• New Features

• Feature Set

• Comparison of 15”, 17”, and 20” iMac Features

• System Software

• Machine Identification

• Velocity Engine Acceleration

• Block Diagram and Buses

• Block Diagram

• Main IC and Buses

• Microprocessor and Cache

• PowerPC G4 Microprocessor

• Level 2 Cache

• Memory and I/O Device Controller

• System RAM

• Boot ROM

• FireWire 400 Controller

• Ethernet Controller

• Video Display Subsystem

• Ultra ATA/100 Interface

• ATA/66 Interface

• Modem Support

• Bluetooth Technology

• Sound Circuitry

• Power Controller

• 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 Connector

• Target Disk Mode

• Ethernet Port

• AirPort Extreme Card

• AirPort Extreme Data Security

• AirPort Extreme Hardware

• AirPort Extreme Software

• Internal Modem

• Bluetooth Technology

• Hard Disk Drive

• SuperDrive (CD-RW/DVD-R)

• Combo (CD-RW/DVD-ROM) Drive

• Flat Panel Display

• Video Monitor Port

• Monitor Connector

• Video Display Adapter

• Keyboard

• Keyboard Features

• Keyboard Layout

• MultiMedia Control Keys

• Keyboard and USB

• Programmer’s Switches

• NMI without Programmer’s Switch

• Mouse

• Sound System

• Sound Inputs

• Built-in Microphone

• Audio Line-in

• Sound Outputs

• Internal Speaker

• Apple Pro Speaker Minijack

• Headphone Jack

• Sound Specifications

• RAM Expansion Slots

• The RAM Expansion Modules

• Mechanical Design of RAM SO-DIMM

• Electrical Design of DDR RAM SO-DIMM

• Configuration of DDR SDRAM Devices

• Configuration of RAM SO-DIMMs

• Address Multiplexing

• Apple Technical Notes

• 3D Graphics

• PowerPC G4 Microprocessor

• Velocity Engine

• Mac OS X

• Open Firmware

• RAM Expansion Modules

• ATA Interface

• USB Interface

• FireWire 400 Interface

• Wireless Networks

• Bluetooth