PATHADC Home > Documentation > Hardware > PowerBook Developer Note

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Chapter 1 Introduction

• Features
• Appearance
• Peripheral Devices
• Compatibility Issues
• Earlier PowerBook G3 Computers
• Expansion Bay Modules
• RAM Expansion Modules
• AppleVision Display
• System Software
• Machine 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 Controller
• DMA Support
• Interrupt Support
• USB Interface
• Ultra DMA Interface
• EIDE Interface
• Modem Support
• Sound IC Support
• Power Controller
• Infrared Link Interface
• AirPort Card Interface
• CardBus Controller IC

Chapter 3 Devices and Ports

• USB Ports
• USB Connectors
• Booting from a USB Device
• USB Compatibility Issues
• ADB Compatibility
• Serial Port Compatibility
• Not for Networking
• FireWire Ports
• FireWire Connectors
• FireWire Device Programming
• Ethernet Port
• Internal Modem
• AirPort Card Wireless LAN Module
• Data Security
• Hardware Components
• Software Components
• Infrared Communication Link
• Hard Disk Drive
• Hard Disk Dimensions
• Hard Disk Connector
• Signal Assignments
• ATA Signal Descriptions
• DVD-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
• External Monitors
• Monitors and Picture Sizes
• Monitor Connector
• Monitor Adapter
• External Video Connector
• Sound System
• Sound Inputs
• Built-in Microphone
• External Sound Input
• Modem Activity Sound Signals
• CardBus Sound Input
• Zoomed Video Sound
• Sound Outputs
• External Sound Output
• Internal Speakers
• Digitizing Sound

Chapter 4 Expansion Features

• Expansion Bay
• Mechanical Design of Expansion Bay Modules
• Expansion Bay Connectors
• Signals on the Expansion Bay Connector
• Expansion Bay Signal Definitions
• Unused IDE Signals on the Expansion Bay Connector
• Power on the Expansion Bay Connector
• User Installation of an Expansion Bay Module
• Sequence of Control Signals
• Guidelines for Developers
• RAM Expansion Slots
• Getting Access to the Slots
• Removing the Keyboard
• Removing the Heat Shield
• Mechanical Design of RAM SO-DIMMs
• Electrical Design of RAM SO-DIMMs
• SDRAM Devices
• Configuration of RAM SO-DIMMs
• Address Multiplexing
• RAM SO-DIMM Electrical Limits
• CardBus Slot

Chapter 5 System Software

• ROM in RAM
• Aspects of the New Approach
• RAM Footprint
• Startup Disk Control Panel
• Memory Mapping
• Boot Process
• Hardware Initialization Code
• Open Firmware
• Target Disk Mode
• System Software Support
• 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
• Software DVD Decoding

Appendix A Abbreviations