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Asus M3A78-T User Manual
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ASUS
M3A78-T
2-1
1
2.4
System memory
2.4.1
Overview
The motherboard comes with four Double Data Rate 2 (DDR2) Dual Inline Memory
Modules (DIMM) sockets.
The gure illustrates the location of the DDR2 DIMM sockets:
Channel
Sockets
Channel
A
DIMM_A1 and DIMM_A2
Channel B
DIMM_B1 and DIMM_B2
34
36
Table of Contents
Default Chapter
3
Table of Contents
3
Contents
4
Canadian Department of Communications Statement
7
Federal Communications Commission Statement
7
Notices
7
Electrical Safety
8
Safety Information
8
About this Guide
9
Conventions Used in this Guide
10
M3A78-T Specifications Summary
11
Specifications Summary
12
Chapter 1: Product Introduction
15
Welcome
17
Package Contents
17
Special Features
18
Product Highlights
18
ASUS Unique Features
20
Asus Crystal Sound
21
ASUS Intelligent Performance and Overclocking Features
22
Chapter 2: Hardware Information
23
Before You Proceed
25
Motherboard Overview
26
Placement Direction
26
Screw Holes
26
Motherboard Layout
27
Layout Contents
28
Central Processing Unit (CPU)
30
Installing the CPU
30
Installing the Heatsink and Fan
32
System Memory
35
Overview
35
Memory Configurations
36
Installing a DIMM
37
Removing a DIMM
37
Expansion Slots
38
Installing an Expansion Card
38
Configuring an Expansion Card
38
Interrupt Assignments
39
Standard Interrupt Assignments
39
Irq Assignments for this Motherboard
39
PCI Slots
40
PCI Express X1 Slot
40
PCI Express 2.0 X16 Slot (Blue)
40
Universal PCI Express X16 Slots (Black and White)
40
Jumper
42
Jumpers
42
Clear RTC RAM
42
Connectors
43
Rear Panel Connectors
43
Troubleshooting on Hdtv Overscaling or Underscaling
46
Internal Connectors
47
System Panel Connector
57
Chapter 3: Powering up
59
Starting up for the First Time
60
Starting up for the First Time
61
Turning off the Computer
62
Using the os Shut down Function
62
Using the Dual Function Power Switch
62
Chapter 4: BIOS Setup
63
Managing and Updating Your BIOS
65
Creating a Bootable Floppy Disk
66
ASUS EZ Flash 2 Utility
67
AFUDOS Utility
68
Updating the Bios File
69
ASUS Update Utility
70
BIOS Setup Program
73
BIOS Menu Screen
74
Menu Bar
74
Navigation Keys
74
Menu Items
75
Sub-Menu Items
75
Configuration Fields
75
Pop-Up Window
75
Scroll Bar
75
General Help
75
Main Menu
76
System Time [XX:XX:XX]
76
System Date [Day XX/XX/XXXX]
76
Legacy Diskette a [1.44M, 3.5 In.]
76
Primary IDE Master/Slave
77
Sata1/2/3/4/5/6
78
Storage Configuration
79
System Information
80
Advanced Menu
81
Jumperfree Configuration
81
Dram Timing Configuration
84
Ai Net 2
85
CPU Configuration
86
Chipset
87
Internal Graphics Configuration
88
ECC Configuration
90
Onboard Devices Configuration
92
PCI Pnp
93
USB Configuration
94
Power Menu
95
Suspend Mode [Auto]
95
Repost Video on S3 Resume [No]
95
ACPI 2.0 Support [Disabled]
95
ACPI APIC Support [Enabled]
95
APM Configuration
96
Hardware Monitor
98
Boot Menu
99
Boot Device Priority
99
Boot Settings Configuration
100
Security
101
Change User Password
102
Clear User Password
102
Tools Menu
103
ASUS EZ Flash 2
103
Express Gate
104
ASUS O.C. Profile
105
Exit Menu
106
Chapter 5: Software Support
107
Installing an Operating System
109
Support DVD Information
109
Running the Support DVD
109
Drivers Menu
110
Utilities Menu
111
Make Disk Menu
113
Manual Menu
114
ASUS Contact Information
114
Other Information
115
Technical Support Form
116
Software Information
117
ASUS Mylogo2
117
Cool 'N' Quiet!™ Technology
119
Audio Configurations
122
Connector Settings
123
Configuration Options
127
ASUS PC Probe II
130
ASUS AI Suite
136
ASUS AI Gear 2
138
ASUS AI Nap
139
ASUS Q-Fan 2
140
ASUS AI Booster
141
ASUS Express Gate
142
Using the Configuration Panel
145
Using the Launchbar
146
Updating Express Gate
150
Repairing Express Gate
150
AMD Overdrive (AOD)
151
RAID Configurations
152
RAID Definitions
152
Installing Serial ATA Hard Disks
153
AMD ® RAID Configurations
153
Deleting a Raid Configuration
158
Creating a RAID Driver Disk
159
Creating a RAID Driver Disk Without Entering the os
159
Creating a RAID/SATA Driver Disk in Windows
159
Chapter 6: ATI Hybrid Crossfirex™ Technology Support
161
ATI ® Hybrid Crossfirex
161
System Requirements
163
Before You Proceed
163
Installing AMD Chipset Driver
164
Using the ATI CATALYST ® Control Center
164
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Asus M3A78-T Specifications
General
Brand
Asus
Model
M3A78-T
Category
Motherboard
Language
English
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