Nvidia MS-7374 User Manual
K9N2 SLI Platinum
Series
MS-7374 (v1.X) Mainboard
G52-73741X1
i
Copyright Notice
The material in this document is the intellectual property of MICRO-STAR
INTERNATIONAL. We take every care in the preparation of this document, but no
guarantee is given as to the correctness of its contents. Our products are under
continual improvement and we reserve the right to make changes without notice.
Trademarks
All trademarks are the properties of their respective owners.
NVIDIA, the NVIDIA logo, DualNet, and nForce are registered trademarks or trade-
marks of NVIDIA Corporation in the United States and/or other countries.
AMD, Athlon™ , Athlon™ XP, Thoroughbred™, and Duron™ are registered trademarks of AMD Corporation.
Intel® and Pentium® are registered trademarks of Intel Corporation.
PS/2 and OS®/2 are registered trademarks of International Business Machines
Corporation.
Windows® 95/98/2000/NT/XP are registered trademarks of Microsoft Corporation.
Netware® is a registered trademark of Novell, Inc.
Award® is a registered trademark of Phoenix Technologies Ltd.
AMI® is a registered trademark of American Megatrends Inc.
Revision History
Revision Revision History Date
V1.0 First release for PCB 1.X April 2008
Technical Support
If a problem arises with your system and no solution can be obtained from the user’ s
manual, please contact your place of purchase or local distributor. Alternatively,
please try the following help resources for further guidance.
Visit the MSI website for FAQ, technical guide, BIOS updates, driver updates,
and other information: http://global.msi.com.tw/index.php?
func=faqIndex
Contact our technical staff at: http://support.msi.com.tw/
ii
Safety Instructions
1. Always read the safety instructions carefully.
2. Keep this User’s Manual for future reference.
3. Keep this equipment away from humidity.
4. Lay this equipment on a reliable flat surface before setting it up.
5. The openings on the enclosure are for air convection hence protects the equipment from overheating. DO NOT COVER THE OPENINGS.
6. Make sure the voltage of the power source and adjust properly 110/220V before connecting the equipment to the power inlet.
7. Place the power cord such a way that people can not step on it. Do not place
anything over the power cord.
8. Always Unplug the Power Cord before inserting any add-on card or module.
9. All cautions and warnings on the equipment should be noted.
10. Never pour any liquid into the opening that could damage or cause electrical
shock.
11. If any of the following situations arises, get the equipment checked by a service
personnel:
† The power cord or plug is damaged.
† Liquid has penetrated into the equipment.
† The equipment has been exposed to moisture.
† The equipment has not work well or you can not get it work according to
User’s Manual.
† The equipment has dropped and damaged.
† The equipment has obvious sign of breakage.
12. DO NOT LEAVE THIS EQUIPMENT IN AN ENVIRONMENT UNCONDITIONED, STORAGE TEMPERATURE ABOVE 600 C (1400F), IT MAY DAMAGE THE EQUIPMENT.
CAUTION: Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type recommended by the
manufacturer.
iii
FCC-B Radio Frequency Interference Statement
This equipment has been
tested and found to comply
with the limits for a Class B
digital device, pursuant to Part
15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates,
uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television
reception, which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the measures listed
below.
† Reorient or relocate the receiving antenna.
† Increase the separation between the equipment and receiver.
† Connect the equipment into an outlet on a circuit different from that to
which the receiver is connected.
† Consult the dealer or an experienced radio/television technician for help.
Notice 1
The changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
Notice 2
Shielded interface cables and A.C. power cord, if any, must be used in order to
comply with the emission limits.
VOIR LA NOTICE D’ INSTALLATION AVANT DE RACCORDER AU RESEAU.
