Asus prime Asus M3A78

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Contents

Notices ......................................................................................................... vi
Safety information ..................................................................................... vii
About this guide ........................................................................................ vii
M3A78 specifications summary ................................................................ ix

Chapter 1: 

Product introduction

1.1 

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

1.2 

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

1.3 

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

Product highlights ........................................................... 1-1

1.3.2 

Innovative ASUS features ............................................... 1-3

1.4 

Before you proceed ..................................................................... 1-5
Onboard LED ................................................................................. 1-5

1.5 

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

Placement direction ........................................................ 1-6

1.5.2 

Screw holes .................................................................... 1-6

1.5.3 

Motherboard layout ......................................................... 1-7

1.5.4 

Layout contents ............................................................... 1-7

1.6 

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

Installing the CPU ........................................................... 1-8

1.6.2 

Installing the heatsink and fan ...................................... 1-10

1.7 

System memory ......................................................................... 1-11
1.7.1 

Overview ........................................................................1-11

1.7.2 

Memory configurations .................................................. 1-12

1.7.3 

Installing a DIMM .......................................................... 1-15

1.6.4 

Removing a DIMM ........................................................ 1-15

1.8 

Expansion slots .......................................................................... 1-16
1.8.1 

Installing an expansion card ......................................... 1-16

1.8.2 

Configuring an expansion card ..................................... 1-16

1.8.4 

PCI slots ........................................................................ 1-16

1.8.5 

PCI Express x1 slot ....................................................... 1-16

1.8.6 

PCI Express x16 slot ..................................................... 1-16

1.9 

Jumpers ...................................................................................... 1-17

1.10  Connectors ................................................................................. 1-18

1.10.1  Rear panel connectors .................................................. 1-18
1.10.2  Internal connectors ....................................................... 1-19