DFI CS181 User manual

Mini-ITX Industrial Motherboard
User’s Manual
CS181
ver.A_MP_3-1521_13-13

2User's Manual | CS181
Copyright
This publication contains information that is protected by copyright. No part of it may be repro-
duced 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 specifi-
cally 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 docu-
ment. 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.
© 2022. 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 reason-
able 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 encour-
aged 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 re-
ceiver 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 com-
pliance 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.

3User's Manual | CS181
Table of Contents
Chapter 1 - Introduction................................................................................................................6
Specifications ......................................................................................................................... 6
Features .................................................................................................................................. 8
DDR4................................................................................................................................. 8
Chapter 2 - Hardware Installation................................................................................................9
Board Layout........................................................................................................................... 9
System Memory ...................................................................................................................10
Installing the SO-DIMM Module ...................................................................................10
CPU........................................................................................................................................12
Installing the CPU..........................................................................................................12
Jumper Settings ...................................................................................................................14
Clear CMOS Data (JP1) ................................................................................................14
M.2 Power (M2JP204)..................................................................................................15
LCD Driver Power (DPJP201) .......................................................................................16
DIMM Power (DPJP202) ...............................................................................................17
LCD Backlight Power (DPJP203)..................................................................................18
Rear I/O Ports.......................................................................................................................19
Graphics Display............................................................................................................19
USB Ports .......................................................................................................................20
RJ45 LAN Ports .............................................................................................................20
12V DC-In .......................................................................................................................21
Internal I/O Ports..................................................................................................................22
CPU Fan..........................................................................................................................22
Battery ............................................................................................................................22
eDP ................................................................................................................................23
USB2_5/6........................................................................................................................24
COM (Serial) Port ..........................................................................................................25
SATA (Serial ATA) and SATA Power ...........................................................................26
Front Panel.....................................................................................................................27
LPC .................................................................................................................................28
Digital I/O .......................................................................................................................28
DIO Power ......................................................................................................................29
Front Audio.....................................................................................................................29
Installing the M.2 Module .............................................................................................30
Installing the Mini PCIe Module ...................................................................................31
Chapter 3 - BIOS Settings...........................................................................................................32
Overview ...............................................................................................................................32
Main.......................................................................................................................................33
Advanced .............................................................................................................................33
RC ACPI Configuration..................................................................................................34
CPU Configuration.........................................................................................................34
Power & Performance ...................................................................................................35
PCH-FW Configuration ..................................................................................................35
Trusted Computing........................................................................................................38
NCT5525D Super IO Configuration ..............................................................................39
NCT5525D HW Monitor ................................................................................................40
Serial Port Console Redirection ...................................................................................41
USB Configuration .........................................................................................................42
Network Stack Configuration........................................................................................43
CSM Configuration ........................................................................................................43
USB Power Control........................................................................................................44
Chipset ..................................................................................................................................45
Graphics Configuration .................................................................................................45
PEG Port Configuration.................................................................................................46
PCH-IO Configuration....................................................................................................47
PCI Express Configuration............................................................................................47
SATA And RST Configuration .......................................................................................48
HD Audio Configuration ................................................................................................49
Security .................................................................................................................................50
Secure Boot....................................................................................................................50
Boot .......................................................................................................................................52
Save & Exit ............................................................................................................................52
Updating the BIOS................................................................................................................53
Notice: BIOS SPI ROM..........................................................................................................53

4User's Manual | CS181
About this Manual
This manual can be downloaded from the website. The manual is subject to change and up-
date without notice, and may be based on editions that do not resemble your actual products.
Please visit our website or contact our sales representatives for the latest editions.
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 in-
stallation, modification, accidents or unauthorized repair of the product.
3. Unless otherwise instructed in this user’s manual, the user may not, under any circum-
stances, 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 ser-
vice 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 han-
dling 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, con-
tacts 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 sys-
tem 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 pro-
tection 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.

5User's Manual | CS181
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.
• 1 CS181 motherboard
• 1 Serial ATA data with power cable (Length: 300mm) A81-002013-000G
• 1 COM port cable (Length: 250mm, 1 COM port) A81-015011-001G
• 1 USB port cable (Length: 200mm) A81-001032-016G
The board and accessories in the package may not come similar to the information listed
above. This may differ in accordance with 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
Item Name Part Number Description
I/O shield TBD
COM port cable A81-015011-001G Length: 250mm, 1 COM
port
Serial ATA data cable 332-553001-005G Length: 500mm
Serial ATA power cable A81-002044-016G Length: 300mm
Thermal solution A71-103004-000G
A71-103005-000G
For 35W, Height: 37.3mm
For 65W, Height: 45.3mm
MXM Quadro P2000 612-EGXMXM-100G 58W, 0~55°C
MXM Quadro RTX 3000 612-M3T300-000G 80W, 0~55°C
The board and accessories in the package may not come similar to the information listed
above. This may differ in accordance with 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
When installing the system board in a new system, you will need at least the following internal
components.
• CPU
• Memory module
• Storage device such as hard disk drive .
• Power adaptor
External system peripherals may also be required for navigation and display, including at least
a keyboard, a mouse and a video display monitor.

