Contents

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

iv

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

iv

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

vi

H81M-C specifications summary...............................................................

vi

Product introduction

1.1

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

1-1

1.2

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

1-1

1.3

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

1-3

1.4

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

1-7

1.5

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

1-9

1.6

Jumpers.......................................................................................

1-10

1.7

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

1-12

1.8

Onboard LEDs.............................................................................

1-19

1.9

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

1-20

BIOS information

2.1

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

2-1

2.2

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

2-6

2.3

My Favorites................................................................................

2-10

2.4

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

2-11

2.5

Ai Tweaker menu........................................................................

2-13

2.6

Advanced menu..........................................................................

2-22

2.7

Monitor menu..............................................................................

2-31

2.8

Boot menu...................................................................................

2-34

2.9

Tools menu..................................................................................

2-40

2.10

Exit menu.....................................................................................

2-41

Appendices

Notices.......................................................................................................

A-1

ASUS contact information........................................................................

A-3

iii