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
RevisionRevision HistoryDate
V1.2Add K9A2 Platinum V2 SeriesJanuary 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?
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-7376
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
Thank you for choosing the K9A2 Platinum/ K9A2 Platinum V2 Series (MS-7376 v1.X) ATX mainboards. The
K9A2 Platinum/ K9A2 Platinum V2 Series mainboards
are based on AMD® 790FX & SB600 chipsets for optimal system efficiency. Designed to fit the advanced
AMD® Phenom/Athlon/Sempron processors in
socket AM2+, the K9A2 Platinum/ K9A2 Platinum V2
Series deliver a high performance and professional
desktop platform solution.
1-1
MS-7376 Mainboard
Mainboard Specifications
Processor Support
- AMD® Phenom/Athlon/Sempron in the Socket 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
- HyperTransport 3.0 supports speed up to 2600 MHz
Chipset
- North Bridge: AMD® 790FX chipset
- South Bridge: AMD® SB600 chipset
Memory Support
- DDR2 1066/800/667/533 DRAM (240pin/ 1.8V)
- 4 DDR2 DIMMs (8GB Max)
(For more information on compatible components, please visit
- 4 PCI Express x16 slots compatible with PCIE 2.0 spec
a. the mazarine PCIE x16 slots (PCI_EX1/ PCI_EX4) support up to
PCIE 2.0x16 speed
b. for CrossFire mode, please install both graphics cards on both
mazarine PCIE x16 slots
c. the blue PCIE x16 slots (PCI_EX3/ PCI_EX5) are special design
that support up to PCIE 2.0x8 speed
d. to use all 4 PCIE x16 slots or to use both blue PCIE x16 slots,
the PCIE x 16 lanes will auto arrange from x16/ x0/ x16/ x0 to
x8/ x8/ x8/ x8
- 1 PCI Express x 1 slot
- 2 PCI slots
Form Factor
- ATX (30.5cm X 24.5 cm)
Mounting
- 9 mounting holes
1-3
MS-7376 Mainboard
JTPM
PromiseT3BATT
790FX
VT6308P
(optional)
(Optional)
(optional)
IDE 1ATX
1
DIMM1DIMM3DIMM2DIMM
4
POWER
RESET
Mainboard Layout
Top : mouse
Bottom:
keyboard
1394 Port
(optional)
Optical S/PDIF Out
USB ports
Top: LAN Jack
Bottom: USB ports
T:
Line-In
M:
Line-Out
B:
Mic
T:RS-Out
M:CS-Out
B:SS-Out
LAN
Chip
Audio
codec
JAUD1
JPWR1
JCD1
JPW1
SYSFAN4
PCI_EX1
PCI_EX2
PCI_EX3
PCI1
PCI_EX4
PCI2
PCI_EX5
JSLIC1
AMD
SPDOUT1
FDD1
J1394_1
VIA
CPUFAN1
AMD
SB600
JUSB1SYSFAN3
SYSFAN1
SATA2
SATA3
SATA1SATA2
JFP2
SATA5
SATA6
SYSFAN2
+
JBAT1
JUSB3
I/O
Chip
JFP1
JCOM1JUSB2
K9A2 Platinum Series (MS-7376 v1.X)
ATX Mainboard
1-4
Getting Started
JTPM
BATT
790FX
VT6308P
(optional)
(Optional)
(optional)
IDE 1ATX
1
DIMM1DIMM3DIMM2DIMM
4
POWER
RESET
Top : mouse
Bottom:
keyboard
1394 Port
(optional)
Optical S/PDIF Out
USB ports
Top: LAN Jack
Bottom: USB ports
T:
Line-In
M:
Line-Out
B:
Mic
T:RS-Out
M:CS-Out
B:SS-Out
LAN
Chip
Audio
codec
JAUD1
JPWR1
JCD1
JPW1
SYSFAN4
PCI_EX1
PCI_EX2
PCI_EX3
PCI1
PCI_EX4
PCI2
PCI_EX5
JSLIC1
AMD
SPDOUT1
FDD1
J1394_1
VIA
CPUFAN1
AMD
SB600
JUSB1SYSFAN3
SYSFAN1
SATA2SATA3
SATA1SATA2
JFP2
SYSFAN2
+
JBAT1
JUSB3
I/O
Chip
JFP1
JCOM1JUSB2
K9A2 Platinum V2 Series (MS-7376 v1.X)
ATX Mainboard
1-5
MS-7376 Mainboard
Packing Checklist
MSI motherboard
Power Cable
Floppy Cable
MSI Driver/Utility CD
SATA Cable
Cross Fire
Video Link Cable
Back IO Shield
IDE Cable
1394+USB Bracket
User’ s Guide
and Quick Guide
* The pictures are for reference only and may vary from the packing contents of the
product you purchased.
