Foxconn G31S Series User's Manual & Installation And Servicing Instructions
G31S Series
Motherboard
User’s Manual
Statement:
This manual is the intellectual property of Foxconn, Inc. Although the information
in this manual may be changed or modied at any time, Foxconn does not obligate
itself to inform the user of these changes.
Trademark:
All trademarks are the property of their respective owners.
Version:
User’s Manual V1.0 for G31S Series motherboard.
Symbol description:
Caution : refers to important information that can help you to use motherboard
better, and tells you how to avoid problems.
Warning : indicating a potential risk of hardware damage or physical injury may
exist.
WEEE:
The use of this symbol indicates that this product may not be treated as household
waste. By ensuring this product is disposed of correctly, you will help prevent potential
negative consequences for the environment and human health, which could otherwise
be caused by inappropriate waste handling of this product. For more detailed
information about recycling of this product, please contact your local city ofce, your
household waste disposal service or the shop where you purchased this product.
More information:
If you want more information about our products, please visit Foxconn’s
website: http://www.foxconnchannel.com
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© All rights reserved.
All trade names are registered trademarks of respective manufacturers listed.
All images are for reference only, please refer to the physical motherboard for specic features.
Declaration of conformity
HON HAI PRECISION INDUSTRY COMPANY LTD
66 , CHUNG SHAN RD., TU-CHENG INDUSTRIAL DISTRICT,
TAIPEI HSIEN, TAIWAN, R.O.C.
declares that the product
Motherboard G31S-K/G31S
is in conformity with
(reference to the specication under which conformity is declared in
accordance with 89/336 EEC-EMC Directive)
■ EN 55022:1998/A2: 2003 Limits and methods of measurements of radio
disturbance characteristics of information technology
equipment
■ EN 61000-3-2/:2000 Electromagnetic compatibility (EMC)
Part 3: Limits
Section 2: Limits for harmonic current emissions
(equipment input current <= 16A per phase)
■ EN 61000-3-3/A1:2001 Electromagnetic compatibility (EMC)
Part 3: Limits
Section 2: Limits of voltage uctuations and icker in low
voltage supply systems for equipment with rated current
<= 16A
■ EN 55024/A2:2003 Information technology equipment-Immunity
characteristics limits and methods of measurement
Signature : Place / Date : TAIPEI/2009
Printed Name : James Liang
Declaration of conformity
Trade Name: FOXCONN
Model Name: G31S-K/G31S
Responsible Party: PCE Industry Inc.
Address: 458 E. Lambert Rd.
Fullerton, CA 92835
Telephone: 714-738-8868
Facsimile: 714-738-8838
Equipment Classication: FCC Class B Subassembly
Type of Product: Motherboard
Manufacturer: HON HAI PRECISION INDUSTRY
COMPANY LTD
Address: 66 , CHUNG SHAN RD., TU-CHENG
INDUSTRIAL DISTRICT, TAIPEI HSIEN,
TAIWAN, R.O.C.
Supplementary Information:
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.
Tested to comply with FCC standards.
Signature : Date : 2009
Installation Precautions
Please carefully read the following procedures to install your computer :
■ It is suggested to select high-quality, certied fans in order to avoid damage
to the motherboard and CPU due to high temperature. Never turn on the
computer if the CPU fan is not properly installed.
■ We cannot guarantee that your system can operate normally when your
CPU/Memory is overclocked. Normal operation depends on the overclocking
capacity of your device.
■ If there is any, when connecting USB, audio, 1394a, RS232 COM, IrDA or
S/PDIF cables to the internal connectors on the motherboard, make sure
their pinouts are matching with the connectors on the motherboard. Incorrect
connections might damage the motherboard.
■ When handling the motherboard, avoid touching any metal leads or connec-
tors.
■ If there is a PCI Express x16 graphics card installed in your system, we
recommend using a 24-pin ATX power supply to get the best performance.
■ Before turning on the power, please make sure the power supply AC input
voltage setting has been congured to the local standard.
■ To prevent damage to the motherboard, do not allow screws to come in contact
with the motherboard circuit or its components. Also, make sure there are no
leftover screws or metal components placed on the motherboard or within the
computer casing.
