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Contents
Figures and Tables 7
Preface
About This Developer Note
9
Contents of This Note 9
Supplemental Reference Documents 10
PowerPC G3 Microprocessor 10
Mac OS 10
ATA Devices 10
USB Devices 11
Open Firmware 11
Chapter 1
Introduction
13
Features 14
Case and External Features 15
Compatibility Issues 18
System Software 18
Main RAM Expansion Modules 19
Video RAM Expansion Modules 19
USB Ports and Devices 19
Chapter 2
Architecture
21
Processor module 23
G3 Microprocessor 23
Backside Cache 23
Memory Controller and PCI Bridge 24
Main Logic Board 24
I/O Controller IC 24
USB Controller 25
Video Display Subsystem 25
Built-in Modem 25