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CS331-C246/Q370
MicroATX Industrial Motherboard
User’s Manual
A52400852
Preliminary
Version
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2
Copyright
This publication contains information that is protected by copyright. No part of it may be reproduced in any form or by any means or used to make any transformation/adaptation without
the prior written permission from the copyright holders.
This publication is provided for informational purposes only. The manufacturer makes no
representations or warranties with respect to the contents or use of this manual and specifically disclaims any express or implied warranties of merchantability or fitness for any particular
purpose. The user will assume the entire risk of the use or the results of the use of this document. Further, the manufacturer reserves the right to revise this publication and make changes
to its contents at any time, without obligation to notify any person or entity of such revisions
or changes.
Changes after the publication’s first release will be based on the product’s revision. The website
will always provide the most updated information.
© 2019. All Rights Reserved.
Trademarks
Product names or trademarks appearing in this manual are for identification purpose only and
are the properties of the respective owners.
FCC and DOC Statement on Class B
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 when the equipment is operated in a residential
installation. This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction manual, 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 following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the 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 TV 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.
2. Shielded interface cables must be used in order to comply with the emission limits.
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Copyright .............................................................................................................2
Trademarks ........................................................................................................2
FCC and DOC Statement on Class B ..................................................... 2
Warranty ..............................................................................................................4
Static Electricity Precautions ......................................................................4
Safety Measures ..............................................................................................4
About the Package .........................................................................................5
Optional Items..................................................................................................5
Before Using the System Board ...............................................................5
Chapter 1 - Introduction .............................................................................6
Specifications ................................................................................................6
Features ..........................................................................................................7
Chapter 2 - Hardware Installation ................................................9
Board Layout .................................................................................................9
System Memory ............................................................................................9
Installing the DIMM Module ........................................................................10
CPU ................................................................................................................ 11
Installing the CPU ....................................................................................... 12
Installing the Fan and Heat Sink..................................................................14
Jumper Settings ......................................................................................... 15
COM1/COM2 RS232/422/485 Select ............................................................. 15
COM1/COM2 RS232/Power Select ................................................................ 16
Clear CMOS Data ........................................................................................ 17
Rear Panel I/O Ports .................................................................................18
PS/2 Keyboad/Mouse Port ........................................................................... 18
COM (Serial) Ports ...................................................................................... 19
Graphics Interfaces ..................................................................................... 20
RJ45 LAN Ports ...........................................................................................21
USB Ports ...................................................................................................21
Audio ......................................................................................................... 22
I/O Connectors ........................................................................................... 23
SATA (Serial ATA) Connectors ...................................................................... 23
Digital I/O Connector .................................................................................. 23
Cooling Fan Connectors...............................................................................24
Power Connectors .......................................................................................24
Chassis Intrusion Connector ........................................................................ 25
Front Panel Connector ................................................................................25
LAN LED Connector .................................................................................... 26
S/PDIF Connector ....................................................................................... 26
SMBus Connector .......................................................................................27
Standby Power LED .................................................................................... 27
LPC Connector ............................................................................................ 28
Connecting the EXT-RS232/RS485 Card to the Motherboard ......................... 28
Expansion Slots .......................................................................................... 29
Battery ....................................................................................................... 29
Chapter 3 - BIOS Setup ............................................................... 30
Overview....................................................................................................... 30
Insyde BIOS Setup Utility ........................................................................ 31
Main .......................................................................................................... 31
Advanced ................................................................................................... 31
Security ...................................................................................................... 44
Boot........................................................................................................... 44
Exit ............................................................................................................ 45
Updating the BIOS .................................................................................... 46
Notice: BIOS SPI ROM ............................................................................. 46
Chapter 4 - Supported Software ................................................ 47
Chapter 5 - RAID .......................................................................... 54
Chapter 6 - Intel AMT Settings ................................................... 58
Table of Contents
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Warranty
1. Warranty does not cover damages or failures that arised from misuse of the product,
inability to use the product, unauthorized replacement or alteration of components and
product specifications.
2. The warranty is void if the product has been subjected to physical abuse, improper installation, modification, accidents or unauthorized repair of the product.
3. Unless otherwise instructed in this user’s manual, the user may not, under any circumstances, attempt to perform service, adjustments or repairs on the product, whether in or
out of warranty. It must be returned to the purchase point, factory or authorized service
agency for all such work.
4. We will not be liable for any indirect, special, incidental or consequencial damages to the
product that has been modified or altered.
Static Electricity Precautions
It is quite easy to inadvertently damage your PC, system board, components or devices even
before installing them in your system unit. Static electrical discharge can damage computer
components without causing any signs of physical damage. You must take extra care in handling them to ensure against electrostatic build-up.
1. To prevent electrostatic build-up, leave the system board in its anti-static bag until you are
ready to install it.
2. Wear an antistatic wrist strap.
3. Do all preparation work on a static-free surface.
4. Hold the device only by its edges. Be careful not to touch any of the components, contacts
or connections.
5. Avoid touching the pins or contacts on all modules and connectors. Hold modules or connectors by their ends.
Safety Measures
To avoid damage to the system:
• Use the correct AC input voltage range.
To reduce the risk of electric shock:
• Unplug the power cord before removing the system chassis cover for installation or servicing. After installation or servicing, cover the system chassis before plugging the power
cord.
Important:
Electrostatic discharge (ESD) can damage your processor, disk drive and other components. Perform the upgrade instruction procedures described at an ESD workstation only. If such a station is not available, you can provide some ESD protection by
wearing an antistatic wrist strap and attaching it to a metal part of the system chassis. If a wrist strap is unavailable, establish and maintain contact with the system
chassis throughout any procedures requiring ESD protection.
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About the Package
The package contains the following items. If any of these items are missing or damaged,
please contact your dealer or sales representative for assistance.
• One CS331-C246/Q370 motherboard
• One COM port cable (With Bracket, Length: 300mm, 2 x COM ports)
• One Serial ATA data cable (With LOCK, Length: 500mm)
• One I/O shield
The board and accessories in the package may not come similar to the information listed
above. This may differ in accordance to the sales region or models in which it was sold. For
more information about the standard package in your region, please contact your dealer or
sales representative.