1-6
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-7376 Mainboard
Quick Components Guide
JPWR1, p.2-8
JPW1, p.2-8
Back Panel
I/O, p.2-9
PCI Slots,
p.2-23
SYSFAN4,
p.2-13
CPU, p.2-3
DDR2 DIMMs, p.2-6
CPUFAN1, p.2-13
ATX1, p.2-8
SYSFAN1,
p.2-13
IDE1, p.2-11
JFP2, p.2-16
SATA1~6,
p.2-12
JCD1, p.2-13
PCI Express
slots, p.2-20
2-2
SPDOUT1, p.2-17
JSLIC1, p.2-15
JAUD1, p.2-14
FDD1, p.2-11
J1394_1, p.2-17
JUSB1~3,
p.2-15
SYSFAN3,
p.2-13
POWER, p.2-19
JFP1, p.2-16
JTPM, p.2-14
SYSFAN2,
p.2-13
JCOM1, p.2-16
JBAT1, p.2-18
RESET, p.2-19
Hardware Setup
CPU (Central Processing Unit)
The mainboard supports AMD® Phenom/Athlon/Sempron processors. The mainboard
uses a CPU socket called Socket AM2+ for easy CPU installation. When you are
installing the CPU, make sure the CPU has a heat sink and a cooling fanattached 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.
Replaceing 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-7376 Mainboard
Open the lever
Gold arrow
Gold arrow
Gold arrow
Correct CPU
O
Incorrect CPU
the lever
CPU Installation Procedures for Socket 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 AMD Socket AM2+ 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 up it .
Fixed Lever
4.Attach the CPU Fan cable to the CPU
fan connector on the mainboard.
2-5
MS-7376 Mainboard
1
2
3
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. Please refer to the following illustrations for population rules under
Dual-Channel mode.
DIMM1
DIMM2
DIMM3
DIMM4
DIMM1
DIMM2
DIMM3
DIMM4
DIMM1
DIMM2
DIMM3
DIMM4
Empty
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.
Important
You can barely see the golden finger if the memory module is properly inserted
in the DIMM slot.
3. The plastic clip at each side of the DIMM slot will automatically close.
Volt
Notch
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 thesame 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.
2-7
MS-7376 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.
This 12V power connector JPW1 is used to provide power to the CPU. This power
connector JPWR1 is used to provide power to stable the operation of graphics card.
JPW1
4
JPW1 Pin Definition
PINSIGNAL
2
1GND
2GND
13
312V
412V
JPWR1
1
JPWR1 Pin Definition
PINSIGNAL
1NC
2GND
3GND
412V
Important
1. Maker 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.
2-8
Back Panel
Hardware Setup
Mouse
Keyboard
IEEE 1394
Port (optional)
Optical
S/PDIF-Out
eSATA Port
(optional)
USB Port
LAN
USB 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.
IEEE 1394 Port (optional)
The 1394 port on the back panel provides connection to 1394 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.
eSATA Port (optional)
The eSATA port is for attaching the eSATA external hard drive.
USB Port
The USB (Universal Serial Bus) port is for attaching USB devices such as keyboard,
mouse, or other USB-compatible devices.
