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Asus A8S-X User Manual

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iii

Features

Contents

Notices ........................................................................................... vi
Safety information ......................................................................... vii
About this guide ............................................................................ viii

Conventions used in this guide ........................................... viii
Typography .......................................................................... viii

A8S-X specifications summary ....................................................... ix

Chapter 1: Product introduction

1.1

Welcome! ........................................................................... 1-2

1.2

Package contents ............................................................... 1-2

1.3

Special features .................................................................. 1-3
1.3.1

Product Highlights .................................................. 1-3

1.3.2

Unique ASUS features ........................................... 1-4

1.4

Before you proceed ............................................................ 1-5

1.5

Motherboard overview ........................................................ 1-6
1.5.1

Motherboard layout ................................................ 1-6

1.5.2

Placement direction ............................................... 1-7

1.5.3

Screw holes ........................................................... 1-7

1.6

Central Processing Unit (CPU) ........................................... 1-8
1.6.1

Overview ................................................................ 1-8

1.6.2

Installing the CPU .................................................. 1-9

1.7

System memory ............................................................... 1-10
1.7.1

DIMM sockets location ......................................... 1-10

1.7.2

Memory configurations ........................................ 1-10

1.7.3

Installing a DIMM ..................................................1-11

1.8

Expansion slots ................................................................. 1-11
1.8.1

Standard interrupt assignments ............................1-11

1.8.2

IRQ assignments for this motherboard ................ 1-12

1.8.3

PCI slots .............................................................. 1-12

1.8.4

PCI Express x1 slot ............................................. 1-13

1.8.5

PCI Express x16 slot ........................................... 1-13

1.9

Jumpers ............................................................................ 1-14

1.10 Connectors ....................................................................... 1-16

1.10.1 Rear panel connectors ......................................... 1-16
1.10.2 Internal connectors .............................................. 1-17