JHCTech KMDA-3921 User manual

User’s Manual
KMDA-3921/3920/3610
User’s Manual
Ver.A1.0
Date:25, July, 2019

User’s Manual
Version Note
No.
Ver.
Note
Date
Writer
1
A1.0
first publish
20190725
Tracy Liu

User’s Manual
I
Copyright
The documentation and the software included with this product are copy- righted 2019 by Shenzhen JHC
Technology Co., Ltd. All rights are reserved. Shenzhen JHC Technology Co., Ltd. reserves the right to
make improvements in the products described in this manual at any time without notice. No part of this
manual may be reproduced, copied, translated or transmitted in any form or by any means without the prior
written permission of Shenzhen JHC Technology Co., Ltd. Information provided in this manual is intended
to be accurate and reliable. However, Shenzhen JHC Technology Co., Ltd. assumes no responsibility for
its use, nor for any infringements of the rights of third parties, which may result from its use.
Acknowledgements
Award is a trademark of Award Software International, Inc.
IBM, PC/AT, PS/2 and VGA are trademarks of International Business Machines Corporation.
Intel, Skylake and Kabylake are trademarks of Intel Corporation.
Microsoft Windows and MS-DOS are registered trademarks of Microsoft Corp.
RTL is a trademark of Realtek Semi-Conductor Co., Ltd.
All other product names or trademarks are properties of their respective owners.
For more information on this and other JHC products, please visit our websites at:
http://www.jhctech.com.cn

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Product Warranty (2 years)
JHC warrants to you, the original purchaser, that each of its products will be free from defects in
materials and workmanship for two years from the date of purchase.
This warranty does not apply to any products which have been repaired or altered by persons other than
repair personnel authorized by JHC, or which have been subject to misuse, abuse, accident or improper
installation.
JHC assumes no liability under the terms of this warranty as a consequence of such events.
Because of JHC.s high quality-control standards and rigorous testing, most of our customers never need
to use our repair service. If an JHC product is defective, it will be repaired or replaced at no charge during
the warranty period. For out-of-warranty repairs, you will be billed according to the cost of replacement
materials, service time and freight. Please consult your dealer for more details.
If you think you have a defective product, follow these steps:
1. Collect all the information about the problem encountered. (For example, CPU speed, JHC products
used, other hardware and software used, etc.) Note anything abnormal and list any onscreen messages
you get when the problem occurs.
2. Call your dealer and describe the problem. Please have your manual, product, and any helpful
information readily available.
3. If your product is diagnosed as defective, obtain an RMA (return merchandise authorization) number
from your dealer. This allows us to process your return more quickly.
4. Carefully pack the defective product, a fully-completed Repair and Replacement Order Card and a
photocopy proof of purchase date (such as your sales receipt) in a shippable container. A product
returned without proof of the purchase date is not eligible for warranty service.
5. Write the RMA number visibly on the outside of the package and ship it prepaid to your dealer.

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Declaration of Conformity
CE
This product has passed the CE test for environmental specifications
when shielded cables are used for external wiring. We recommend the use
of shielded cables. This kind of cable is available from JHC. Please
contact your local supplier for ordering information. Test conditions for
passing included the equipment being operated within an industrial enclosure.
In order to protect the product from being damaged by ESD (Electrostatic
Discharge) and EMI leakage, we strongly recommend the use of
CE-compliant industrial enclosure products.
FCC Class B
Note: This equipment has been tested and found to comply with the limits for a Class A 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 resident 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, in which case the user will be required to correct the
interference at his own expense.
Technical Support and Assistance
Step 1. Visit the JHC web site at www.jhctech.com.cn where you can find the latest information about the
product.
Step 2. Contact your distributor, sales representative, or JHC’s customer service center for technical
support if you need additional assistance. Please have the following information ready before you
call:
- Product name and serial number
- Description of your peripheral attachments
- Description of your software (operating system, version, application software, etc.)
- A complete description of the problem
- The exact wording of any error messages