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 ColorLED StateCondition
OffLAN link is not established.
Left OrangeOn (steady state)LAN link is established.
On (brighter & pulsing)The computer is communicating with another computer on the LAN.
GreenOff10 Mbit/sec data rate is selected.
RightOn100 Mbit/sec data rate is selected.
OrangeOn1000 Mbit/sec data rate is selected.
2-9
MS-7376 Mainboard
Audio Ports
These audio connectors are used for audio devices. You can differentiate the color
of the audio jacks for different audio sound effects.
audio devices.
Line-In (Blue) - Line In, is used for external CD player, tapeplayer or other
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.
2-10
Hardware Setup
Connectors
Floppy Disk Drive Connector: FDD1
This connector supports 360KB, 720KB, 1.2MB, 1.44MB or 2.88MB floppy disk drive.
FDD1
IDE Connector: IDE1
This connector supports IDE hard disk drives, optical disk drives and other IDE devices.
IDE1
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.
2-11
MS-7376 Mainboard
Serial ATA Connector: SATA1/ SATA2/ SATA3/ SATA4/ SATA5/ SATA6
(SATA5/ SATA6 are optinoal)
This connector is a high-speed Serial ATA interface port. Each connector can connect to one Serial ATA device.
SATA1/2/3/4 connectors are
supported by SB600
SATA1SATA3
SATA2
SATA5
SATA4SATA6
SATA5/6 connectors are
supported by Promise T3
(optional)
Important
Please do not fold the Serial ATA cable into 90-degree angle. Otherwise,
data loss may occur during transmission.
2-12
Hardware Setup
Fan Power Connectors: CPUFAN1, SYSFAN1~4
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.
GND
+12V
SENSOR
Control
CPUFAN1
SENSOR
+12V
GND
SYSFAN1/2
GND
+12V
NC
SYSFAN4
+1 2V
NC
GND
SYSFAN3
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.
CD-In Connector: JCD1
This connector is provided for external audio input..
R
GND
L
JCD1
2-13
MS-7376 Mainboard
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.
JAUD1
2
1
10
9
Pin Definition
PINSIGNALDESCRIPTION
1AUD_MICFront panel microphone input signal
2AUD_GNDGround used by analog audio circuits
3AUD_MIC_BIASMicrophone power
4AUD_VCCFiltered +5V used by analog audio circuits
5AUD_FPOUT_RRight channel audio signal to front panel
6AUD_RET_RRight channel audio signal return from front panel
7HP_ONReserved for future use to control headphone amplifier
8KEYNo pin
9AUD_FPOUT_LLeft channel audio signal to front panel
10AUD_RET_LLeft channel audio signal return from front panel
TPM Module Connector: JTPM (optional)
This connector connects to a TPM (Trusted Platform Module) module (optional). Please
refer to the TPM security platform manual for more details and usages.
2
1
1413
Pin SignalDescriptionPin SignalDescription
1LCLKLPC clock23V dual/3V_STB 3V dual or 3V standby power
3LRST#LPC reset4VCC33.3V power
5LAD0LPC address & data pin06SIRQSerial IRQ
7LAD1LPC address & data pin18VCC55V power
9LAD2LPC address & data pin210KEYNo pin
11LAD3LPC address & data pin312GNDGround
13LFRAME# LPC Frame14GNDGround
2-14
Hardware Setup
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.
Pin Definition
JUSB1/2/3
2
1
10
9
PIN SIGNALPIN SIGNAL
1VCC2VCC
3USB0-4USB15USB0+6USB1+
7GND8GND
9Key (no pin)10USBOC
1394+USB Bracket
(Optional)
connect the YELLOW connector to JUSB1/2/3
Important
Note that the pins of VCC and GND must be connected correctly to avoid
possible damage.
VoIP Card Connector: JSLIC1 (optional, for ALC888T only)
This connector connects to the VoIP card. Please refer to the instruction of the VoIP
card.
JSLIC1
2
1
22
21
2-15
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