Asus M3A78 PRO Specifications Page 44
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- Table of contents
- BOOKMARKS
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1-32 Chapter 1: Product introduction
5. Power, CPU, and Chassis Fan connectors
(3-pin PWR_FAN, 4-pin CPU_FAN, 3-pin CHA_FAN)
The fan connectors support cooling fans of 350mA~740mA (8.88W max.) or
a total of 1A~2.22A (26.64W max.) at +12V. Connect the fan cables to the fan
connectors on the motherboard, making sure that the black wire of each cable
matches the ground pin of the connector.
Do not forget to connect the fan cables to the fan connectors. Insufcient air
ow inside the system may damage the motherboard components. These are
not jumpers! DO NOT place jumper caps on the fan connectors.
Only CPU Fan supports Q-Fan.
M3A78-EM Fan Connectors
R
M3A78-EM
CPU_FAN
GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM
CHA_FAN
GND
Rotation
+12V
GND
Rotation
+12V
PWR_FAN
- Motherboard 1
- First Edition V1 2
- May 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
- 1.2 Package contents 14
- 1.3 Special features 14
- ASUS M3A78-EM 1-3 15
- HDMI Interface 16
- HDMI/DVI/RGB Support 16
- Hybrid CrossFireX 16
- PCI Express 2.0 support 16
- DDR2 memory support 16
- Gigabit LAN solution 17
- USB 2.0 technology 17
- DisplayPort 17
- 1.3.2 ASUS unique features 18
- ASUS EZ DIY 19
- 1.3.3 ASUS stylish features 20
- 1.4 Before you proceed 21
- 1.5 Motherboard overview 22
- 1.5.2 Placement direction 23
- 1.5.3 Screw holes 23
- 1.6.1 Installing the CPU 24
- Gold triangle 25
- Small triangle 25
- Retention Module Base 26
- CPU Heatsink 26
- Retention bracket lock 26
- Retention bracket 26
- 1.7 System memory 28
- DDR2-1066 MHz capability 30
- DDR2-800 MHz capability 30
- DDR2-667MHz 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
- 1.10 Connectors 38
- Activity/Link Speed LED 39
- Orient the red markings on 41
- IDE Connector 42
- M3A78-EM 43
- CPU FAN PWR 44
- CPU FAN IN 44
- CPU FAN PWM 44
- Right Audio Channel 45
- Left Audio Channel 45
- SPDIFOUT 46
- Legacy ACʼ97-compliant 47
- Azalia-compliant 47
- +5VSB_MB 48
- Chassis Signal 48
- System Panel Connector 50
- ASUS M3A78-EM 1-39 51
- BIOS setup 53
- DOS environment 54
- XP environment 54
- 2.1.2 AFUDOS utility 55
- Updating the BIOS le 56
- ASUS M3A78-EM 2-5 57
- 2-6 Chapter 2: BIOS setup 58
- ASUS M3A78-EM 2-7 59
- 60
- 2.1.5 ASUS Update utility 61
- 2-10 Chapter 2: BIOS setup 62
- ASUS M3A78-EM 2-11 63
- The ASUS Update utility is 63
- 2.2 BIOS setup program 64
- 2.2.1 BIOS menu screen 65
- 2.2.2 Menu bar 65
- 2.2.4 Menu items 66
- 2.2.5 Sub-menu items 66
- 2.2.6 Conguration elds 66
- 2.2.3 Navigation keys 66
- 2.2.7 General help 66
- 2.2.8 Pop-up window 67
- 2.3 Main menu 68
- Type [Auto] 69
- LBA/Large Mode [Auto] 69
- PIO Mode [Auto] 70
- DMA Mode [Auto] 70
- SMART Monitoring [Auto] 70
- 2.3.6 SATA Conguration 71
- 2.3.7 System Information 72
- 2.4 Advanced menu 73
- 2-22 Chapter 2: BIOS setup 74
- 2.4.2 CPU Conguration 75
- 2.4.3 Chipset 76
- NorthBridge Conguration 76
- ECC Conguration 77
- AMD 780 HD Audio [Enabled] 78
- Internal Graphics 78
- Surround View [Auto] 78
- Parallel Port Address [378] 79
- Parallel Port Mode [Normal] 79
- HDAudio Controller [Enabled] 79
- Front Panel Select [HD Audio] 79
- 2.4.5 PCIPnP 80
- 2.4.6 USB Conguration 81
- 2.5 Power menu 82
- 2.5.4 APM Conguration 83
- 2-32 Chapter 2: BIOS setup 84
- 2.6 Boot menu 85
- 2.6.1 Boot Device Priority 86
- Full Screen Logo [Enabled] 87
- Bootup Num-Lock [On] 87
- 2.6.3 Security 88
- Change User Password 89
- Clear User Password 89
- Password Check [Setup] 89
- 2.7 Tools menu 90
- 2.7.2 Express Gate [Enabled] 91
- 2.7.3 AI NET 2 91
- 2.8 Exit menu 92
- Software 93
- 3.2 Support DVD information 94
- 3.2.2 Drivers menu 95
- 3.2.3 Utilities menu 96
- 3-5ASUS M3A78-EM 97
- 3.2.4 Make Disk menu 98
- 3.2.5 Manual menu 99
- 3.2.7 Other information 100
- Technical support Form 101
- Filelist 101
- Browse this DVD 101
- Appendix 103
- Hybrid CrossFireX™ 104
- Control Center 105
- A.4 Using the ATI CATALYST 105
- A-4 Appendix 106
- ASUS M3A78-EM A-5 107
- A-6 Appendix 108
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