■ If you are uncertain about any installation steps or have a problem related to
the use of the product, please consult a certied computer technician.
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■ Electrostatic discharge (ESD) is the sudden and momentary electric current
that ows between two objects at different electrical potentials. Normally it
comes out as a spark which will quickly damage your electronic equipment.
Please wear an electrostatic discharge (ESD) wrist strap when handling
components such as a motherboard, CPU or memory.
■ Ensure that the DC power supply is turned off before installing or removing
CPU, memory, expansion cards or other peripherals. It is recommended to
unplug the AC power cord from the power supply outlet. Failure to unplug
the power supply cord may result in serious damage to your system.
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TABLE OF CONTENTS
Chapter 1 Product Introduction
Product Specications ..................................................................2
Layout ...........................................................................................4
Back Panel Connectors ................................................................5
Chapter 2 Hardware Install
Install the CPU and CPU Cooler ..................................................8
Install the Memory ...................................................................... 11
Install an Expansion Card ..........................................................12
Install other Internal Connectors ................................................13
Jumpers ...................................................................................... 17
Chapter 3 BIOS Setup
Enter BIOS Setup .......................................................................19
Main Menu .................................................................................. 19
System Information ....................................................................21
Fox Central Control Unit .............................................................23
Advanced BIOS Features ........................................................... 29
Advanced Chipset Features ....................................................... 31
Integrated Peripherals ................................................................ 33
Power Management Setup .........................................................37
PC Health Status ........................................................................40
Load Optimized Defaults ............................................................ 41
Set Supervisor Password ........................................................... 41
Set User Password ..................................................................... 41
Save & Exit Setup ......................................................................41
Exit Without Saving ....................................................................41
Chapter 4 CD Instruction
Utility CD content ........................................................................ 43
Install driver and utility ................................................................44
FOX ONE
Main Page .............................................................................46
CPU Control ..........................................................................50
Frequency Control ................................................................52
Limit Setting ..........................................................................53
Voltage Control .....................................................................55
Fan Control ...........................................................................56
FOX LiveUpdate
Local Update .........................................................................57
Online Update ....................................................................... 59
Congure .............................................................................62
About & Help .........................................................................64
FOX LOGO ................................................................................. 65
FOX DMI ....................................................................................66
Technical Support :
Website :
http://www.foxconnchannel.com
Support Website :
http://www.foxconnsupport.com
Worldwide online contact Support :
http://www.foxconnchannel.com/support/online.aspx
CPU, Memory, VGA Compatibility Supporting Website :
http://www.foxconnchannel.com/product/Motherboards/compatibility.aspx
Support
Thank you for buying Foxconn G31S Series motherboard. Foxconn
products are engineered to maximize computing power, providing
only what you need for break-through performance.
With advanced overclocking capability and a range of connectivity
features for today multi-media computing requirements, G31S-K/G31S
enables you to unleash more power from your computer.
