Contents

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

vi

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

vii

F2A85-M specifications summary.............................................................................

ix

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

xii

Product introduction

1.1

Special features.............................................................................................

1-1

 

1.1.1

Product highlights............................................................................

1-1

 

1.1.2

DIGI+VRM Digital Power Design.....................................................

1-2

 

1.1.3

Innovative ASUS features................................................................

1-2

1.2

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

1-5

1.3

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

1-6

 

1.3.1

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

1-6

 

1.3.2

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

1-6

 

1.3.3

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

1-7

 

1.3.4

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

1-8

1.4

Accelerated Processing Unit (APU)............................................................

1-8

 

1.4.1

Installing the APU............................................................................

1-9

 

1.4.2

APU heatsink and fan assembly installation..................................

1-10

1.5

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

1-12

 

1.5.1

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

1-12

 

1.5.2

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

1-13

 

1.5.3

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

1-20

 

1.5.4

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

1-20

1.6

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

1-21

 

1.6.1

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

1-21

 

1.6.2

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

1-21

 

1.6.3

PCI slot..........................................................................................

1-21

 

1.6.4

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

1-21

 

1.6.5

PCI Express x16 slots...................................................................

1-22

1.7

Jumpers

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

1-23

1.8

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

1-24

 

1.8.1

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

1-24

 

1.8.2

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

1-26

1.9

Onboard switches.......................................................................................

1-32

1.10

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

1-33

1.11

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

1-35

 

1.11.1

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

1-35

 

1.11.2

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

1-35

iii