6
Chapter 1
INTRODUCTION
User's Manual | CS181
Chapter 1 - Introduction
X Specifications
System Processor 9th Generation Intel®Core™ Processors, LGA 1151 Socket, TDP up to 65W
Intel®Core i7-9700E Processor (Core 8; Max speed 4.4 GHz; TDP 65W)
Intel®Core i7-9700TE Processor (Core 8; Max speed 3.8 GHz; TDP 35W)
Intel®Core i5-9500E Processor (Core 6; Max speed 4.2 GHz; TDP 65W)
Intel®Core i5-9500TE Processor (Core 6; Max speed 3.6 GHz; TDP 35W)
Intel®Core i3-9100E Processor (Core 4; Max speed 3.7 GHz; TDP 65W)
Intel®Core i3-9100TE Processor (Core 4; Max speed 3.2 GHz; TDP 35W)
8th Generation Intel®Core™ Processors, LGA 1151 Socket, TDP up to 65W
Intel®Core™ i7-8700 Processor (Core 6; Max speed 4.6 GHz; TDP 65W)
Intel®Core™ i7-8700T Processor (Core 6; Max speed 4.0 GHz; TDP 35W)
Intel®Core™ i5-8500 Processor (Core 6; Max speed 4.1 GHz; TDP 65W)
Intel®Core™ i5-8500T Processor (Core 6; Max speed 3.5 GHz; TDP 35W)
Intel®Core™ i3-8100 Processor (Core 4; Max speed 3.6 GHz; TDP 65W)
Intel®Core™ i3-8100T Processor (Core 4; Max speed 3.1 GHz; TDP 35W)
Intel®Pentium G5400 Processor (Core 2; Max speed 3.7 GHz; TDP 58W)
Intel®Celeron G4900 Processor (Core 2; Max speed 3.1 GHz; TDP 54W)
Chipset Intel®Q370/H310 Chipset
Memory Two 260-pin SODIMM up to 64GB
Dual Channel DDR4 2400/2666MHz
BIOS AMI SPI 128Mbit
Graphics Controller Intel®UHD Graphics 630 (Pentium G5400 and Celeron G4900 support Intel®UHD Graphics 610)
Feature OpenGL 4.5, DirectX 12, OpenCL 2.1
HW Decode: AVC/H.264, MPEG2, VC1/WMV9, JPEG/MJPEG, HEVC/H265, VP8, VP9
HW Encode: AVC/H.264, MPEG2, JPEG, HEVC/H265, VP8, VP9
Display 1 x eDP
1 x DP++/HDMI (auto-detection) (located at front side)
4 x DP (support by MXM Type-A/B module) (located at rear side)
eDP: resolution up to 4096x2304 @ 60Hz
DP: resolution up to 4096x2304 @ 60Hz
HDMI: resolution up to 4096x2160 @ 30Hz
Multiple Displays Onboard: eDP + DP++/HDMI
Onboard+MXM module: eDP + DP++/HDMI + DP + DP + DP + DP
Expansion Interface 1 x MXM Type-A/B/B+/C (support MXM module) (provide 4 x independent DP at rear side), up to
150W
1 x M.2 2280 M Key (Q370: PCIE/SATA Auto, H310: PCIE)
1 x M.2 3042/3052 B Key (Q370: PCIE/USB3, H310:SATA)
1 x M.2 2230 E Key (USB2.0/PCIe x1 Gen2) (support BT/Wi-Fi module)
Audio Audio Codec Realtek ALC888S-VD2-GR
Ethernet Controller Q370: 1 x Intel®I219LM PHY (10/100/1000Mbps) / H310: 1 x Intel®I219V PHY (10/100/1000Mbps)
3 x Intel®I210IT PCIe (10/100/1000Mbps)

