Asus M3A78-EH User Manual download pdf (Page 46)

1-34 Chapter 1: Product introduction

7. Digital audio connector (4-1 pin SPDIF_OUT)

This connector is for an additional Sony/Philips Digital Interface (S/PDIF)

port(s). Connect an HDMI module cable to this connector, then install the

module to a slot opening at the back of the system chassis.

Ensure the audio device of Sound playback is Realtek High Denition Audio

(the name may be different based on the OS). Go to Start > Control Panel >

Sounds and Audio Devices > Sound Playback to congure the setting.

M3A78-EH

Digital Audio Connector

+5V

SPDIFOUT

GND

SPDIF_OUT

1 2 ... 41 42 43 44 45 46 47 48 49 50 51 ... 97 98

Motherboard 1
First Edition 2
February 2008 2
Contents 3
Safety information 7
About this guide 8
Typography 9
(continued on the next page) 10
Product 13
1.1 Welcome! 14
1.3 Special features 14
1.2 Package contents 14
HyperTransport 3.0 support 15
DDR2 memory support 15
64-bit CPU support 15
Gigabit LAN solution 17
USB 2.0 technology 17
1.4 Before you proceed 19
1.5 Motherboard overview 20
1.5.2 Placement direction 21
1.5.3 Screw holes 21
1.6.1 Installing the CPU 22
Gold triangle 23
Small triangle 23
Retention Module Base 24
CPU Heatsink 24
Retention bracket lock 24
Retention bracket 24
1.7 System memory 26
DDR2-800 MHz capability 28
1066 MHz capability 28
DDR2-667MHz capability 29
DDR-533MHz capability 31
1.7.3 Installing a DIMM 32
1.7.4 Removing a DIMM 32
1.8 Expansion slots 33
Interrupt assignments 34
1.8.3 PCI slots 36
1.8.4 PCI Express x1 slot 36
1.8.5 PCI Express x16 slot 36
Clear RTC 37
(Default) 37
M3A78-EH 38
1.10 Connectors 39
Orient the red markings on 41
NOTE: Orient the red markings 42
(usually zigzag) on the ID 42
Rotation 44
ASUS M3A78-EH 1-33 45
M3A78-EH USB 2.0 Connectors 45
SPDIFOUT 46
Legacy AC’97-compliant 47
Azalia-compliant 47
ASUS M3A78-EH 1-37 49
System Panel Connector 49
BIOS setup 51
DOS environment 52
XP environment 52
2.1.2 AFUDOS utility 53
Updating the BIOS le 54
ASUS M3A78-EH 2-5 55
2-6 Chapter 2: BIOS setup 56
2-8 Chapter 2: BIOS setup 58
2.1.5 ASUS Update utility 59
2-10 Chapter 2: BIOS setup 60
ASUS M3A78-EH 2-11 61
The ASUS Update utility is 61
2.2 BIOS setup program 62
2.2.1 BIOS menu screen 63
2.2.2 Menu bar 63
2.2.4 Menu items 64
2.2.5 Sub-menu items 64
2.2.6 Conguration elds 64
2.2.7 General help 64
2.2.3 Navigation keys 64
2.2.8 Pop-up window 65
2.3 Main menu 66
Type [Auto] 67
LBA/Large Mode [Auto] 67
PIO Mode [Auto] 67
2.3.5 SATA 1-6 68
2.3.6 SATA Conguration 69
2.3.7 System Information 70
2.4 Advanced menu 71
2.4.3 CPU Conguration 72
2.4.4 Chipset 73
Memory Conguration 74
ECC Conguration 75
Alternate VID [Auto] 76
DRAM Timing Conguration 76
Parallel Port IRQ [IRQ7] 77
2.4.6 PCIPnP 78
2.4.7 USB Conguration 79
2.5 Power menu 80
2.5.4 APM Conguration 81
2.5.5 Hardware Monitor 82
2.6 Boot menu 83
2.6.1 Boot Device Priority 84
ASUS M3A78-EH 2-35 85
2.6.3 Security 86
Change User Password 87
Password Check [Setup] 87
2.7 Tools menu 88
2.8 Exit menu 89
2-40 Chapter 2: BIOS setup 90
Software 91
3.2 Support DVD information 92
3.2.2 Drivers menu 93
3.2.3 Utilities menu 94
3.2.4 Make Disk menu 95
3.2.5 Manual menu 96
3.2.7 Other information 97
Technical support Form 98
Filelist 98
Browse this DVD 98

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