Contents

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

vii

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

viii

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

x

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

xiv

Installation tools and components...........................................................................

xv

Product introduction

1.1

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

1-1

 

1.1.1

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

1-1

 

1.1.2

Dual Intelligent Processors 2 – DIGI+ VRM................................

1-2

 

1.1.3

ASUS Exclusive Features............................................................

1-2

1.2

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

1-5

 

1.2.1

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

1-5

 

1.2.2

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

1-6

 

1.2.3

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

1-8

 

1.2.4

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

1-16

 

1.2.5

Onboard switches and buttons..................................................

1-18

 

1.2.6

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

1-21

 

1.2.7

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

1-22

 

1.2.8

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

1-24

Basic Installation

2.1

Building your PC system...........................................................................

2-1

 

2.1.1

Motherboard installation..............................................................

2-1

 

2.1.2

APU installation...........................................................................

2-4

 

2.1.3

CPU heatsink and fan assembly installation................................

2-5

 

2.1.4

DIMM installation.........................................................................

2-8

 

2.1.5

ATX Power connection................................................................

2-9

 

2.1.6

SATA device connection............................................................

2-10

 

2.1.7

Expansion Card installation.......................................................

2-11

2.2

BIOS update utility....................................................................................

2-12

 

2.2.1

USB BIOS Flashback................................................................

2-12

2.3

Motherboard rear and audio connections..............................................

2-13

 

2.3.1

Rear I/O connection...................................................................

2-13

 

2.3.2

Audio I/O connections................................................................

2-15

2.4

Starting up for the first time....................................................................

2-17

2.5

Turning off the computer.........................................................................

2-17

iii