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CONTENTS
General Information ...........................................................................................................1
1.1 Introduction....................................................................................................................................2
1.2 Features...........................................................................................................................................2
1.3 Specifications..................................................................................................................................3
1.3.1 General...............................................................................................................................3
1.3.2 Display...............................................................................................................................3
1.3.3 Ethernet..............................................................................................................................3
1.3.4 Audio .................................................................................................................................4
1.3.5 Power Consumption...........................................................................................................4
1.4 Environmental Specifications.......................................................................................................4
1.5 3921/3920/3610 Series Specifications ...........................................................................................4
1.6 Mechanical Specifications .............................................................................................................5
Hardware Installation.......................................................................................................12
2.1 Introduction..................................................................................................................................13
2.2 Switches setting ............................................................................................................................13
2.2.1 CLEAR/CMOS -Clear CMOS Data...................................................................................13
2.2.2 AT/ATX- AT/ATX Power on mode selection ....................................................................14
2.3 I/O Ports Indication.....................................................................................................................14
2.3.1 Ethernet Connector (LAN) .................................................................................................19
2.3.2 USB Connector...................................................................................................................19
2.3.3 HDMI..................................................................................................................................20
2.3.4 DP .......................................................................................................................................21
2.3.5 VGA....................................................................................................................................21
2.3.6 DIO Connector....................................................................................................................22
2.3.7 Power Input Connector (DC-IN) ........................................................................................23
2.3.8 COM1/2 Connector ............................................................................................................24
2.3.9 COM3/4 Connector ............................................................................................................24

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2.3.10 PS/2 Connector .................................................................................................................25
2.3.11 Remote Switch signal Connector......................................................................................25
2.3.12 Serial ATA1 (S_SATA1/S_SATA2) ..................................................................................26
2.3.13 SATA power connector (SATA_PWR1/SATA_PWR2)....................................................27
2.3.14 mSATA Connector (MSATA1) .........................................................................................27
2.3.15 Mini-PCIe Connector (3GWIFI1) ....................................................................................28
2.3.16 SIM card connector (SIM1)..............................................................................................28
2.3.17 M.2 connector (NGFF1) ...................................................................................................28
2.3.18 PCI Slot (In Sub-card ECX-242 or ECI-245)...................................................................28
2.3.19 PCIeX1 Slot (In Sub-card ECX-242) ...............................................................................29
2.3.20 PCIeX4 Slot (In Sub-card ECX-241) ...............................................................................30
2.3.21 PCIeX16 Slot (In Sub-card ECX-241 or ECX-242).........................................................30
2.3.22 LED...................................................................................................................................31
2.4 Installation....................................................................................................................................32
2.4.1 HDD/SSD Installation ........................................................................................................32
2.4.2 Installing mini-PCIe............................................................................................................34
2.4.3 Installing MSATA...............................................................................................................39
2.4.4 Installing M.2 Module ........................................................................................................39
2.4.5 Installing Expansion Functional Module............................................................................40
BIOS Setup.........................................................................................................................42
3.1 BIOS Description .........................................................................................................................43
3.1.1 Entering the Setup Utility ...................................................................................................43
3.2 BIOS parameter settings.............................................................................................................44
3.2.1 BIOS Navigation Keys .......................................................................................................45
3.2.2 Main Menu..........................................................................................................................45
3.2.3 Advanced Menu ..................................................................................................................47
3.2.4 Chipset Menu......................................................................................................................49
3.2.5 Security menu .....................................................................................................................51
3.2.6 Boot menu...........................................................................................................................52
3.2.7 Save & Exit menu...............................................................................................................53

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3.3 Updating the BIOS ......................................................................................................................54
Driver Installation.............................................................................................................55
4.1 Follow the sequence below to install the drivers: .....................................................................56
4.2 Installation: ..................................................................................................................................56
4.3 CPU TEMP LED driver..............................................................................................................57
4.4 Utility Software Reference..........................................................................................................58
SYSTEM RESOURCE .....................................................................................................59
5.1 WDT and GPIO ...........................................................................................................................60

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General Information
CHAPTER
1

