iMac
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Introduction
Overview of iMac
17” iMac New Features
15” iMac Feature Set
17” iMac Feature Set
Comparison of 15” and 17” iMac Features
System Software
Machine Identification
Velocity Engine Acceleration
Architecture of the 15” iMac
Block Diagrams and Buses
Block Diagrams
Main ICs 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
Pangea IC Video Display Subsystem
USB Interface
Ultra ATA-66 Interface
Modem Support
Sound Circuitry
Power Controller
AirPort Wireless Support (optional)
Architecture of the 17” iMac
Block Diagrams and Buses
Block Diagrams
Main ICs 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
Intrepid IC Video Display Subsystem
USB Interface
Ultra ATA-100 Interface
Ultra ATA-66 Interface
Modem Support
Bluetooth Technology
Sound Circuitry
Power Controller
AirPort Extreme Wireless Support (optional)
Devices and Ports on the 15” iMac
USB Ports
USB Connectors
USB Features
Wake Up From Sleep
Connect and Resume
USB Storage Devices
USB Controller
FireWire 400 Ports
FireWire 400 Connector
Target Disk Mode
Ethernet Port
AirPort Card
AirPort Data Security
AirPort Hardware
AirPort Software
Internal Modem
Bluetooth Technology
Hard Disk Drive
Combo (CD-RW/DVD-ROM) Drive
Flat Panel 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
Sound Outputs
Internal Speaker
Apple Pro Speaker Minijack
Headphone Jack
Sound Specifications
Devices and Ports on the 17” iMac
USB Ports
USB Connectors
USB Features
Wake Up From Sleep
Connect and Resume
USB Storage Devices
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)
Flat Panel Display
Video Monitor Port
Monitor Connector
Video Display Adapter
Keyboard
Keyboard Features
Keyboard Layout
Programming the Function Keys
Multi-Media Control Keys
Keyboard and USB
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 on the 15” iMac
RAM Expansion Slots
RAM Expansion Modules for Pangea IC System
Mechanical Design of the SO-DIMM
Electrical Design of the SO-DIMM
Configuration of DDR SDRAM Devices
SDRAM Devices in the SO-DIMM
Configuration of RAM SO-DIMM
SO-DIMM Address Multiplexing
RAM Expansion on the 17” iMac
RAM Expansion Slots
The RAM Expansion Modules for Intrepid IC System
Mechanical Design of RAM SO-DIMM
Electrical Design of RAM SO-DIMM
Configuration of DDR SDRAM Devices
Configuration of RAM SO-DIMMs
Address Multiplexing
Appendix A: Supplemental Reference Documents
Apple Technical Notes
3D Graphics
PowerPC G4 Microprocessor
Velocity Engine (AltiVec)
Mac OS X
Open Firmware
RAM Expansion Modules
ATA Interface
USB Interface
FireWire 400 Interface
Wireless Networks
Bluetooth
Appendix B: Abbreviations