This chapter includes the following information:
■ Product Specications
■ Layout
■ Back Panel Connectors
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1-1 Product Specications
CPU Support LGA775 socket Intel® CPU:
CoreTM 2 Quard / CoreTM 2 Duo /
Pentium® Dual-Core / Celeron® Dual-Core /Conroe-L processors
Supports 45nm processors
Front Side Bus 1333/1066/800MHz FSB
Chipset North Bridge : Intel® G31
South Bridge : Intel® ICH7
Memory 1 x 240-pin DDR2 DIMM socket
Support up to 2GB of system memory
Single channel DDR2 800/667MHz architecture
Audio Realtek 6-channel audio chip
High Denition Audio
2/4/5.1-channel
Support Jack-Sensing function
LAN Realtek 10/100Mb/s LAN chip (G31S)
Realtek Gigabit LAN chip(G31S-K)
Expansion Slots 1 x PCI Express x16 slot
1 x PCI Express x1 slot
Onboard Serial ATA 2 x SATA connectors
300MB/s data transfer rate
Support hot plug and NCQ (Native Command Queuing )
USB Support hot plug
Support up to 8 x USB 2.0 ports (4 rear panel ports, 2 onboard USB
headers supporting 4 extra ports)
Support USB 2.0 protocol up to 480Mb/s
Internal Connectors 1 x 24-pin ATX main power connector
1 x 4-pin ATX 12V power connector
2 x SATA connectors
2 x USB 2.0 connectors (supporting 4 x USB devices)
1 x CPU fan header (4-pin)
1 x System fan connector (4-pin)
1 x Front Panel connector
1 x Speaker connector (4-pin)
1 x Front Audio connector
1 x TPM Connector
1 x COM Header
1 x S/PDIF_OUT Connector
1 x IR Connector
1 x LPC Connector
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Back Panel 1 x PS/2 keyboard port
Connectors 1 x PS/2 mouse port
1 x VGA port
1 x Coaxial S/PDIF Out Connector
4 x USB 2.0 ports
1 x RJ-45 LAN port
6-channel Audio ports
Hardware Monitor System voltage detection
CPU/System temperature detection
CPU/System fan speed detection
CPU/System overheating shutdown
CPU/System fan speed control
PCI Express x1 Support 250MB/s (500MB/s concurrent) bandwidth
Low power consumption and power management features
PCI Express x16 Support 4GB/s (8GB/s concurrent) bandwidth
Low power consumption and power management features
Green Function Support ACPI (Advanced Conguration and Power Interface)
Support S0 (normal), S1 (power on suspend), S3 (suspend to RAM), S4
(suspend to disk), and S5 (soft - off)
Bundled Software FOX ONE
FOX LiveUpdate
FOX LOGO
FOX DMI
Operating System Support for Microsoft® Windows® Vista/XP
Form Factor Mini ATX Form Factor, 7.6 inches x 6.7 inches (19.3cm x 17cm)
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1-2 Layout
Note : The above motherboard layout is for reference only, please refer to the physical
motherboard for detail.
1. S/PDIF_OUT Connector
2. 4-pin ATX 12V Power Connector
3. Front USB Connectors
4. SATA Connectors
5. Front Audio Connector
6. PCI Express x1 Slot
7. South Bridge: Intel® ICH7
8. PCI Express x16 Slot
9. North Bridge: Intel® G31 Chipset
10. Speaker Connector
11. Front Panel Connector
12. 24-pin ATX Power Connector
13. DDR2 DIMM Slots
14. Clear CMOS Jumper
15. System Fan Header
16. IR/CIR Connector
17. TPM Connector
18. COM Connector
19. LPC Connector
20. CPU Fan Header
21. LGA 775 CPU Socket
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1
8
3
10
9
7
18
21
6
11 12 13 14 15 16
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19
20
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1-3 Back Panel Connectors
1. PS/2 Mouse Port
Use the upper port (green) to connect a PS/2 mouse.
2. PS/2 Keyboard Port
Use the lower port (purple) to connect a PS/2 keyboard.
3. Coaxial S/PDIF Out Port
This connector provides digital audio out to an external audio system that supports digital
coaxial audio. Before using this feature, ensure that your audio system provides a coaxial
digital audio in connector.
Note: Coaxial S/PDIF Out port in back panel and S/PDIF Out connector on motherboard can
not exist in the same motherboard, please refer to the physcial motherboard for detail.
4. VGA Port
To connect with external display devices, such as monitor or LCD display.
5. USB Ports
The USB port supports the USB 2.0/1.1 specication. Use this port for USB devices such as an
USB keyboard/mouse, USB printer, USB ash drive and etc.
6. Audio Ports
For the denition of each audio port, please refer to the table below :
* : Please refer to Chapter 4, and install the Realtek audio driver (in CD) to assign the audio
output ports for different applications of 2/4/5.1 channels. The fundamental audio outputs are
depicted in the table above
Port 2-channel 4-channel 5.1-channel
Blue Line In Line In Line In
Green Line Out Front Speaker Out Front Speaker Out
Pink Microphone In Microphone In Microphone In
VGA Port USB Ports
LAN Port
PS/2 Keyboard
Port
PS/2 Mouse Port
5
Coaxial
S/PDIF Out
Line Out
Line In
Microphone In
Audio Ports
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4
7
3
2
1
6
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7. RJ-45 LAN Port
The Ethernet LAN port provides Internet connection at up to 10/100/1000Mb/s data rate.