7
Chapter 1
INTRODUCTION
User's Manual | CS181
Rear I/O Ethernet 4 x GbE (RJ-45)
USB 4 x USB 3.2 Gen1 (dual type-A connector)
Display 1 x DP++/HDMI (auto-detection)
Internal I/O Serial 2 x RS232/RS422/RS485, Select by BIOS
USB 2 x USB 2.0 (2 x 5 10-pin 2.00mm pitch header)
Display 1 x eDP
1 x LCD/Inverter Power
Audio 1 x Front Audio (2 x 5 10-pin 2.00mm pitch header)
SATA 2 x SATA 3.0 (up to 6Gb/s)
DIO 1 x 8-bit DIO (1 x 8 8-pin 2.00mm pitch header)
1 x DIO Power (1x 4 4-pin 2.00mm pitch header)
LPC 1 x LPC (2 x 7 14-pin 2.00mm pitch female header)
SMBus 1 x SMBus
Watchdog Timer Output & Interval System Reset, Programmable via Software from 1 to 255 Seconds
Security TPM dTPM2.0 (default)
Power Type Single 19V +/-5% DC
Connector DC-in Jack
Consumption Idle: i7-8700: 19V @ 0.91A (17.29Watt) / Max.: i7-8700: 19V @ 7.34A (139.46Watt)
RTC Battery CR2032 Coin Cell
OS Support Microsoft Windows 10 IoT Enterprise 64-bit
Linux Linux
Environment Temperature Operating: -5 to 65°C
Storage: -40 to 85°C
Humidity Operating: 5 to 90% RH
Storage: 5 to 90% RH
MTBF CS181-Q370 : 538,449 hrs @ 25°C; 324,118 hrs @ 45°C ; 213,302 hrs @ 60°C
CS181-H310 : 538,449 hrs @ 25°C; 324,118 hrs @ 45°C ; 213,302 hrs @ 60°C
Calculation model: Telcordia Issue 4, GB, GC – Ground Benign, Controlled
Mechanism Dimensions 195mm (7.7") x 170mm (6.7")
Height PCB: 1.6mm
Top Side: 26mm, Bottom Side: 10mm

8
Chapter 1
INTRODUCTION
User's Manual | CS181
X 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®UHD graphics engine delivers an excellent blend of graphics performance
and features to meet business needs. It provides excellent video and 3D graphics with out-
standing graphics responsiveness. These enhancements deliver the performance and compat-
ibility needed for today’s and tomorrow’s business applications.
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
The Intel®I219V and Intel®I211AT Gigabit Ethernet Controllers support data transmission at
1Gbps.
Audio
The Realtek ALC888-S audio codec provides 7.1 channel High Definition audio output.
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 Man-
agement Event) signal. However, if your system is in the Suspend mode, you can power-on the
system only through an IRQ or DMA interrupt.
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.
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 Manage-
ment 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 ses-
sion will resume exactly where you left off the next time you power-on the system.
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.
RTC Timer
The Real Time Clock (RTC) installed on the system board allows your system to automatically
power-on on the set date and time.

9
Chapter 2
HARDWARE INSTALLATION
User's Manual | CS181
Chapter 2 - Hardware Installation
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.
Note:
Specifications of these components are model-specific. Please refer to the specifi-
cations for detail.
X Board Layout
JP1
MADE IN TAIWAN
DIO
DCIN_19V
DPA/DPB
DP_HDMI
USB2_1/2
USB3_1/2
DPC/DPD
LAN1
LAN2
USB2_3/4
USB3_3/4
LAN3/4
MXM3.1-B
AUDIO
SYS_FAN
DIO Power
LPC
CN59.G4
Front Panel
SATA0(R3) SATA1(R2)
COM2
COM1
USB2_5/6
EDP
CPU_FAN
CN59.G3
Socket LGA1151
MXM
1
1
1
1
1
1
1
2
10
12
12
12
1
1
1
1
1
2
11
1
2
13
14
81
1
1
1
11
2
9
10
M2JP204
DPJP201
DPJP202
DPJP203

10
Chapter 2
HARDWARE INSTALLATION
User's Manual | CS181
• 260-pin SO-DIMM up to 64GB
• DDR4 2400/2666MHz
X System Memory
Features
The system board supports one dual channel DDR4 SO-DIMM memory module.
Single Channel (SC)
Data will be accessed in chunks of 64 bits 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.
Installing the SO-DIMM Module
Before installing the memory module, please make sure that the following safety cautions are
well-attended.
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 SO-DIMM socket on the system board
4. Make sure the notch on memory card is aligned to the key on the socket.
X System Memory
Notch
Retention Notch
Key
Socket Top View
DDR4 SO-DIMM
Retention Clip
45°
Step 1
Step 2
Step 3
MADE IN TAIWAN
DIO
DCIN_19V
DPA/DPB
DP_HDMI
USB2_1/2
USB3_1/2
DPC/DPD
LAN1
LAN2
USB2_3/4
USB3_3/4
LAN3/4
MXM3.1-B
AUDIO
SYS_FAN
DIO Power
LPC
CN59.G4
Front Panel
SATA0(R3) SATA1(R2)
COM2
COM1
USB2_5/6
EDP
CPU_FAN
CN59.G3
Socket LGA1151
MXM
1
1
1
1
1
1
1
2
10
12
12
12
1
1
1
1
1
2
11
1
2
13
14
81
1
1
1
11
2
9
10