Micro-Star International
MS-7374
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that
may cause undesired operation.
iv
WEEE (Waste Electrical and Electronic Equipment) Statement
v
vi
vii
CONTENTS
Copyright Notice..............................................................................................................ii
Trademarks.......................................................................................................................ii
Revision History..............................................................................................................ii
Technical Support...........................................................................................................ii
Safety Instructions.........................................................................................................iii
FCC-B Radio Frequency Interference Statement........................................................iv
WEEE (Waste Electrical and Electronic Equipment) Statement....................................v
Chapter 1. Getting Started....................................................................................1-1
Mainboard Specifications...................................................................................1-2
Mainboard Layout................................................................................................1-4
Packing Checklist.................................................................................................1-5
Chapter 2. Hardware Setup..................................................................................2-1
Quick Components Guide....................................................................................2-2
CPU (Central Processing Unit)............................................................................2-3
Memory.................................................................................................................2-6
Power Supply......................................................................................................2-8
Back Panel..........................................................................................................2-10
Connectors........................................................................................................2-12
Button.................................................................................................................2-19
Slots....................................................................................................................2-20
LED Status Indicators........................................................................................2-25
Chapter 3 BIOS Setup.............................................................................................3-1
Entering Setup.....................................................................................................3-2
The Main Menu.....................................................................................................3-4
Standard CMOS Features...................................................................................3-6
Advanced BIOS Features...................................................................................3-8
Integrated Peripherals........................................................................................3-11
Power Management Setup...............................................................................3-13
H/W Monitor........................................................................................................3-16
BIOS Setting Password.....................................................................................3-17
Cell Menu............................................................................................................3-18
USER SETTINGS................................................................................................3-23
Load Fail-Safe/ Optimized Defaults.................................................................3-24
Appendix A Realtek ALC888 Audio....................................................................A-1
Installing the Realtek HD Audio Driver................................................................A-2
viii
Software Configuration......................................................................................A-4
Hardware Setup................................................................................................A-19
Appendix B NVIDIA RAID.........................................................................................B-1
Introduction..........................................................................................................B-2
RAID Configuraiton..............................................................................................B-3
Installing Driver....................................................................................................B-7
NVIDIA RAID Utility Installation.............................................................................B-8
Using the NVMediaShield Software.................................................................B-11
Appendix C JMicron RAID Introduction............................................................C-1
Introduction..........................................................................................................C-2
JMicron RAID BIOS Utility....................................................................................C-3
Installing Driver..................................................................................................C-11
JMicron RAID Configurer...................................................................................C-13
Appendix D Dual Core Center..............................................................................D-1
Activating Dual Core Center...............................................................................D-2
Main......................................................................................................................D-3
DOT(Dyanmic OverClocking)..............................................................................D-5
Clock.....................................................................................................................D-6
Voltage.................................................................................................................D-7
FAN Speed...........................................................................................................D-8
Temperature.........................................................................................................D-9
User Profile........................................................................................................D-10
ix
Getting Started
Chapter 1
Getting Started
Thank you for choosing the K9N2 SLI Platinum Series
(MS-7374 v1.X) ATX mainboard. The K9N2 SLI Platinum
Series mainboards are based on NVIDIA® nForce750a
SLI single chipset for optimal system efficiency. Designed to fit the advanced AMD® Phenom/Athlon/
Sempron series in Socket AM2/ AM2+, the K9N2 SLI
Platinum Series deliver a high performance and professional desktop platform solution.