Active
LED
Link
LED
LAN Type
Left: Active Right: Link
Status Description Status Description
100M
Off No Link Off No Link
Green
Blinking
Data Activity Orange 10/100Mb/s Connection
1000M
Off No Link Off No Link
Green
Blinking
Data Activity
Off 10Mb/s Connection
Green 100Mb/s Connection
Orange 1000Mb/s Connection
G31S supports 10/100 Mb/s Ethernet.
G31S-K
supports 1Gb/s Ethernet.
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This chapter introduces the hardware installation process, including
the installation of the CPU, memory, power supply, slots, pin headers
and the mounting of jumpers. Caution should be exercised during
the installation of these modules. Please refer to the motherboard
layout prior to any installation and read the contents in this chapter
carefully.
This chapter includes the following information :
■ Install the CPU and CPU Cooler
■ Install the Memory
■ Install an Expansion Card
■ Install other Internal Connectors
■ Jumpers
This motherboard supports CPUs with a power rating no more than 65W, which
include Intel® CoreTM 2 Quad, CoreTM 2 Duo, Pentium® Dual-Core, Celeron
®
Dual-Core, Conroe-L and 45nm CPUs. For further information, please refer to
website http://www.foxconnchannel.com for CPU Support List. We cannot
guarantee that your system can operate normally if you use a CPU not included in
the CPU Support List.
Please visit this website for more supporting information about CPU, Memory and
VGA for your motherboard :
http://www.foxconnchannel.com/product/Motherboards/compatibility.aspx
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2-1 Install the CPU and CPU Cooler
Install the CPU
Locate the alignment keys on the motherboard CPU socket and the notches on the CPU.
LGA775 CPU Socket
Alignment Key
Pin-1 corner of the CPU
Socket
LGA775 CPU
Notch
Pin-1 triangle marking
of CPU
Read the following guidelines before you begin to install the CPU :
■ Make sure that the motherboard supports the CPU.
■ Always turn off the computer and unplug the power cord from the power supply before
installing the CPU to prevent hardware damage.
■ Locate the Pin-1 of the CPU. The CPU cannot be inserted if oriented incorrectly. (Or
you may locate the notches on both sides of the CPU and alignment keys on the CPU
socket.)
■ Apply an even and thin layer of thermal grease on the surface of the CPU.
■ Do not turn on the computer if the CPU cooler is not installed, otherwise overheating
and damage of the CPU may occur.
■ Set the CPU host frequency in accordance with the CPU specications. It is not
recommended that the system bus frequency be set beyond hardware specications
since it does not meet the standard requirements for the peripherals. If you wish to
set the frequency beyond the standard specications, please do so according to your
hardware specications including the CPU, graphics card, memory, hard drive, etc.
Hyper-Threading Technology System Requirements:
(Go to Intel's website for more information about the Hyper-Threading Technology)
■ An Intel® CPU that supports HT Technology
■ A chipset that supports HT Technology
■ An operating system that is optimized for HT Technology
■ A BIOS that supports HT Technology and has it enabled
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Follow the steps to install the CPU onto the CPU socket :
1. Remove protective socket cover.
2. Release the CPU socket lever.
3. Lift the metal cover on the CPU
socket.
5. When CPU is properly seated,
replace the metal cover and push the
CPU socket lever back to its locked
position.
4. Check pin one marking (triangle)
with the pin one corner of the CPU
socket, align the CPU notches with
the socket alignment keys and gently
put the CPU onto the socket.
Before installing the CPU, make sure to turn off the computer and unplug the power
cord from the power outlet to prevent damage to the CPU.
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Install the CPU Cooler
Follow the steps below to correctly install the CPU cooler on the motherboard. (The following
procedures use Foxconn cooler as the example.)
1. Apply and spread an even thermal
grease on the surface of CPU.
2. Place the four bolts of the CPU
cooler to the holes of the motherboard,
push them straight down from the top,
and the bolts will be fastened on the
motherboard. That's it.
3. Check the solder side of the
motherboard, the push pin should be
xed as depicted in the picture.
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4. Attach the 4-wire CPU cooler
connector to the CPU FAN header
on the motherboard .
