface 22
Modem Support 22
Sound Circuitry 23
Power Controller 23
AirPort Extreme Interface 23
CardBus Controller IC 24
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Legacy Document | 2003-03-01 | © 2003 Apple Computer, Inc. All Rights Reserved.