1-1
MS-7374 Mainboard
Mainboard Specifications
Processor Support
- AMD® Phenom/ Athlon/ Sempron series processors in AM2/ AM2+
package
- Supports 4 pin CPU Fan Pin-Header with Fan Speed Control
(For the latest information about CPU, please visit
http://global.msi.com.tw/index.php?func=cpuform)
Supported FSB
- AM2 CPU supports Hyper Transport 1.0
- AM2+ CPU supports Hyper Transport 3.0
Chipset
- NVIDIA® nForce 750a SLI (MCP 72P) chipset
Memory Support
- DDR2 1066 (for AM2+ CPU only)/ 800/ 667 DRAM (240pin/ 1.8V)
- 4 DDR2 DIMMs (8GB Max)
(For more information on compatible components, please visit
http://global.msi.com.tw/index.php?func=testreport)
LAN
- Supports 10/100/1000 Fast Ethernet by Realtek 8211BL
1394 (optional)
- Transfer rate is up to 400Mbps
- Controlled by VIA VT6308P (optional)
Audio
- Chip integrated by Realtek® ALC888
- Flexible 8-channel audio with jack sensing
- Compliant with Azalia 1.0 spec
IDE
- 2 IDE ports (one by nForce 750a SLI, one by JMB363)
- Supports Ultra DMA 66/100/133 mode
- Supports PIO, Bus Master operation mode
SATA
- 6 SATAII ports by nForce 750a SLI
- 2 ESATA (External-SATA) ports (back panel) by JMB363
- Supports storage and data transfers at up to 3 Gb/s
RAID
- SATA1~6 support RAID 0/ 1/ 0+1/ 5 or JBOD mode
- 2 ESATA (External-SATA) ports support RAID 0/ 1 mode
Floppy
- 1 floppy port
- Supports 1 FDD with 360KB, 720KB, 1.2MB, 1.44MB and 2.88MB
1-2
Getting Started
Connectors
Back panel
- 1 PS/2 mouse port
- 1 PS/2 keyboard port
- 1 1394 port (optional)
- 1 Optical SPDIF-out jack
- 1 DVI-D port
- 1 LAN jack
- 4 USB 2.0 ports
- 2 ESATA ports
- 6 flexible audio jacks
On-Board Pinheaders
- 3 USB 2.0 pinheaders
- 1 1394 pinheader (optional)
- 1 Front Panel Audio pinheader
- 1 CD-in pinheader
- 1 Serial port pinheader
- 1 TPM Module pinheader (optional)
- 1 SPDIF-out pinheader
- 1 Chassis Intrusion pinheader
TPM (optional)
- Supports TPM
Slots
- 2 PCI Express x16 slots compatible with PCIE 2.0 specification,
supports SLI mode
a. the mazarine PCIE x16 (PCI_E1) slot supports up to PCIE 2.0
x16 speed
b. the blue PCIE x16 (PCI_E3) slot is a special design that
supports up to PCIE 2.0 x8 speed
c. if you intend to use both PCIE x16 slots, please use them with
graphics cards in SLI mode and these two PCIE x16 lanes will
auto arrange from x16/ x0 to x8/ x8
- 1 PCI Express x 1 slot
- 2 PCI slots
Form Factor
- ATX (30.5cm X 24.4 cm)
Mounting
- 9 mounting holes
1-3
MS-7374 Mainboard
BATT
IDE 1ATX1
M
1
M
2
M
3
M
4
J1394_1
PWR_BTN
CLEAR CMOS
JMicron
750a SLI
(optional)
(Optional)
(Optional)
Mainboard Layout
Top : mouse
Bottom:keyboard
Top: DVI
Bottom:
1394 port (optional)
Optical SPDIF-out
USB ports
Top: LAN Jack
Bottom: USB ports
eSATA ports
T:Line-In
M:Line-Out
B:Mic
T:RS-Out
M:CS-Out
B:SS-Out
JCI1
LAN
Chip
Chip
JPW3
ports
JPW2
SYSFAN1
SYSFAN2
PCI _E1
I/O
PCI _E2
CPUFAN1
Sock et AM2
DIM
DIM
NForce
DIM
DIM
SYSFAN3
SATA6
SATA2_4
SATA5
SATA1_3
1-4
Audio
JCD1
PCI _E3
PCI 1
PCI 2
SPDOUT1
FDD1
JFP1
VIA
VT6308P
RESET
JFP2
JCOM1
Coedc
JAUD1
K9N2 SLI Platinum Series (MS-7374 v1.X)
ATX Mainboard
+
JMB363
JTPM1
JUSB1
JUSB2 JUSB3
SYSFAN4
IDE2
Packing Checklist
Getting Started
MSI motherboard
Power Cable
Floppy Cable
MSI Driver/Utility CD
SATA Cable
external SATA Cable
(Optional)
SLI Video Link Card
IDE Cable
1394 Bracket (Optional)
User’ s Guide
* The pictures are for reference only and may vary from the packing contents of the
product you purchased.