Optional Items
• USB 2.0 port cable (Length: 350/398mm)
• USB 3.1 Gen 2 port cable (Length: TBD)
• COM port cable (Length: 300mm, 2 x COM ports)
• Serial ATA data cable (Length: 500mm, With LOCK)
• Thermal solution (For 35W, Height: 37.3mm)
• Thermal solution (For 65W, Height: 72.8mm)
• Thermal solution (For 95W, Height: TBD)
• LPC EXT-RS232 module (4 x RS232 ports)
• LPC EXT-RS485 module (4 x RS485 ports)
The board and accessories in the package may not come similar to the information listed
above. This may differ in accordance to the sales region or models in which it was sold. For
more information about the standard package in your region, please contact your dealer or
sales representative.
Before Using the System Board
Before using the system board, prepare basic system components.
If you are installing the system board in a new system, you will need at least the following
internal components.
• A CPU
• Memory module
• Storage devices such as hard disk drive, etc.
You will also need external system peripherals you intend to use which will normally include at
least a keyboard, a mouse and a video display monitor.
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Chapter 1 - Introduction
Specifications
SYSTEM Processor CS331-C246:
Intel® Xeon® E-2176G/2124G Processors, LGA 1151 Socket, TDP up to 80W
8th Generation Intel
®
CoreTM/Pentium®/Celeron® Processors, LGA 1151 Socket, TDP up to 95W
CS331-Q370:
8th Generation Intel
®
CoreTM/Pentium®/Celeron® Processors, LGA 1151 Socket, TDP up to
95W
Chipset CS331-C246:
Intel
®
C246 Chipset
CS331-Q370:
Intel
®
Q370 Chipset
Memory CS331-C246:
Four 288-pin DIMM up to 64GB
Dual Channel DDR4 2400/2666 MHz (ECC/non ECC support)
CS331-Q370:
Four 288-pin DIMM up to 64GB
Dual Channel DDR4 2400/2666 MHz (non ECC support)
BIOS AMI SPI 128Mbit
GRAPHICS Controller Intel® HD Gen 9 Graphics
Feature OpenGL 5.0, DirectX 12, OpenCL 2.1
HW Decode: AVC/H.264, MPEG2, VC1/WMV9, JPEG/MJPEG, HEVC/H265, VP8, VP9
HW Encode: MPEG2, AVC/H264, JPEG, HEVC/H265, VP8, VP9
Display 1 x HDMI
1 x DVI-I (DVI-D signal)
1 x DP++
HDMI 1.2: resolution up to 1920x1200 @ 60Hz
HDMI 2.0a: resolution up to 4096x2160 @ 60Hz (opt., MOQ required)
DVI-D: resolution up to 1920x1200 @ 60Hz
DP++: resolution up to 4096x2106 @ 60Hz
Triple
Displays
HDMI + DVI-D + DP++
EXPANSION Interface 2 x PCIe x16 (Gen 3) (1 x16 signals or 2 x8 signals)
2 x PCIe x4 (Gen 3)
1 x mini PCIe (PCIe/mSATA/USB2.0)
1 x M.2 2242/2260/2280 M key (PCIe Gen3 x 4 NVMe)
AUDIO
Audio
Codec
Realtek ALC888
ETHERNET Controller CS331-C246:
1 x Intel
®
I211AT PCIe (10/100/1000Mbps)
1 x Intel
®
I219LM PCIe (10/100/1000Mbps) with iAMT 12.0 (only Xeon, Core i7/i5 support
iAMT)
CS331-Q370:
1 x Intel
®
I211AT PCIe (10/100/1000Mbps)
1 x Intel
®
I219LM PCIe (10/100/1000Mbps) with iAMT 12.0 (only Core i7/i5 supports iAMT)
REAR I/O Ethernet 2 x GbE (RJ-45)
USB 2 x USB 3.1 Gen 2
2 x USB 3.1 Gen 1
2 x USB 2.0
REAR I/O Serial 1 x RS-232/422/485 (RS-232 with power) (DB-9)
PS/2 1 x PS/2 (mini-DIN-6)
Display 1 x HDMI
1 x DVI-I (DVI-D signal)
1 x DP++
Audio 1 x Line-out
1 x Line-in (colay, opt., MOQ required)
1 x Mic-in
INTERNAL I/O Serial 1 x RS-232/422/485 (RS-232 with power) (2.54mm pitch)
2 x RS-232 (2.54mm pitch)
USB 2 x USB 3.1 Gen 2
4 x USB 2.0 (2.54mm pitch) (1 x USB 2.0 colay vertical Type A) (opt., MOQ required)
Audio 1 x S/PDIF
1 x Front Audio Header
SATA CS331-C246:
6 x SATA 3.0 (up to 6Gb/s)
RAID 0/1/5/10
CS331-Q370:
5 x SATA 3.0 (up to 6Gb/s)
RAID 0/1/5/10
DIO 1 x 8-bit DIO
LPC 1 x LPC (supports LPC EXT-RS232/RS485 module)
SMBus 1 x SMBus
WATCHDOG
TIMER
Output &
Interval
System Reset, Programmable via Software from 1 to 255 sec/min
SECURITY TPM Infineon TPM 1.2/2.0 (opt., MOQ required)
POWER Type ATX
Connector 8-pin ATX 12V power
24-pin ATX power
RTC Battery CR2032 Coin Cell
OS SUPPORT Windows 10 IoT Enterprise 64-bit
Ubuntu 18.04
ENVIRONMENT Temperature Operating: 0 to 60°C
Storage: -30 to 60°C with RTC Battery; -40 to 85°C without RTC Battery
Humidity Operating: 5 to 90% RH
Storage: 5 to 90% RH
MECHANICAL Dimensions microATX Form Factor
244mm (9.6") x 244mm (9.6")
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Features
• Watchdog Timer
The Watchdog Timer function allows your application to regularly “clear” the system at the set
time interval. If the system hangs or fails to function, it will reset at the set time interval so
that your system will continue to operate.
• DDR4
DDR4 delivers increased system bandwidth and improves performance. The advantages of
DDR4 provide an extended battery life and improve the performance at a lower power than
DDR3/DDR2.
