Contents

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

vi

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

vi

B75M-A specifications summary.............................................................

viii

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

xi

Chapter 1:

Product introduction

 

1.1

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

1-1

 

1.1.1

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

1-1

 

1.1.2

ASUS Exclusive features.................................................

1-1

1.2

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

1-4

1.3

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

1-4

 

1.3.1

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

1-4

 

1.3.2

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

1-5

 

1.3.3

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

1-6

 

1.3.4

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

1-7

1.4

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

1-8

 

1.4.1

Installing the CPU............................................................

1-9

 

1.4.2

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

1-11

1.5

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

1-13

 

1.5.1

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

1-13

 

1.5.2

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

1-14

 

1.5.3

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

1-18

 

1.5.4

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

1-18

1.6

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

1-19

 

1.6.1

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

1-19

 

1.6.2

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

1-19

 

1.6.3

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

1-19

 

1.6.4

PCI Express 2.0 x1 slots...............................................

1-19

1.7

Jumpers

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

1-20

 

1.6.5

PCI Express 3.0/2.0 x16 slot.........................................

1-20

1.8

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

1-23

 

1.8.1

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

1-23

 

1.8.2

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

1-25

iii