Technical information

3
Contents
Figures and Tables 9
Preface
About This Developer Note
11
Contents of This Note 11
Supplemental Reference Documents 12
PowerPC G3 Microprocessor 12
Mac OS 12
ATA Devices 12
USB Devices 13
Open Firmware 13
Chapter 1
Introduction
15
Features 16
Peripheral Devices 18
Compatibility Issues 18
Earlier PowerBook G3 Series Computers 18
Expansion Bay Modules 19
RAM Expansion Modules 19
USB Ports and Devices 19
System Software 19
Machine Identification 20
Chapter 2
Architecture
21
Processor Module 22
G3 Microprocessor 22
Backside Cache 24
Bus Clock Speeds 24
Memory Controller and PCI Bridge 24
Main Logic Board 25
I/O Controller IC 25