• Graphics
The integrated Intel® HD graphics engine delivers an excellent blend of graphics performance
and features to meet business needs. It provides excellent video and 3D graphics with outstanding graphics responsiveness. These enhancements deliver the performance and compatibility needed for today’s and tomorrow’s business applications. Supports 1 x HDMI, 1 x DVI-I
(DVI-D signal) and 1 x DP++ interfaces for triple display outputs.
• PCI Express
PCI Express is a high bandwidth I/O infrastructure that possesses the ability to scale speeds
by forming multiple lanes. The PCI Express architecture also supports high performance graphics infrastructure by enhancing the capability of a PCIe x16 Gen 3 at 16GB/s bandwidth.
• Serial ATA
Serial ATA is a storage interface that is compliant with SATA 1.0a specification. With speed of
up to 6Gb/s (SATA 3.0), it improves hard drive performance faster than the standard parallel
ATA whose data transfer rate is 100MB/s.
• Gigabit LAN
Intel® I211AT PCIe and Intel® I219LM PCIe with iAMT12.0 (only Xeon, Core i7/i5 supports
iAMT) Gigabit LAN controllers support up to 1Gbps data transmission.
• Audio
The Realtek ALC888S-VD2-GR audio codec provides 5.1-channel High Definition audio output.
• Wake-On-PS/2
This function allows you to use the PS/2 keyboard or PS/2 mouse to power-on the system.
Important:
The 5V_standby power source of your power supply must support ≥720mA.
Important:
The 5V_standby power source of your power supply must support ≥720mA.
• Wake-On-USB
This function allows you to use a USB keyboard or USB mouse to wake up a system from the
S3 (STR - Suspend To RAM) state.
• RTC Timer
The RTC installed on the system board allows your system to automatically power-on on the
set date and time.
• ACPI STR
The system board is designed to meet the ACPI (Advanced Configuration and Power Interface)
specification. ACPI has energy saving features that enables PCs to implement Power Management and Plug-and-Play with operating systems that support OS Direct Power Management.
ACPI when enabled in the Power Management Setup will allow you to use the Suspend to RAM
function
.
With the Suspend to RAM function enabled, you can power-off the system at once by pressing
the power button or selecting “Standby” when you shut down Windows
®
without having to go
through the sometimes tiresome process of closing files, applications and operating system.
This is because the system is capable of storing all programs and data files during the entire
operating session into RAM (Random Access Memory) when it powers-off. The operating session will resume exactly where you left off the next time you power-on the system.
Important:
If you are using the Wake-On-USB Keyboard/Mouse function for 2 USB ports, the
5V_standby power source of your power supply must support ≥1.5A. For 3 or more
USB ports, the 5V_standby power source of your power supply must support ≥2A.
• Wake-On-LAN
This feature allows the network to remotely wake up a Soft Power Down (Soft-Off) PC. It is
supported via the onboard LAN port or via a PCI LAN card that uses the PCI PME (Power Management Event) signal. However, if your system is in the Suspend mode, you can power-on
the system only through an IRQ or DMA interrupt.
Important:
The 5V_standby power source of your power supply must support ≥720mA.
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• Power Failure Recovery
When power returns after an AC power failure, you may choose to either power-on the system
manually or let the system power-on automatically.
• USB
The system board supports the new USB 3.1 Gen 2. It is capable of running at a maximum
transmission speed of up to 10 Gbit/s (1.2 GB/s) and is faster than USB 3.1 Gen 1 (5 Gbit/s,
or 625 MB/s), USB 2.0 (480 Mbit/s, or 60 MB/s) and USB 1.1 (12Mb/s). USB 3.1 reduces the
time required for data transmission, reduces power consumption, and is backward compatible
with USB 2.0. It is a marked improvement in device transfer speeds between your computer
and a wide range of simultaneously accessible external Plug and Play peripherals.
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Chapter 2 Hardware Installation
Chapter 2
Chapter 2 - Hardware Installation
Board Layout
2
2
G2
Battery
System Memory
DDR4_3
Features
Important:
Electrostatic discharge (ESD) can damage your board, processor, disk drives, add-in
boards, and other components. Perform installation procedures at an ESD workstation
only. If such a station is not available, you can provide some ESD protection by wearing an antistatic wrist strap and attaching it to a metal part of the system chassis. If
a wrist strap is unavailable, establish and maintain contact with the system chassis
throughout any procedures requiring ESD protection.
Important:
When the Standby Power LED lights red, it indicates that there is power on the
system board. Power-off the PC then unplug the power cord prior to installing any devices. Failure to do so will cause severe damage to the motherboard and components.
2
2
G2
M.2 M Key
PCIe 4 (PCIe x4)
Standby
Power
LED
ATX Power
1
12 24
13
21
13
14
LPC
TPM
(optional)
Chassis
Intrusion
1
System Fan 1
1
12
11
Front Panel
12
LAN LED
7
8
1
5
2
SMBus
SPI
Flash
BIOS
PCIe 2 (PCIe x16)
Intel I211AT
1
Clear CMOS (JP5)
C246/Q370
Intel
PCIe 3 (PCIe x4)
DDR4_1
DDR4_3
DDR4_4DDR4_2
PCIe 1 (PCIe x16)
CPU Fan
1
+12V
Power
4
3
Mini PCIe
Nuvoton
NCT6116D
1
USB 2.0
1
DIO
1921
1
S/PDIF
Realtek
ALC888S
Front
Audio
21
910
PS/2 KB/MS
USB 5-6
USB 2.0
COM 1
HDMI
Line-in (opt.)