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1.1 Introduction
KMDA-3921/3920/3610 is an embedded industrial Box Computer of JHCTECH, with aluminum chassis.
It powered by the Gen. 6th Intel® Skylake-S/Gen. 7th Intel® Kabylake-S CPU. It supports 2-Ch DDR4
2133/2400MHz memory, up to 32GB. It features multiple PCI or PCIe expansion slots, which can fulfill
extensive requirements in various projects.
KMDA-3921/3920/3610 offers 1*HDMI, 1*DP, 1*VGA, 3 displays, 2*GbE LANs, 7*USB (1 inside for
dongle), 4*COM, 8-bit DIO, 1*F-Mini PCIe with SIM slot, which supports 4G LTE/Wifi/BT. 1*mSATA,
1*M.2 2242 B-Key, 2*2.5” SATA HDD/SSD are used for storage, support raid0,1. It supports various
optional expansion slots, including PCIe×16, PCIe×4, PCIeX1, PCI. So, users can conveniently select
expansion boards based on their requirements. Besides, DC 12~24V wide power input. It is widely used
for Industrial Automation, Intelligent Transportation (ITS), and Machine Vision.
1.2 Features
Key Features
⚫Universal aluminum chassis, SGCC frame
⚫Intel® Skylake-S/Kabylake-S Celeron/Core I3/I5/I7 CPU
⚫2*260-pin SODIMM, DDR4 2133/2400MHz, up to 32GB
⚫1*F-mini PCIe with SIM slot, support 4G LTE and Wifi/BT
⚫Expansion
KMDA-3921 Series: 1*PCIe X16, 1*PCIeX1,2*PCI or 2*PCI or 2*PCIeX8, 1*PCIeX4
KMDA-3920 Series: 1*PCIe X4, 1*PCIe X16
⚫2*2.5” SATA HDD/SSD bay, 1*mSATA, 1*M.2 2242 B-Key for storage
⚫1*DP, 1*HDMI, 1*VGA, 3 displays
⚫Realtek ALC662VD controller, 1*LINE OUT, 1*MIC
⚫1*Intel I211AT, 1*Intel I219LM, supports Intel vPro technology
⚫8-bit DIO(KMDA-3921/3920), 8+16-bit DIO(3610), 4*USB3.0, 3*USB2.0(1 inside), 4*COM
⚫Support TPM 2.0
⚫Clear CMOS switch is on the front panel, easy to clear CMOS data
⚫AT/ATX power-on mode selection switch is on the front panel, easy to set power-on mode

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⚫DC 12~24V, CPU temperature show in LED
1.3 Specifications
1.3.1 General
CPU: Intel®Skylake-S/Kabylake-S Celeron/Core I3/I5/I7 CPU
System Memory: 2*DDR4 2133/2400MHz SODIMM, Up to 32GB
Watchdog Timer: 255-level interval timer, setup by software
Serial Ports: 2* RS232/422/485 DB9 male, 2*RS232 DB9 male
USB: 4*USB 3.0 Type A ports(front), 2*USB2.0 Type A ports(front), 1*USB 2.0 Type A port (inside)
DIO:
-KMDA-3921/3920: 8-bit DIO, 10-Pin Phoenix terminal
-KMDA-3610: 8-bit DIO, 10-Pin Phoenix terminal+16-bit DIO, DB25 Female
I-Port: optional 1*LPT、USB2.0、DIO or 1*Mini PCIe module interface(KMDA-3921/3920)
Expansion Interface:
1*Full size Mini PCIe (PCIeX1+USB) with SIM slot
PCI/PCIe slots:
KMDA-3921 Series: 1*PCIe X16, 1*PCIeX1, 2*PCI
KMDA-3920 Series: 1*PCIe X16, 1*PCIe X4
KMDA-3610 Series: none
Storage:1* mSATA, 1*M.2 2242 B-Key
2*2.5” SATA HDD/SSD bay, support Raid0,1(In Intel Q170)
1.3.2 Display
Chipset: Gen. 9th Intel® HD Graphics
Display Memory: Shared system memory
Resolution: HDMI 3840x2160@30Hz; DP 4096x2160@60Hz, VGA 1920x1200@60Hz
1.3.3 Ethernet
Chipset: 1*Intel®I211AT Ethernet controllers, 1* Intel® I219LM Ethernet controller
Speed: 10/100/1000 Mbps Integrated
Interface: 2*RJ45

