Contents

Chapter 1 Introduction

• Features
• Peripheral Devices
• Compatibility Issues
• Legacy I/O Devices Not Present
• USB Ports and Devices
• No Expansion Bay
• RAM Expansion
• System Software
• Machine Identification

Chapter 2 Architecture

• Block Diagram and Buses
• Microprocessor and Cache
• G3 Microprocessor
• Backside Cache
• Memory Controller and Bus Bridge
• System RAM
• Boot ROM
• Ethernet IC
• Graphics IC
• I/O Device Controller
• Ultra ATA Hard Drive
• ATA CD-ROM Drive
• USB Port
• Built-In Modem
• Sound IC
• Power Controller IC
• AirPort Card Wireless LAN Module

Chapter 3 Devices and Ports

• USB Port
• USB Connector
• USB Compatibility Issues
• ADB Compatibility
• Serial Port Compatibility
• Power Off During Sleep
• Macintosh-To-Macintosh Connections
• USB Storage Devices
• USB Controller
• Ethernet Port
• Internal Modem
• AirPort Card Wireless LAN Module
• Data Security
• Hardware Components
• Software Components
• Hard Disk Drive
• Hard Disk Dimensions
• Hard Disk Connector
• Signal Assignments
• ATA Signal Descriptions
• CD-ROM Drive
• Trackpad
• Keyboard
• Removing the Keyboard
• Changing the Operation of the Keyboard
• Keyboard Illustrations
• Using the Fn Key
• Using the Num Lock Key
• The Function-Keys Checkbox
• Operations of the Function Keys
• The Embedded Keypad
• Other Control Keys
• Flat Panel Display
• Sound System
• Headphone Jack
• Internal Speaker
• Internal Modem
• CD-ROM Drive

Chapter 4 RAM Expansion

• The RAM Expansion Slot
• The RAM Expansion Module
• Mechanical Design of the RAM SO-DIMM
• Electrical Design of the RAM SO-DIMM
• SDRAM Devices
• Configuration of RAM SO-DIMMs
• Address Multiplexing
• RAM SO-DIMM Electrical Limits

Chapter 5 Software

• ROM in RAM
• Aspects of the New Approach
• RAM Footprint
• Startup Disk Control Panel
• Data Structures and Files
• Memory Mapping
• Boot Process
• Boot ROM Contents
• Hardware Initialization Code
• Open Firmware
• Interrupts
• Mac OS ROM Image File
• System Software Modifications
• Computer Identification
• Power Saving Modes
• Suspend and Resume
• ATA Manager 4.0
• USB Drivers
• Other New Drivers
• Legacy Drivers
• Floppy Disk Legacy
• ADB Legacy
• SCSI Legacy
• Other New Features
• Sound Software Components
• Keyboard and Key Caps
• Onscreen Display
• Wireless LAN Module

Appendix A Abbreviations