Back IO Shield
1-5
Hardware Setup
Chapter 2
Hardware Setup
This chapter provides you with the information about
hardware setup procedures. While doing the installation,
be careful in holding the components and follow the
installation procedures. For some components, if you
install in the wrong orientation, the components will not
work properly.
Use a grounded wrist strap before handling computer
components. Static electricity may damage the
components.
2-1
MS-7374 Mainboard
Quick Components Guide
Back Panel
I/O, p.2-10
SYSFAN1,
p.2-14
PCI Express
slots, p.2-20
JCI1, p.2-15
JCOM1,
p.2-16
PCI Slots,
p.2-24
JPW2, p.2-8
JAUD1,
p.2-15
JCD1,
p.2-15
JPW3, p.2-8
SYSFAN2, p.2-14
SPDOUT1,
p.2-14
FDD1,
p.2-13
CPU, p.2-3
J1394_1,
p.2-17
CPUFAN1, p.2-14
JFP2, p.2-18
JFP1, p.2-18
IDE2,
p.2-12
JTPM1, p.2-17
RESET, p.2-19
PWR_BTN,
p.2-19
SYSFAN4,
p.2-14
DDR2 DIMMs,
p.2-6
IDE1, p.2-12
ATX1, p.2-8
SYSFAN3,
p.2-14
SATA, p.2-13
CLEAR CMOS,
p.2-19
JUSB1~3, p.2-16
2-2
Hardware Setup
CPU (Central Processing Unit)
The mainboard supports AMD® Phenom/ Athlon/ Sempron processors in Socket
AM2/ AM2+. The Socket AM2/ AM2+ offer a easy CPU installation. When you are
installing the CPU, make sure the CPU has a heat sink and a cooling fan
attached on the top to prevent overheating. If you do not have the heat sink and
cooling fan, contact your dealer to purchase and install them before turning on the
computer.
For the latest information about CPU, please visit http://global.msi.com.tw/index.
php?func=cpuform
Important
Overheating
Overheating will seriously damage the CPU and system. Always make sure
the cooling fan can work properly to protect the CPU from overheating. Make
sure that you apply an even layer of thermal paste (or thermal tape) between
the CPU and the heatsink to enhance heat dissipation.
Replacing the CPU
While replacing the CPU, always turn off the ATX power supply or unplug the
power supply’s power cord from the grounded outlet first to ensure the safety
of CPU.
Overclocking
This mainboard is designed to support overclocking. However, please make
sure your components are able to tolerate such abnormal setting, while
doing overclocking. Any attempt to operate beyond product specifications is
not recommended. We do not guarantee the damages or risks caused
by inadequate operation or beyond product specifications.
2-3
MS-7374 Mainboard
Open the lever
Gold arrow
Gold arrow
Gold arrow
Correct CPU
O
Incorrect CPU
the lever
CPU Installation Procedures for Socket AM2/ AM2+
1.Please turn off the power and
unplug the power cord before
installing the CPU.
Sliding
2.Pull the lever sideways away
from the socket. Make sure to
raise the lever up to a 90-degree angle.
3.Look for the gold arrow on the
CPU. The gold arrow should point
as shown in the picture. The CPU
can only fit in the correct
orientation. Lower the CPU down
onto the socket.
the plate
90 degree
4.If the CPU is correctly installed,
the pins should be completely
embedded into the socket and
can not be seen. Please note
that any violation of the correct
installation procedures may
cause permanent damages to
your mainboard.
5. Press the CPU down firmly into
the socket and close the lever.
As the CPU is likely to move while
the lever is being closed, always close the lever with your
fingers pressing tightly on top of
the CPU to make sure the CPU is
properly and completely embedded into the socket.
2-4
Press down
the CPU
placement
placement
Close
Hardware Setup
Installing CPU Cooler Set
When you are installing the CPU, make sure the CPU has a heat sink and a
cooling fan attached on the top to prevent overheating. If you do not have the
heat sink and cooling fan, contact your dealer to purchase and install them before
turning on the computer.