Line-out
Mic-in
LAN 1
USB 1-2
USB 3.1 Gen 1
USB 9-10
or Optional
Vertical USB 9
210
1
9
1
9
19
COM 2
2
COM 3
2
COM 4
2
1
1
1
SATA 2
SATA 1
SATA 0
SATA 3.0
COM 2
RS232/Power
Select (JP7)
SATA 6
(CS331-C246 only)
SATA 5
SATA 3.0
1
Battery
Battery
Intel I219LM
Buzzer
6
51
COM 1
RS232/422/485
Select (JP2)
2
COM 1 RS232/Power
Select (JP4)
COM 1 RS232/422/485
Select (JP3)
6
5
2
1
6
52165216521
(JP10)(JP6)
(JP8)
COM 2
RS232/422/485
Select
481
5
System
Fan 2
SATA 3
COM 1
RS232/422/485
Select (JP1)
1
USB 3.1 1-2
Power Select (JP15)
USB 3.1 3-4 Power Select (JP16)
1
Mini PCIe/mSATA Signal Select
(JP9)
USB 2.0 7-8
Power Select
(JP17)
1
USB 2.0 9-10 Power Select (JP18)
1
11
USB 2.0 5-6 Power Select (JP21)
(JP20)
(JP21)
PS/2 Power Select (JP20)
110
1120
USB 5-6
1
USB 3.1 5-6
Power Select (JP19)
USB 3.1 Gen 2
1
11
10 2
1
1
System
Fan 3
6262
5151
62
51
USB 7-8
DVI-I
(DVI-D signal)
DP++
LAN 2
USB 3-4
USB 3.1 Gen 2
LGA 1151 Socket
Standby Power LED
DDR4_1
DDR4_2
DDR4_4
• Four 288-pin DIMM up to 64GB
• The four DIMM sockets are divided into 2 channels:
Channel A - DDR4_1 and DDR4_2
Channel B - DDR4_3 and DDR4_4
• Dual Channel DDR4 2400/2666 MHz
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Chapter 2 Hardware Installation
Chapter 2
The system board supports the following memory interface.
Single Channel (SC)
Data will be accessed in chunks of 64 bits (8B) from the memory channels.
Dual Channel (DC)
Data will be accessed in chunks of 128 bits from the memory channels. Dual channel provides
better system performance because it doubles the data transfer rate.
Single Channel
DIMMs are on the same channel.
DIMMs in a channel can be identical or
completely different. However, we highly
recommend using identical DIMMs.
Not all slots need to be populated.
Dual Channel
DIMMs of the same memory configuration
are on different channels.
Installing the DIMM Module
Note:
The system board used in the following illustrations may not resemble the actual
board. These illustrations are for reference only.
1. Make sure the PC and all other peripheral devices connected to it has been powered down.
2. Disconnect all power cords and cables.
3. Locate the DIMM socket on the system board.
4. Push the “ejector tabs” which are at the ends of the socket to the side.
Ejector tab
Ejector tab
5. Note how the module is keyed to the socket.
Key
Notch
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Chapter 2 Hardware Installation
Chapter 2
CPU
The system board is equipped with a surface mount LGA 1151 socket. This socket is exclusively designed for installing a LGA 1151 packaged Intel CPU.
Protective
cap
Important:
1. Before you proceed, make sure (1) the LGA 1151 socket comes with a protective
cap, (2) the cap is not damaged and (3) the socket’s contact pins are not bent. If
the cap is missing or the cap and/or contact pins are damaged, contact your dealer
immediately.
2. Make sure to keep the protective cap. RMA requests will be accepted and processed only if the LGA 1151 socket comes with the protective cap.
Note:
The system board used in the following illustrations may not resemble the actual
board. These illustrations are for reference only.
7. Seat the module vertically, pressing it down firmly until it is completely seated in the
socket.
6. Grasping the module by its edges, position the module above the socket with the “notch”
in the module aligned with the “key” on the socket. The keying mechanism ensures the
module can be plugged into the socket in only one way.
8. The ejector tabs at the ends of the socket will automatically snap into the locked position
to hold the module in place.
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Chapter 2 Hardware Installation
Chapter 2
Important:
The CPU socket must not come in contact with anything other than the CPU. Avoid
unnecessary exposure. Remove the protective cap only when you are about to install
the CPU.
2
2
G2
Battery
Installing the CPU
1. Make sure the PC and all other peripheral devices connected to it has been powered down.
2. Disconnect all power cords and cables.
3. Locate the LGA 1151 CPU
socket on the system
board.
4. Unlock the socket by pushing the load lever down,
moving it sideways until it
is released from the retention tab; then lift the load
lever up.
Retention tab
Load lever
6. Remove the protective cap
from the CPU socket. The
cap is used to protect the
CPU socket against dust
and harmful particles.
Remove the protective cap
only when you are about
to install the CPU.
Load lever
Load
plate
5. Lifting the load lever will at
the same time lift the load
plate.
Lift the load lever up to
the angle shown on the
photo.
Protective cap
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Chapter 2 Hardware Installation
Chapter 2
Important:
The CPU will fit in only one orientation and can easily be inserted without exerting
any force.
7. Insert the CPU into the
socket. The gold triangular
mark on the CPU must
align with the corner of
the CPU socket shown on
the photo.
The CPU’s notch will at
the same time fit into the
socket’s alignment key.
Alignment key
Alignment key
Gold triangular mark
8. Close the load plate then
push the load lever down.
While closing the load
plate, make sure the front
edge of the load plate
slides under the retention
knob.
Retention knob
9. Hook the load lever under
the retention tab.
Load lever
Retention tab
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Chapter 2 Hardware Installation
Chapter 2
2
2
G2
Battery
2
2
G2
Battery
Installing the Fan and Heat Sink
The CPU must be kept cool by using a CPU fan with heat sink. Without sufficient air circulation across the CPU and heat sink, the CPU will overheat damaging both the CPU and system
board.
1. Before you install the fan / heat sink, you must apply a thermal paste onto the top of the
CPU. The thermal paste is usually supplied when you purchase the fan / heat sink assembly. Do not spread the paste all over the surface. When you later place the heat sink on
top of the CPU, the compound will disperse evenly.
Some heat sinks come with a patch of pre-applied thermal paste. Do not apply thermal
paste if the fan / heat sink already has a patch of thermal paste on its underside. Peel the
strip that covers the paste before you place the fan / heat sink on top of the CPU.
2. Place the heat sink on top
of the CPU. The 4 screw
around the heat sink,
which are used to secure
the heat sink onto the system board, must match the
4 mounting holes around
the socket.
Mounting hole
3. Orient the heat sink such
that the CPU fan’s cable is
nearest the CPU fan connector.
