Table of Contents

GA-8S661FXM-775 Motherboard Layout

6

Block Diagram

7

Chapter 1 Hardware Installation

9

1-1

Considerations Prior to Installation

9

1-2

Feature Summary

10

1-3

Installation of the CPU and Heatsink

12

1-3-1 Installation of the CPU

12

1-3-2 Installation of the Heatsink

13

1-4

Installation of Memory

14

1-5

Installation of Expansion Cards

15

1-6

I/O Back Panel Introduction

16

1-7

Connectors Introduction

17

Chapter 2 BIOS Setup

29

The Main Menu (For example: BIOS Ver. : E3)

30

2-1

Standard CMOS Features

32

2-2

Advanced BIOS Features

34

2-3

Integrated Peripherals

36

2-4

Power Management Setup

38

2-5

PnP/PCI Configurations

40

2-6

PC Health Status

41

2-7

MB Intelligent Tweaker (M.I.T.)

42

2-8

Top Performance

44

2-9

Load Fail-Safe Defaults

44

2-10

Load Optimized Defaults

45

2-11

Set Supervisor/User Password

45

2-12

Save & Exit Setup

46

2-13

Exit Without Saving

46

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Gigabyte GA-8S661FXM-775 user manual Table of Contents