Important
1. Read the CPU status in BIOS (Chapter 3).
2. Mainboard photos shown in this section are for demonstration of the CPU/
cooler installation only. The appearance of your mainboard may vary depending on the model you purchase.
1.Position the cooling set onto the retention mechanism.
Hook one end of the clip to hook
first.
3.Fasten down the lever.
2. Then press down the other end of
the clip to fasten the cooling set on
the top of the retention mechanism.
Locate the Fix Lever and lift it up.
Fixed Lever
4.Attach the CPU fan cable to the CPU
fan connector on the mainboard.
2-5
MS-7374 Mainboard
1
2
Installed
Memory
These DIMM slots are used for installing memory modules.
For more information on compatible components, please visit http://global.msi.com.
tw/index.php?func=testreport
DDR2
240-pin, 1.8V
64x2=128 pin56x2=112 pin
Dual-Channel Memory Population Rules
In Dual-Channel mode, the memory modules can transmit and receive data with two
data bus lines simultaneously. Enabling Dual-Channel mode can enhance the system
performance. The following illustrations explain the population rules for Dual-Channel
mode.
DIMM1
DIMM2
DIMM3
DIMM4
DIMM1
DIMM2
DIMM3
DIMM4
Empty
Important
-DDR2 memory modules are not interchangeable with DDR and the DDR2
standard is not backwards compatible. You should always install DDR2
memory modules in the DDR2 DIMM slots.
-In Dual-Channel mode, make sure that you install memory modules of the
same type and density in different channel DIMM slots.
-To enable successful system boot-up, always insert the memory modules
into the DIMM1 first.
- Due to the chipset resource deployment, the system density will only be
detected up to 7+GB (not full 8GB) when each DIMM is installed with a 2GB
memory module.
2-6
Hardware Setup
Installing Memory Modules
1. The memory module has only one notch on the center and will only fit in the right
orientation.
2. Insert the memory module vertically into the DIMM slot. Then push it in until the
golden finger on the memory module is deeply inserted in the DIMM slot. The plastic
clip at each side of the DIMM slot will automatically close when the memory module
is properly seated.
Important
You can barely see the golden finger if the module is properly inserted in the
DIMM slot.
3. Manually check if the memory module has been locked in place by the DIMM slot
clips at the sides.
Volt
Notch
2-7
MS-7374 Mainboard
Power Supply
ATX 24-Pin Power Connector: ATX1
This connector allows you to connect an ATX 24-pin power supply.
To connect the ATX 24-pin power supply, make sure the plug of the
power supply is inserted in the proper orientation and the pins are
aligned. Then push down the power supply firmly into the connector.
You may use the 20-pin ATX power supply as you like. If you’d like
to use the 20-pin ATX power supply, please plug your power supply along with pin 1 & pin 13 (refer to the image at the right hand).
There is also a foolproof design on pin 11, 12, 23 & 24 to avoid
wrong installation.
Pin Definition
PIN SIGNAL
13 +3.3V
14 -12V
15 GND
16 PS-ON#
17 GND
18 GND
19 GND
20 Res
21 +5V
22 +5V
23 +5V
24 GND
ATX1
12
24
13
1
PIN SIGNAL
1 +3.3V
2 +3.3V
3 GND
4 +5V
5 GND
6 +5V
7 GND
8 PWR OK
9 5VSB
10 +12V
11 +12V
12 +3.3V
pin 13
pin 12
ATX 8-pin/ 4-pin Power Connector: JPW3/ JPW2
This JPW3 power connector is used to provide power to the CPU. This JPW2 power
connector is used to provide power to stable the operation of graphics card.
Pin Definition
PIN SIGNAL
5 +12V
6 +12V
7 +12V
8 +12V
2-8
JPW3
8 5
4
JPW2
PIN SIGNAL
1 GND
2 GND
3 GND
1
4 GND
Pin Definition
1
PIN SIGNAL
1 5V
2 GND
3 GND
4 12V
Hardware Setup
Important
1. Make sure that all the connectors are connected to proper ATX power supplies to ensure stable operation of the mainboard.
2. Power supply of 450 watts (and above) is highly recommended for system
stability.