CPU fan connector
4. Rotate each screw that are
diagonally across the heat
sink. Perform the same
procedure for the other
screws.
Heat sink
“Locked” position of
screw
5. Connect the CPU fan’s
cable to the CPU fan
connector on the system
board.
“Unlocked” position
of screw
Note:
A boxed Intel® processor already includes the CPU fan and heat sink assembly. If your
CPU was purchased separately, make sure to only use Intel
®
-certified fan and heat
sink.
2
2
G2
Battery
CPU fan connector
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Chapter 2 Hardware Installation
Chapter 2
2
2
G2
Battery
Jumper Settings
Clear CMOS
If you encounter the followings,
a) CMOS data becomes corrupted.
b) You forgot the supervisor or user password.
you can reconfigure the system with the default values stored in the ROM BIOS.
To load the default values stored in the ROM BIOS, please follow the steps below.
1. Power-off the system and unplug the power cord.
2. Set JP5 pins 2 and 3 to On. Wait for a few seconds and set JP5 back to its default setting,
pins 1 and 2 On.
3. Now plug the power cord and power-on the system.
JP5
2-3 On:
Clear CMOS
1-2 On:
Normal (default)
312
312
Mini PCIe/mSATA Signal Select
JP9 is used to select the Mini PCIe (full-size) signal: Mini PCIe (default) or mSATA.
2
2
G2
Battery
JP9
2-3 On:
mSATA
1-2 On:
Mini PCIe
(default)
312
312
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16
Chapter 2 Hardware Installation
Chapter 2
COM1/COM2 RS232/422/485 Select
2
2
G2
Battery
JP1/JP2/JP3 (for COM 1) and JP6/JP8/JP10 (for COM 2) are used to configure the COM ports
to RS232, RS422 (Full Duplex) or RS485. When COM 1 RS232/422/485 is selected, JP1 and
JP2 must be set in accordance to JP3. When COM 2 RS232/422/485 is selected, JP6 and JP8
must be set in accordance to JP10. The pin functions of the COM ports will vary according to
the jumpers’ setting.
COM 2
COM 1
JP8 (COM 2)
2
1
9
JP1 (COM 1)
JP3
(COM 1)
JP2
(COM 1)
JP6 (COM 2)
JP10 (COM 2)
JP3 (COM1)/JP10 (COM2)
COM 1/COM 2
1
2345
6789
1-3, 4-6 On:
RS232 (default)
3-5, 4-6 On:
RS422 Full Duplex
3-5, 2-4 On:
RS485
2 4 6
13 5
2 4
6
1
3
5
2
4 6
13
5
2
1
9
Pin RS232 RS422 Full Duplex RS485
1
DCD- RXD+ DATA+
2
RD RXD- DATA-
3
TD TXD+ N.C.
4
DTR- TXD- N.C.
5
GND GND GND
6
DSR- N.C. N.C.
7
RTS- N.C. N.C.
8
CTS- N.C. N.C.
9
RI- N.C. N.C.
JP1/JP2 (COM 1)
1-3, 2-4 On:
RS232 (default)
3-5, 4-6 On:
RS422 Full Duplex
3-5, 4-6 On:
RS485
JP6/JP8 (COM 2)
2 4 6
1
3
5
2 4 6
1
3
5
2 4
6
13
5
1-3, 2-4 On:
RS232 (default)
3-5, 4-6 On:
RS422 Full Duplex
3-5, 4-6 On:
RS485
2
4 6
13
5
2
4
6
1
3
5
2
4
6
1
3
5
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Chapter 2 Hardware Installation
Chapter 2
JP7 (COM 2)
COM1/COM2 RS232 Power Select
2
2
G2
Battery
COM 2
COM 1
2
1
9
JP4 (COM 1)
JP4 (for COM 1) and JP7 (for COM 2) are used to configure Serial COM ports to pure RS232
or RS232 with power. The pin functions of COM 1 and COM 2 will vary according to JP4’s and
JP7’s setting respectively.
COM 1/COM 2
1
2345
6789
2
19
Pin RS232 RS232 with power
1
DCD- +12V
2
RD RD
3
TD TD
4
DTR- DTR-
5
GND GND
6
DSR- DSR-
7
RTS- RTS-
8
CTS- CTS-
9
RI- +5V
JP4 (COM 1)
1-3 (RI-), 2-4 (DCD-) On:
RS232 (default)
3-5 (+5V), 4-6 (+12V) On:
RS232 with power
JP7 (COM 2)
2 4
6
1
3
5
2 4
6
1
3 5
1-3 (RI-), 2-4 (DCD-) On:
RS232 (default)
3-5 (+5V), 4-6 (+12V) On:
RS232 with power
2 4
6
1
3
5
2 4
6
1
3
5
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18
Chapter 2 Hardware Installation
Chapter 2
JP15, JP16, JP17, JP18, JP19 and JP21 are used to select the power of the USB ports. Selecting +5VDU will allow you to use a USB device to wake up the system.
USB Power Select
2-3 On: +5V
1-2 On:
+5VDU (default)
Important:
If you are using the Wake-On-USB Keyboard/Mouse function for 2 USB ports, the
+5V_standby power source of your power supply must support ≥1.5A. For 3 or more
USB ports, the +5V_standby power source of your power supply must support ≥2A.
3
1
2
3
1
2
1
3
2
1
3
2
2
2
G2
Battery
USB 2.0 5-6
(JP21)
USB 3.1 1-2
(JP15)
USB 3.1 5-6
(JP19)
1-2 On:
+5VDU (default)
1-2 On:
+5VDU (default)
2-3 On: +5V
2-3 On: +5V
2-3 On: +5V
1-2 On:
+5VDU (default)
312
312
USB 3.1 3-4
(JP16)
1-2 On:
+5VDU (default)
2-3 On: +5V
USB 2.0 9-10
(JP18)
1-2 On:
+5VDU (default)
2-3 On: +5V
USB 2.0 7-8
(JP17)
PS/2 Power Select
JP20 is designed to select the PS/2 power: +5VDU (default) or +5V.
