• New Features

• All Features

• External Features

• System Software

• Computer Identification

• NMI without Programmer’s Switch

• Velocity Engine Acceleration

• Block Diagram and Buses

• Block Diagram

• Main ICs and Buses

• Microprocessor and Cache

• PowerPC G4 Microprocessor

• Level 2 Cache

• Memory and I/O Device Controller

• System RAM

• Video Display Subsystem

• Boot ROM

• Ethernet Controller

• FireWire 400 Controller

• Ultra ATA/100 Interface

• EIDE Interface

• Modem Support

• Bluetooth Technology

• Power Controller

• Sound Circuitry

• AirPort Extreme Wireless Support

• USB Interface

• USB Ports

• USB Connectors

• USB Features

• Wake Up From Sleep

• Connect and Resume

• USB Device Drivers

• USB Controller

• FireWire 400 Ports

• FireWire 400 Device Programming

• FireWire 400 Connector

• Target Disk Mode

• Ethernet Port

• Internal Modem

• AirPort Extreme Card

• Data Security

• AirPort Extreme Hardware

• AirPort Extreme Software

• Bluetooth Technology

• Hard Disk Drive

• No Optical Drive

• CD-ROM Drive

• Combo Drive

• SuperDrive

• Video Display

• External Display Port

• Mini Video Display Connector

• Older Monitors Not Supported

• Keyboard

• Keyboard Features

• Keyboard Layout

• MultiMedia Control Keys

• Keyboard and USB

• Mouse

• Sound System

• Sound Inputs

• Built-in Microphone

• External Audio Line-in Jack

• Sound Outputs

• Internal Speakers

• Headphone Jack

• Sound Specifications

• RAM Expansion Slots

• RAM Expansion Modules

• Mechanical Design of RAM DIMMs

• Electrical Design of RAM DIMMs

• DIMM Configurations

• RAM Addressing

• Apple Technical Notes

• 3D Graphics

• PowerPC G4 Microprocessor

• Velocity Engine (AltiVec)

• Mac OS X

• I/O Kit

• Open Firmware

• RAM Expansion Modules

• ATA Interface

• USB Interface

• FireWire Interface

• Wireless Networks

• Bluetooth

• Standard units of measure used in this developer note include: