Contents

Safety information

vii

About this guide

viii

SABERTOOTH 990FX/GEN3 R2.0 specifications summary

x

Package contents

xiii

Installation tools and components

xiv

Chapter 1:

Product Introduction

1-1

1.1

Special features

1-1

 

1.1.1

Product highlights

1-1

 

1.1.2

“Ultimate COOL!” Thermal Solution

1-2

 

1.1.3

“TUF ENGINE!” Power Design

1-2

 

1.1.4

“Safe & Stable!” Guardian Angel

1-3

 

1.1.5

ASUS EZ DIY

1-3

 

1.1.6

Other special features

1-4

1.2

Motherboard overview

1-5

 

1.2.1

Before you proceed

1-5

 

1.2.2

Motherboard layout

1-6

 

1.2.3

Central Processing Unit (CPU)

1-8

 

1.2.4

System memory

1-9

 

1.2.5

Expansion slots

1-23

 

1.2.6

Onboard buttons

1-25

 

1.2.7

Jumpers

1-27

 

1.2.8

Onboard LEDs

1-28

 

1.2.9

Internal connectors

1-29

Chapter 2:

Basic Installation

2-1

2.1

Building your PC system

2-1

 

2.1.1

Motherboard installation

2-1

 

2.1.2

CPU installation

2-4

 

2.1.3

CPU heatsink and fan assembly installation

2-5

 

2.1.4

DIMM installation

2-7

 

2.1.5

ATX Power connection

2-8

 

2.1.6

SATA device connection

2-9

 

2.1.7

Front I/O Connector

2-10

 

2.1.8

Expansion Card installation

2-11

2.2

BIOS update utility

2-12

2.3

Motherboard rear and audio connections

2-13

iii

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Asus 990FX R20, SABERTOOTH 990FX/GEN3 R2, SABERTOOTH990FXGEN3 manual Contents