2
2
G2
Battery
JP20
2-3 On:
+5V
1-2 On:
+5VDU (default)
1
3
2
1
3
2
1
3
2
1
3
2
312
312
312
312
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Chapter 2 Hardware Installation
Chapter 2
Rear Panel I/O Ports
The rear panel I/O ports consist of the following:
• 1 PS/2 Keyboard/Mouse port
• 2 USB 2.0 ports
• 1 Serial COM port
• 1 HDMI port
• 1 DVI-I (DVI-D signal) port
• 1 DP++ port
• 2 RJ45 LAN ports
• 2 USB 3.1 Gen 1 ports
• 2 USB 3.1 Gen 2 ports
• 1 Line-in jack (optional)
• 1 Line-out jack
• 1 Mic-in jack
PS/2 Keyboard/Mouse Port
PS/2 Keyboard/Mouse
This rear I/O port is used to connect a PS/2 mouse and a PS/2 keyboard. The PS/2 mouse
port uses IRQ12.
Wake-On-PS/2 Keyboard/Mouse
The Wake-On-PS/2 Keyboard/Mouse function allows you to use the PS/2 keyboard or PS/2
mouse to power-on the system. To use this function:
• BIOS Setting
Configure the wake-up function of PS/2 keyboard/mouse in the Advanced menu (“ACPI Configuration” submenu) of the BIOS. Refer to the chapter 3 for more information.
HDMI
DVI-I
(DVI-D signal)
Line-out
Mic-in
LAN 1
COM 1
DP++
PS/2 KB/MS
USB 3.1
Gen 1
USB 2.0
LAN 2
2
2
G2
Battery
Important:
The +5V_standby power source of your power supply must support ≥720mA.
USB 3.1
Gen 2
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Chapter 2 Hardware Installation
Chapter 2
COM (Serial) Ports
The pin functions of COM 1 port will vary according to setting of JP1, JP2, JP3 and JP4. Refer
to “COM1/COM2 RS232/422/485 Select” and “COM1/COM2 RS232/Power Select” in this chapter
for more information.
The pin functions of COM 2 port will vary according to setting of JP6, JP7, JP8 and JP10. Refer
to “COM1/COM2 RS232/422/485 Select” and “COM1/COM2 RS232/Power Select” in this chapter
for more information.
COM 3 and COM 4 are fixed at RS232. The pin functions are listed at right.
The serial ports are asynchronous communication ports with 16C550A-compatible UARTs that
can be used with modems, serial printers, remote display terminals, and other serial devices.
Connecting External Serial Ports
Your COM port may come mounted on a card-edge bracket. Install the card-edge bracket to
an available slot at the rear of the system chassis then insert the serial port cable to the COM
connector. Make sure the colored stripe on the ribbon cable is aligned with pin 1 of the COM
connector.
BIOS Setting
Configure the serial COM ports in the Advanced menu (“SIO NUVOTON6116D” submenu) of
the BIOS. Refer to the chapter 3 for more information.
2
2
G2
Battery
COM 1:
RS232/422/485
COM 1
COM 3/4: RS232
Pin Pin Assignment
1
DCD-
2
RD
3
TD
4
DTR-
5
GND
6
DSR-
7
RTS-
8
CTS-
9
RI-
COM 3/4
COM 2:
RS232/422/485
2
1
9
2
1
9
COM 2
COM 4COM 3
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Chapter 2 Hardware Installation
Chapter 2
Graphics Interfaces
The display ports consist of the following:
• 1 HDMI port
• 1 DVI-I (DVI-D signal) port
• 1 DP++ port
DP++
2
2
G2
Battery
DVI-I (DVI-D signal)
HDMI
HDMI Port
The HDMI port which carries both digital audio and video signals is used to connect a LCD
monitor or digital TV that has the HDMI port.
DVI-I (DVI-D Signal) Port
The DVI-I port is used to connect a LCD monitor. This port supports DVI-D signal only. Connect the display device’s cable connector to the DVI-I port. After plugging the cable connector
into the port, gently tighten the cable screws to hold the connector in place.
DP++ Port
The DP++ port which carries both digital audio and video signals is used to connect a LCD
monitor or a digital TV that has the DP++ port.
BIOS Setting
Configure the display devices in the Advanced menu (“Video Configuration” submenu) of the
BIOS. Refer to the chapter 3 for more information.
Driver Installation
Install the graphics driver. Refer to the chapter 4 for more information.
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Chapter 2 Hardware Installation
Chapter 2
RJ45 LAN Ports
LAN 2
Features
• 1 Intel® I211AT PCIe
• 1 Intel
®
I219LM PCIe with iAMT12.0
The LAN ports allow the system board to connect to a local area network by means of a
network hub.
BIOS Setting
Configure the onboard LAN ports in the Advanced menu (“ACPI Configuration” submenu) of
the BIOS. Refer to the chapter 3 for more information.
Driver Installation
Install the LAN drivers. Refer to the chapter 4 for more information.
LAN 1
LAN 2
LAN 1
2
2
G2
Battery
2
2
G2
Battery
Audio
Rear Audio
The system board is equipped with 2 audio jacks (Line-out and Mic-in). Line-in jack is available
upon request. A jack is a one-hole connecting interface for inserting a plug.
• Line-in Jack (Light Blue) (optional)
This jack is used to connect any audio devices such as Hi-fi set, CD player, tape player,
AM/FM radio tuner, synthesizer, etc.
• Line-out Jack (Lime)
This jack is used to connect a headphone or external speakers.
• Mic-in Jack (Pink)
This jack is used to connect an external microphone.
Front Audio
The front audio connector allows you to connect to the second line-out and mic-in jacks that
are at the front panel of your system.
BIOS Setting
Configure these Audio devices in the Advanced menu (“Audio Configuration” submenu) of the
BIOS. Refer to the chapter 3 for more information.
Driver Installation
Install the audio driver. Refer to the chapter 4 for more information.
Rear Audio
Line-out
Mic-in
Front
Audio
1
Mic2-L
Line2-R
GND
GND
N.C.
2
10
Mic2-JD
Line2-JD
9
Mic2-R
Line2-L
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23
Chapter 2 Hardware Installation
Chapter 2
Important:
If you are using the Wake-On-USB Keyboard/Mouse function for 2 USB ports, the
+5V_standby power source of your power supply must support ≥1.5A. For 3 or more
USB ports, the +5V_standby power source of your power supply must support ≥2A.
