Origin™ and Onyx2™ Programmer's Reference Manual
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Origin^™ and Onyx2^™ Programmer's Reference Manual

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Table of Contents

About This Guide

References and Source Material
Typographical Conventions
For More information

1. Overview of Origin Family Memory Map

An Introduction to Origin Family
Virtual Address Space
Physical Address Space

2. M Mode Operations

Cached Space (Cac)
Hub Special Space (HSpec)
Accessing I/O Space (IO)
Memory Special Space (MSpec)
Uncached Space (Uncac)

3. Processor View of I/O Space

Little Window (LWin) Map
Big Window (BWin[7:1]) Map

4. XIO View of I/O Space

XIO Memory View
XIO IO View of Origin2000

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