Release bolts of CPU cooler from
motherboard :
1.Turning the push p i n ( b o l t )
along with the direction of arrow
(counterclockwise).
2. Pull the push pin straight up.
3. Turning push pin clockwise to its
default position.
Use extreme care when removing the CPU cooler because the thermal grease may
adhere to the CPU. Inadequately removing the CPU cooler may damage the CPU.
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2-2 Install the Memory
If you take a look at front side of memory module, it has asymmetric pin counts on both sides sepa-
rated by a notch in the middle, so it can only t in one direction. Follow the steps below to correctly
install your memory modules into the sockets.
Step 1:
Spread the clips at both ends of the memory socket.
Place the memory module onto the socket, then put
your ngers on top edge of the module, and push
it down rmly and seat it vertically into the memory
socket.
Step 2:
The clips at both ends of the socket will snap into place
when the memory module is securely inserted.
Read the following guidelines before you begin to install the memory :
■ Make sure that the motherboard supports the memory. It is recommended that memory
of the same capacity, brand, speed, and chips be used.
■ Always turn off the computer and unplug the power cord from the power outlet before
installing the memory to prevent hardware damage.
■ Memory modules have a foolproof design. A memory module can be installed in only
one direction. If you are unable to insert the memory, switch the direction.
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112-Pin128-Pin
Notch
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2-3 Install an Expansion Card
Follow the steps below to correctly install your expansion card in the expansion slot.
1. Locate an expansion slot that supports your card. Remove the metal slot cover from the chassis
back panel.
2. Align the card with the slot, and press down on the card until it is fully seated in the slot.
3. Make sure the metal contacts on the card are completely inserted into the slot.
4. Secure the card's metal bracket to the chassis back panel with a screw.
5. After installing all expansion cards, replace the chassis cover.
6. Turn on your computer. If necessary, go to BIOS Setup to make any required BIOS changes for
your expansion card(s).
7. Install the driver provided with the expansion card in your operating system.
Installing and Removing a PCI Express x16 Graphics Card :
• Installing a Graphics Card:
Gently insert the graphics card into the PCI Express x16 slot.
Make sure the graphics card is locked by the latch at the end of
the PCI Express x16 slot.
• Removing the Card:
Push the latch at the end of the PCI Express x16 slot to release
the card and then pull the card straight up from the slot.
■ Make sure the motherboard supports the expansion card. Carefully read the manual that
came with your expansion card.
■ Always turn off the computer and unplug the power cord from the power outlet before
installing an expansion card to prevent hardware damage.
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PCI Express x1
PCI Express x16
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2-4 Install other Internal Connectors
Power Connectors
This motherboard uses an ATX power supply. In order not to damage any device, make sure all the
devices have been installed properly before applying the power supply.
24-pin ATX power connector : PWR1
PWR1 is the ATX power supply connector. Make sure that the power supply cable and pins are
properly aligned with the connector on the motherboard. Firmly plug the power supply cable into the
connector and make sure it is secure.
4-pin ATX 12 V Power Connector : PWR2
Connect the 4-pin ATX 12V power supply to PWR2 and provides power to the CPU.
Pin # Denition Pin # Denition
1 3.3V 13 3.3V
2 3.3V 14 -12V
3 GND 15 GND
4 +5V 16 PS_ON(Soft On/Off)
5 GND 17 GND
6 +5V 18 GND
7 GND 19 GND
8 Power Good 20 NC
9 +5V SB(Stand by +5V) 21 +5V
10 +12V 22 +5V
11 +12V 23 +5V
12 3.3V 24 GND
PWR1
24
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12
1
We recommend you using a 24-pin power supply.
If you are using a 20-pin power supply, you need
to align the ATX power connector according to
the picture.
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20-Pin Power
Pin No. 24
Pin # Denition
1 GND
2 GND
3 +12V
4 +12V
3 1
GND
+12V
4 2
PWR2
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USB Connectors : F_USB1/2
In addition to the four USB ports on the rear panel, this
product also provides two 10-pin USB headers on its
motherboard. By connecting through USB cables with
them, user can quickly expand another four USB ports
on the front panel.
Speaker Connector : SPEAKER
The speaker connector is used to connect speaker of
the chassis.