Driver Installation
You may need to install the proper drivers in your system operation to use the USB device.
Refer to your operating system’s manual or documentation for more information.
Wake-On-USB Keyboard/Mouse
The Wake-On-USB Keyboard/Mouse function allows you to use a USB keyboard or USB mouse
to wake up a system from the S3 (STR - Suspend To RAM) state.
USB Ports
The USB device allows data exchange between your computer and a wide range of simultaneously accessible external Plug and Play peripherals.
The system board is equipped with 2 onboard USB 2.0 ports (USB 5-6), 2 onboard USB 3.1
Gen 1 ports (USB 1-2) and 4 onboard USB 3.1 Gen 2 ports (USB 3-4/5-6). The 10-pin connectors allow you to connect 4 additional USB 2.0 ports (USB 7-8/9-10). The additional USB ports
may be mounted on a card-edge bracket. Install the card-edge bracket to an available slot at
the rear of the system chassis and then insert the USB port cables to a connector.
BIOS Setting
Configure these onboard USB devices in the Advanced menu (“USB Configuration” submenu)
of the BIOS. Refer to the chapter 3 for more information.
2
2
G2
Battery
10
VCC
-Data
+Data
GND
VCC
-Data
+Data
GND
N.C.
9
1
2
USB 2.0
USB 2
USB 1
USB 4
USB 3
USB 6
USB 5
USB 2.0
USB 3.1
Gen 1
USB 9-10 or
optional vertical USB 9
USB 7-8
USB 5-6
USB 3.1
Gen 2
USB 3.1
Gen 2
GND
USBP_C_11P
USB3_TX5_C_DN
USB3_TX5_C_DP
1
10
11
20
GND
USB3_RX5_C_DP
USB3_RX5_C_DN
GND
USBP_C_11N
SBV6 GND
USB3_TX6_C_DN
USB3_TX6_C_DP
GND
USB3_RX6_C_DP
USB3_RX6_C_DN
GND
USBP_C_12N
USBP_C_12P
SBV6
2
10
10
9
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Chapter 2 Hardware Installation
Chapter 2
I/O Connectors
SATA (Serial ATA) Connectors
• 5 Serial ATA 3.0 ports with data transfer rate up to 6Gb/s (CS331-Q370)
• 6 Serial ATA 3.0 ports with data transfer rate up to 6Gb/s (CS331-C246)
• Integrated Advanced Host Controller Interface (AHCI) controller
• Supports Intel
®
Smart Response Technology
• Supports RAID 0, RAID 1, RAID 5, RAID 10
The Serial ATA connectors are used to connect Serial ATA devices. Connect one end of the Serial ATA data cable to a SATA connector and the other end to your Serial ATA device.
BIOS Setting
Configure the Serial ATA drives in the Advanced menu (“SATA Configuration” submenu) of the
BIOS. Refer to the chapter 3 for more information.
Features
2
2
G2
Battery
SATA 3.0 6Gb/s
RXN
GND
TXN
TXP
GND
7
1
RXP
GND
The 8-bit Digital I/O connector provides powering-on function to external devices that are
connected to these connectors. The pin functions of the 8-bit digital I/O connector are listed
below.
Digital I/O Connector
Digital I/O Connector
Pin Pin Assignment Pin Pin Assignment
1
GND
2
+12V
3
DIO7
4
+12V
5
DIO6
6
GND
7
DIO5
8
+5V
9
DIO4
10
+5V
11
DIO3
12
GND
13
DIO2
14
+5VDU
15
DIO1
16
+5VDU
17
DIO0
18
GND
19
GND
Digital I/O
2
2
G2
Battery
SATA 0
SATA 1
SATA 2
SATA 3SATA 5SATA 6
(CS331-Q246 only)
1
2
19
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Chapter 2 Hardware Installation
Chapter 2
Cooling Fan Connectors
These fan connectors are used to connect cooling fans. The cooling fans will provide adequate
airflow throughout the chassis to prevent overheating the CPU and system board components.
BIOS Setting
The Advanced menu (“SIO NUVOTON6116D” submenu) of the BIOS will display the current
speed of the cooling fans. Refer to chapter 3 for more information.
CPU Fan
System Fan 2
System Fan 1
2
2
G2
Battery
Power Connectors
Use a power supply that complies with the ATX12V Power Supply Design Guide Version 1.1.
An ATX12V power supply unit has a standard 24-pin ATX main power connector that must be
inserted into the 24-pin connector. The 8-pin +12V power connector enables the delivery of
more +12VDC current to the processor’s Voltage Regulator Module (VRM).
The power connectors from the power supply unit are designed to fit the 24-pin and 8-pin
connectors in only one orientation. Make sure to find the proper orientation before plugging
the connectors.
The system board requires a minimum of 300 Watt power supply to operate. Your system
configuration (CPU power, amount of memory, add-in cards, peripherals, etc.) may exceed the
minimum power requirement. To ensure that adequate power is provided, we strongly recommend that you use a minimum of 400 Watt (or greater) power supply.
Important:
Insufficient power supplied to the system may result in instability or the add-in boards
and peripherals not functioning properly. Calculating the system’s approximate power
usage is important to ensure that the power supply meets the system’s consumption
requirements.
+12V
Power
2
2
G2
Battery
ATX
Power
1
Sense
Power
Ground
3
41
Sense
Power
Ground
Speed
Control
System Fan 3
1
Sense
Power
Ground
3
+12V
Ground
1
4
5
8
13
12 24
1
+3.3V
+3.3V
GND
+5V
GND
+5V
GND
PWR_OK
+5VSB
+12V
+12V
+3.3V
+3.3V
-12V
GND
PS_ON#
GND
GND
GND
N.C.
+5V
+5V
+5V
GND
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Chapter 2 Hardware Installation
Chapter 2
Chassis Intrusion Connector
The board supports the chassis intrusion detection function. Connect the chassis intrusion
sensor cable from the chassis to this connector. When the system’s power is on and a chassis
intrusion occurred, an alarm will sound. When the system’s power is off and a chassis intrusion
occurred, the alarm will sound only when the system restarts.