3. We recommend you to use the minimum 450 watts power supply to support
the needs of SLI technology in the system.
Important Notification about Power Issue
NForce chipset is very sensitive to ESD (Electrostatic Discharge), therefore this
issue mostly happens while the users intensively swap memory modules under S5
(power-off) states, and the power code is plugged while installing modules. Due to
several pins are very sensitive to ESD, so this kind of memory-replacement actions
might cause system chipset unable to boot. Please follow the following solution to
avoid this situation.
Unplug the AC power cable (shown in figure 1) or unplug all power connectors on
the mainboard (shown in figure 2) before the 1st installation or during system upgrade procedure.
Unplug the AC power cable
Figure 1:
Figure 2: Unplug all the power connectors
2-9
MS-7374 Mainboard
Back Panel
Mouse
Keyboard
DVI-D Port
1394
Port
(optional)
USB Port
Optical
S/PDIF-Out
LAN
USB Port
ESATA Port
Line-In
Line-Out
Mic
RS-Out
CS-Out
SS-Out
Mouse/Keyboard
The standard PS/2® mouse/keyboard DIN connector is for a PS/2® mouse/keyboard.
DVI-D Port
The DVI-D (Digital Visual Interface-Digital) connector allows you to connect a LCD
monitor. It provides a high-speed digital interconnection between the computer and
its display device. To connect an LCD monitor, simply plug your monitor cable into the
DVI-D connector, and make sure that the other end of the cable is properly connected
to your monitor (refer to your monitor manual for more information.)
1394 Port (optional)
The IEEE1394 port on the back panel provides connection to IEEE1394 devices.
Optical S/PDIF-Out
This SPDIF (Sony & Philips Digital Interconnect Format) connector is provided for
digital audio transmission to external speakers through an optical fiber cable.
USB Port
The USB (Universal Serial Bus) port is for attaching USB devices such as keyboard,
mouse, or other USB-compatible devices.
2-10
Hardware Setup
LAN
The standard RJ-45 LAN jack is for connection to
the Local Area Network (LAN). You can connect
Green / OrangeYellow
a network cable to it.
LED Color LED State condition
Off LAN link is not established.
Left Orange On (steady state) LAN link is established.
On (brighter & pulsing)The computer is communicating with another computer on the LAN.
Green Off 10 Mbit/sec data rate is selected.
Right On 100 Mbit/sec data rate is selected.
Orange On 1000 Mbit/sec data rate is selected.
ESATA Port
This ESATA (External Serial ATA) port is used to connect the external SATA device.
You can also use the optional external SATA cable to connect SATA device and
ESATA port.
Audio Ports
These audio connectors are used for audio devices. It is easy to differentiate between audio effects according to the color of audio jacks.
Line-In (Blue) - Line In is used for external CD player, tape-player or
other audio devices.
Line-Out (Green) - Line Out, is a connector for speakers or headphones.
Mic (Pink) - Mic, is a connector for microphones.
RS-Out (Black) - Rear-Surround Out in 4/ 5.1/ 7.1 channel mode.
CS-Out (Orange) - Center/ Subwoofer Out in 5.1/ 7.1 channel mode.
SS-Out (Gray) - Side-Surround Out 7.1 channel mode.
2-11
MS-7374 Mainboard
Connectors
IDE Connector: IDE1 / IDE2
This connector supports IDE hard disk drives, optical disk drives and other IDE devices.
IDE1
IDE2
IDE1 (Primary IDE Connector)
The first hard drive should always be connected to IDE1. IDE1 can connect a Master
and a Slave drive.
IDE2 (Secondary IDE Connector)
IDE2 can also connect a Master and a Slave drive.
Important
If you install two IDE devices on the same cable, you must configure the
drives separately to master / slave mode by setting jumpers. Refer to IDE
device’s documentation supplied by the vendors for jumper setting
instructions.
2-12
Hardware Setup
Floppy Disk Drive Connector: FDD1
This connector supports 360KB, 720KB, 1.2MB, 1.44MB or 2.88MB floppy disk drive.