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1.3.4 Audio
Chipset: Realtek ALC662VD controller
Interface: 1*Audio out, 1*MIC, 3.5mm phone jack
1.3.5 Power Consumption
Input Voltage: DC 12~24V Input
Power Consumption: TDP 19V/3.62A (I7-6700T CPU, 4GB RAM, 1TB HDD)
Power Adapter: AC to DC 19V/6.32A, 120W（when not installing GPU card）
AC to DC 24V/9.17A, 220W（when installing GPU card）
1.4 Environmental Specifications
Operating temperature:
-20 ~ 65°C (SSD, Airflow)
-10 ~ 50°C (HDD, Airflow)
Relative humidity: 10~90% @ 40°C (non-condensing)
Storage temperature: -40 ~ 85°C (-40 ~ 185°F)
Vibration loading during operation:
With SSD: 5.0 Grms, random, 5 ~ 500 Hz
With HDD:1.0 Grms, random, 5 ~ 500 Hz
Shock during operation:
With SSD: 50g, peak acceleration (11 ms duration)
With HDD:20g peak acceleration (11 ms duration)
EMC: CE, FCC Class B
1.5 3921/3920/3610 Series Specifications
Model.
KMDA-3921
KMDA-3920
KMDA-3610
CPU
Intel®Skylake-S/Kabylake-
S Celeron/Core I3/I5/I7
CPU
Intel® Skylake-S/Kabylake-
S Celeron/Core I3/I5/I7
CPU
Intel®Skylake-S/Kabylake-
S Celeron/Core I3/I5/I7
CPU
Chipset
Intel®H110/Q170
Intel® H110/Q170
Intel®H110/Q170

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SODIMM
2
2
2
Storage
2*SATA3
2*SATA3
2*SATA3
LAN
2
2
2
USB
4*USB3.0 3*USB2.0
4*USB3.0 3*USB2.0
4*USB3.0 3*USB2.0
COM
4
4
4
DIO
8-bit
8-bit
8-bit+16-bit
Display
1*HDMI, 1*DP, 1*VGA
1*HDMI, 1*DP, 1*VGA
1*HDMI, 1*DP, 1*VGA
PS/2
Keyboard & Mouse
Keyboard & Mouse
Keyboard & Mouse
Audio
1*Line Out, 1*MIC
1*Line Out, 1*MIC
1*Line Out, 1*MIC
I-port
Optional LPT,
2*USB2.0,16-bit DIO
Optional LPT,
2*USB2.0,16-bit DIO
16-bit DIO (default)
Expansion
1*mini-PCIe,
1*M.2 2242 B-Key
1*PCIeX16+1*PCIeX1
2*PCI
1*mini-PCIe
1*M.2 2242 B-Key
1*PCIeX16+1*PCIeX4
Or 2*PCI
1*mini-PCIe
1*M.2 2242 B-Key
1.6 Mechanical Specifications
The KMDA-3921/3920/3610 new industrial design Box computer of JHCTECH, consists of a JHC
SBC(STX-I951), a sub-card (ECD-9050), and an expansion card ECX-241 or ECI-242 or ECI-245.
The specific combination is as follows：
Model No.
KMDA-3921
KMDA-3920
KMDA-3610
AXM-I951
✓
✓
✓
ECD-9050
✓
✓
✓
ECX-241

✓


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ECX-242
✓


ECI-245

✓

(Note: ECX-241 and ECI-245 are 2 alternatives in KMDA-3920)
Main Board Front (AXM-I951)
Figure 1.1
Main Board Rear (AXM-I951)

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Figure 1.2
Sub-card (ECD-9050)
Figure 1.3
Riser card (ECX-241)
Figure 1.4

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Riser card (ECX-242)
Figure 1.5
Riser card (ECI-245)
Figure 1.6

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KMDA-3921 Dimension: Unit: mm
Figure 1.7

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KMDA-3920 Dimension: Unit: mm
Figure 1.8

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KMDA-3610 Dimension: Unit: mm
Figure 1.9

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Hardware Installation
CHAPTER
2