BIOS Setting
Configure the chassis intrusion detection function in the Advanced menu (“SIO NUVOTON6116D Configuration” submenu) of the BIOS. Refer to the chapter 3 for more information.
1
2
Ground
Signal
Chassis
Intrusion
2
2
G2
Battery
Front Panel Connector
2
2
G2
Battery
Front
Panel
Pin Pin Assignment Pin Pin Assignment
1 N.C.
PWR-LED
2 LED Power
HD-LED
3 HDD Power 4 LED Power
5 Signal 6 Signal
RESET
7 Ground
ATX-SW
8 Ground
9 RST Signal 10 Signal
11 N.C.
HD-LED - Hard Drive LED
This LED will light when the hard drive is being accessed.
RESET - Reset Switch
This switch allows you to reboot without having to power off the system.
PWR-LED - Power/Standby LED
When the system’s power is on, this LED will light. When the system is in the S1 (POS - Power
On Suspend) state, it will blink every second. When the system is in the S3 (STR - Suspend To
RAM) state, it will blink every 4 seconds.
ATX-SW - Power Switch
This switch is used to power on or off the system.
HD-LED
RESET
PWR-LED
ATX- SW
1211
21
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Chapter 2 Hardware Installation
Chapter 2
LAN LED Connector
LAN LED
2
2
G2
Battery
S/PDIF Connector
The S/PDIF connector is used to connect an external S/PDIF port. Your S/PDIF port may be
mounted on a card-edge bracket. Install the card-edge bracket to an available slot at the rear
of the system chassis then connect the audio cable to the S/PDIF connector. Make sure pin 1
of the audio cable is aligned with pin 1 of the S/PDIF connector.
1
5
+5V
SPDIF out
Ground
SPDIF in
2
2
G2
Battery
S/PDIF
78
1
2
The LAN LED connector is used to detect the connection state of RJ45 LAN ports when the
connection is made to an active network via a cable. The pin functions of the LAN LED connector are listed below.
Pin Pin Assignment Pin Pin Assignment
1
GBE_LED_1000-
2
GBE_LED_100-
3
GBE_LED_LINK_ACT-
4
3V3DU
5
LINK_1000_4
6
LINK_100_4
7
LINK_ACTIVITY_4
8
3V3DU
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Chapter 2 Hardware Installation
Chapter 2
2
2
G2
Battery
The SMBus (System Management Bus) connector is used to connect SMBus devices. It is a
multiple device bus that allows multiple chips to connect to the same bus and enable each
one to act as a master by initiating data transfer.
SMBus Connector
SMBus
1
2
5
GND
SMB_Data
SMB_CLK
3V3DU
SMB_Alert
Standby Power LED
This LED will lit red when the system is in the standby mode. It indicates that there is power
on the system board. Power-off the PC and then unplug the power cord prior to installing any
devices. Failure to do so will cause severe damage to the motherboard and components.
Standby Power LED
2
2
G2
Battery
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Chapter 2 Hardware Installation
Chapter 2
LPC Connector
2
2
G2
Battery
LPC
The Low Pin Count Interface was defined by Intel® Corporation to facilitate the industry’s transition towards legacy free systems. It allows the integration of low-bandwidth legacy I/O components within the system, which are typically provided by a Super I/O controller. Furthermore,
it can be used to interface firmware hubs, Trusted Platform Module (TPM) devices and embedded controller solutions. Data transfer on the LPC bus is implemented over a 4 bit serialized
data interface, which uses a 33MHz LPC bus clock. For more information about LPC bus refer
to the Intel
®
Low Pin Count Interface Specification Revision 1.1’. The table below indicates the
pin functions of the LPC connector.
Pin Pin Assignment Pin Pin Assignment
1
CLK
2
LAD1
3
RST#
4
LAD0
5
FRAME#
6
3V3
7
LAD3
8
GND
9
LAD2
10
---
11
SERIRQ
12
GND
13
5VSB
14
5V
Note:
The system board used in the following illustrations may not resemble the actual one.
These illustrations are for reference only.
With DFI’s proprietary technology, CS331-C246/Q370 supports two extension modules for additional four COM ports. The EXT-RS232/RS485 card is connected to CS331-C246/Q370 via the
LPC connector. The illustrations below guide you how to connect the extension module to the
motherboard.
Connecting the EXT-RS232/RS485 Card to the Motherboard
LPC
COM
Top View
LPC
EXT-RS485
Bottom View
DFI Motherboard
EXT-RS232/RS485
Additional 4 COM
EXT-RS485
2
1
14 13
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Chapter 2 Hardware Installation
Chapter 2
The lithium ion battery powers the real-time clock and CMOS memory. It is an auxiliary source
of power when the main power is shut off.
Safety Measures
• Danger of explosion if battery incorrectly replaced.
• Replace only with the same or equivalent type recommended by the manufacturer.
• Dispose of used batteries according to local ordinance
.
Battery
2
2
G2
Battery
Battery
Expansion Slots
M.2 (M Key) Socket
The M.2 socket is the Next Generation Form Factor (NGFF) which is designed to support multiple modules and make the M.2 more suitable in application for solid-state storage.
PCI Express x16 Slot
Install PCI Express x16 graphics card, that comply to the PCI Express specifications, into the
PCI Express x16 slot. To install a graphics card into the x16 slot, align the graphics card above
the slot then press it down firmly until it is completely seated in the slot. The retaining clip of
the slot will automatically hold the graphics card in place.
PCI Express x4 Slot
Install PCI Express cards such as network cards or other cards that comply to the PCI Express
specifications into the PCI Express x4 slot.
Mini PCIe Socket
The full-size Mini PCIe socket supports USB/Mini PCIe/mSATA signals and is used to install a
Mini PCIe card. Mini PCIe and mSATA signals can be switched with the jumper JP9.
2
2
G2
Battery
PCI Express x16
(x8 or x16 Signal)
PCI Express x4
PCI Express x4
PCI Express x16
(x8 or x16 Signal)
M.2 M Key
Mini PCIe
(PCIe/mSATA/USB2.0)
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