Contents

Safety information.......................................................................................................

v

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

vi

C8HM70-I SERIES specifications summary...........................................................

viii

Package contents........................................................................................................

x

Product introduction

1.1

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

1-1

1.2

Motherboard overview..................................................................................

1-2

 

1.2.1

Placement direction.........................................................................

1-2

 

1.2.2

Screw holes.....................................................................................

1-2

 

1.2.3

Motherboard layout..........................................................................

1-3

 

1.2.4

Layout contents...............................................................................

1-3

1.3

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

1-4

1.4

System memory............................................................................................

1-4

 

1.4.1

Overview..........................................................................................

1-4

 

1.4.2

Memory configurations....................................................................

1-4

1.5

Expansion slots.............................................................................................

1-6

 

1.5.1

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

1-6

 

1.5.2

Configuring an expansion card........................................................

1-6

 

1.5.3

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

1-6

1.6

Jumpers

.........................................................................................................

1-7

1.7

Connectors....................................................................................................

1-8

 

1.7.1

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

1-8

 

1.7.2

Internal connectors........................................................................

1-10

1.8

Software support.........................................................................................

1-15

 

1.8.1

Installing an operating system.......................................................

1-15

 

1.8.2

Support DVD information...............................................................

1-15

BIOS information

2.1

Managing and updating your BIOS.............................................................

2-1

 

2.1.1

ASUS Update utility.........................................................................

2-1

 

2.1.2

ASUS EZ Flash 2............................................................................

2-2

 

2.1.3

ASUS CrashFree BIOS 3 utility.......................................................

2-3

 

2.1.4

ASUS BIOS Updater.......................................................................

2-4

2.2

BIOS setup program.....................................................................................

2-6

2.3

Main menu...................................................................................................

2-10

 

2.3.1

System Language [English]...........................................................

2-10

 

2.3.2

System Date [Day xx/xx/xxxx].......................................................

2-10

 

2.3.3

System Time [xx:xx:xx]..................................................................

2-10

 

2.3.4

Security..........................................................................................

2-10

iii