S/PDIF OUT Connector : SPDIF_OUT
The connector is used for S/PDIF output.
LPC Connector : LPC
This connector is a debug port. LPC stands for low-pin
count, the low-pin count bus can provide a connection
for a debugging dongle. The basic design encompasses using a Super I/O and UART on the dongle with a
DB9 port out to provide similar debugging capabilities
to the serial port.
NC
GND
VCC
D+
D-
D+
GND
D-
VCC
EMPTY
1
2
10
9
F_USB 1/2
NC
SPKJ
EMPTY
SPEAKER
SPKJ
1
2
3
4
CK_33MHz
RESET
LPC_AD2
LPC_AD3
3D3VSB
LPC_AD0
GND
EMPTY
LPC_AD1
1
2
109
LPC
LPC_FRAMEJ
SPDIF_OUT
+5V
EMPTY
SPDIF_OUT
GND
1
2
3
4
15
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Front Panel Connector : FP1
This motherboard includes one connector for connecting the
front panel switch and LED Indicators.
Hard Disk LED Connector (HDD-LED)
Connect to the chassis front panel IDE indicator LED. It
indicates the active status of the hard disks. This 2-pin
connector is directional with +/- sign.
Reset Switch (RESET-SW)
Attach the connector to the Reset switch on the front
panel of the case; the system will restart when the switch
is pressed.
Power LED Connector (PWR-LED)
Connect to the power LED indicator on the front panel of
the chassis. The Power LED indicates the system’s status.
When the system is in operation (S0 status), the LED is
on. When the system gets into sleep mode (S1) , the LED
is blinking; When the system is in S3/S4 sleep state or
power off mode (S5), the LED is off. This 2-pin connector
is directional with +/- sign.
Power Switch Connector (PWR-SW)
Connect to the power button on the front panel of the
chassis. Push this switch allows the system to be turned
on and off rather than using the power supply button.
COM Connector : COM1
This motherboard supports one serial RS232 COM port for
legacy compatibility. User must purchase another RS232 cable
with a 9-pin D-sub connector at one end to connect with the
external RS232 device and another end with 10-pin female con-
nector to connect with COM2 connector in the motherboard.
IrDA Connector : IR
This connector supports infrared wireless transmitting and
receiving device.
1
2
3
4
5
+5V
EMPTY
IRRX
GND
IRTX
IR
EMPTY
HDD-LED
RESET-SW
NC
+
-
PWR-SW
+
-
PWR-LED
1
2
10
9
FP1
RLSD
SOUT
RI
GND
RTS
DSR
DTR
CTS
EMPTY
SIN
1
2
10
9
COM1
16
2
Audio Connector : F_AUDIO
The audio connector supports HD Audio standard.
It provides the Front Audio output choice.
Serial ATA Connectors : SATA_1/2
The Serial ATA connector is used to connect with SATA
Hard Disk or CD devices which supporting this feature.
The current Serial ATA II interface allows up to 300MB/s
data transfer rate.
Fan Headers : CPU_FAN, SYS_FAN
There are two main fan headers on this motherboard. The
fan speed can be controlled and monitored in “PC Health
Status” section of the BIOS Setup. These fans can be
automatically turned off after the system enters S3, S4
and S5 sleeping states.
TPM Connector : TPM
The TPM (Trusted Platform Module) provides the ability
to the PC to run applications more secure and to make
transactions and communication more trustworthy. To
utilize this function, you should purchase additional device
and install it.
SATA _1/2
GND
TX+
TXGND
RXRX+
GND
1
PORT1_L
PORT1_R
PORT2_L
SENSE_SEND
SENSE1_RETURN
PRESENCEJ
EMPTY
SENSE2_RETURN
AUD_GND
1
2
109
F_AUDIO
PORT2_R
LCLK#
LFRAME#
LRESET#
LAD3
VDD
LAD0
SB3V
NC
GND
LPCPD#
GND
EMPTY
LAD2
NC
LAD1
GND
NC
SERIRQ
CLKRUN#
NC
1 2
19 20
TPM
CPU_FAN/SYS_FAN
GND
POWER
SENSE
CONTROL
1
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