Asus M3A78 User Manual download pdf (Page 3)

iii

Contents

Notices ......................................................................................................... vi

Safety information ..................................................................................... vii

About this guide ....................................................................................... viii

M3A78 specications summary ................................................................. x

Chapter 1: Product introduction

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

1.2 Package contents .........................................................................

1-2

1.3 Special features ............................................................................

1-2

1.3.1 Product highlights ...........................................................

1-2

1.3.2 ASUS unique features ....................................................

1-5

1.4 Before you proceed .....................................................................

1-7

1.5 Motherboard overview .................................................................

1-8

1.5.1 Motherboard layout .........................................................

1-8

1.5.2 Placement direction ........................................................

1-9

1.5.3 Screw holes ....................................................................

1-9

1.6 Central Processing Unit (CPU) .................................................

1-10

1.6.1 Installing the CPU .........................................................

1-10

1.6.2 Installing the heatsink and fan ......................................

1-12

1.7 System memory .........................................................................

1-14

1.7.1 Overview .......................................................................

1-14

1.7.2 Memory congurations ..................................................

1-14

1.7.3 Installing a DIMM ..........................................................

1-18

1.7.4 Removing a DIMM ........................................................

1-18

1.8 Expansion slots ..........................................................................

1-19

1.8.1 Installing an expansion card .........................................

1-19

1.8.2 Conguring an expansion card .....................................

1-19

1.8.3 PCI slots ........................................................................

1-22

1.8.4 PCI Express x1 slot .......................................................

1-22

1.8.5 PCI Express x16 slot .....................................................

1-22

1.9 Jumpers ......................................................................................

1-23

1.10 Connectors .................................................................................

1-24

1.10.1 Rear panel connectors ..................................................

1-24

1.10.2 Internal connectors .......................................................

1-26

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Asus M3A78 User Manual Page 3

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