ASUS lx plus desktop motherboard m5a78l-m lx plus User Manual

ASUS

iii

Contents

Notices ......................................................................................................... vi
Safety information ..................................................................................... vii
About this guide ....................................................................................... viii
M5A78L-M LX specifications summary .................................................... ix

Chapter 1: Product introduction

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Installing a DIMM .......................................................... 1-16

Removing a DIMM ........................................................ 1-16

Expansion slots .......................................................................... 1-17
1.8.1

Installing an expansion card ......................................... 1-17

Configuring an expansion card ..................................... 1-17

PCI slot ......................................................................... 1-17

PCI Express x1 slots ..................................................... 1-17

PCI Express x16 slot ..................................................... 1-17

Jumpers ...................................................................................... 1-18

1.10 Connectors ................................................................................. 1-20

1.10.1 Rear panel ports ........................................................... 1-20
1.10.2 Internal connectors ....................................................... 1-21