FDD1
Serial ATA Connector: SATA1~6
This connector is a high-speed Serial ATA interface port. Each connector can connect to one Serial ATA device.
SATA6
SATA5
SATA4/SATA2
SATA3/SATA1
Important
1. Please do not fold the Serial ATA cable into 90-degrees angle. Otherwise,
data loss may occur during transmission.
2. SATA5 & SATA 6 support AHCI mode and RAID mode only.
2-13
MS-7374 Mainboard
Fan Power Connectors: CPUFAN1, SYSFAN1/ 2/ 3/ 4
The fan power connectors support system cooling fan with +12V. When connecting
the wire to the connectors, always note that the red wire is the positive and should
be connected to the +12V; the black wire is Ground and should be connected to GND.
If the mainboard has a System Hardware Monitor chipset on-board, you must use a
specially designed fan with speed sensor to take advantage of the CPU fan control.
CONTROL
SENSOR
+12V
GND
CPUFAN1
GND
+12V
NC or Sensor
SYSFAN1/2/3
NC
+12V
GND
SYSFAN4
Important
1.Please refer to the recommended CPU fans at processor’s official website
or consult the vendors for proper CPU cooling fan.
2.CPUFAN1 supports fan control. You can install Dual Core Center utility
that will automatically control the CPU fan speed according to the actual
CPU temperature.
3. Fan/heatsink with 3 or 4 pins are both available for CPUFAN1.
SPDIF-Out Connector: SPDOUT1 (optional, for HDMI graphics card only)
This connector is used to connect S/PDIF (Sony & Philips Digital Interconnect Format)
interface for digital audio transmission to the HDMI graphics card.
SPDIF
GND
SPDOUT1
2-14
Hardware Setup
Front Panel Audio Connector: JAUD1
This connector allows you to connect the front panel audio and is compliant with
Intel® Front Panel I/O Connectivity Design Guide.
2
1
10
9
JAUD1
HD Audio Pin Definition
PIN SIGNAL DESCRIPTION
1 MIC_L Microphone - Left channel
2 GND Ground
3 MIC_R Microphone - Right channel
4 NC
5 LINE out_R Analog Port - Right channel
6 MIC_JD Jack detection return from front panel microphone JACK1
7 Front_JD Jack detection sense line from the High Definition Audio CODEC
8 NC No control
9 LINE out_L Analog Port - Left channel
10 LINEout_JD Jack detection return from front panel JACK2
jack detection resistor network
Chassis Intrusion Connector: JCI1
This connector connects to the chassis intrusion switch cable. If the chassis is
opened, the chassis intrusion mechanism will be activated. The system will record
this status and show a warning message on the screen. To clear the warning, you
must enter the BIOS utility and clear the record.
GND
1
CINTRU
JCI1
CD-In Connector: JCD1
This connector is provided for external audio input.
GND
L
R
JCD1
2-15
MS-7374 Mainboard
Front USB Connector: JUSB1/ JUSB2/ JUSB3
This connector, compliant with Intel® I/O Connectivity Design Guide, is ideal for connecting high-speed USB interface peripherals such as USB HDD, digital cameras,
MP3 players, printers, modems and the like.
910
12
JUSB1 / 2/ 3
PIN SIGNAL PIN SIGNAL
1 VCC 2 VCC
3 USB0- 4 USB15 USB0+ 6 USB1+
7 GND 8 GND
9 Key (no pin) 10 NC
Pin Definition
USB 2.0 Bracket
(optional)
Important
Note that the pins of VCC and GND must be connected correctly to avoid
possible damage.
Serial Port Connector: JCOM1
This connector is a 16550A high speed communication port that sends/receives 16
bytes FIFOs. You can attach a serial device.
Pin Definition
PIN SIGNAL DESCRIPTION
9
2
JCOM1
1
1 DCD Data Carry Detect
2 SIN Serial In or Receive Data
3 SOUT Serial Out or Transmit Data
4 DTR Data Terminal Ready
5 GND Ground
6 DSR Data Set Ready
7 RTS Request To Send
8 CTS Clear To Send
9 RI Ring Indicate
2-16
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