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Contents
Figures and Tables
Preface
About This Developer Note
Chapter 1
Introduction
New Features
All Features
External Features
System Software
ROM In RAM
Computer Identification
Chapter 2
Architecture
Block Diagram and Buses
Block Diagram
Main ICs and Buses
Microprocessor and Cache
G3 Microprocessor
Backside Cache
Memory Controller and Bus Bridge
System RAM
Boot ROM
FireWire Controller
Ethernet Controller
Video Display Subsystem
I/O Device Controller
DMA Support
Interrupt Support
USB Interface
Ultra DMA Interface
Modem Support
Sound IC Support
Power Controller
Wireless LAN Module
Chapter 3
Devices and Ports
USB Ports
USB Connectors
USB Features
Power Off During Sleep 32
Connect and Resume
USB Storage Devices 32
USB Controller 32
FireWire Ports
FireWire Connector
Target Disk Mode
Ethernet Port
Internal Modem
AirPort Card Wireless LAN Module
Data Security
Hardware Components
Software Components
Hard Disk Drive
CD-ROM Drive
DVD-ROM Drive
Video Display
Video Monitor Port
Monitor Connector
Keyboard
Keyboard Features
Keyboard Layout
Programming the Function Keys
Multi-Media Control Keys
Keyboard and USB
Mouse
Sound System
Sound Inputs
Built-in Microphone
External Sound Input Jack
Sound Outputs
Internal Speakers
External Sound Output
Headphone Jacks
Sound Specifications
Chapter 4
RAM Expansion
RAM Expansion Slots
RAM Expansion Modules
Mechanical Design of RAM DIMMs
Electrical Design of RAM DIMMs
DIMM Configurations
RAM Addressing
Appendix A
Supplemental Reference Documents
3D Graphics
PowerPC G3 Microprocessor
Mac OS 9
ROM-in-RAM Architecture
Open Firmware
RAM Expansion Modules
ATA Devices
USB Interface
FireWire Interface
Appendix B
Abbreviations
© 2000 Apple Computer, Inc. (Last Updated 01 Aug 00)