Avalue Technology EMX-BYT2 User manual

Part No. E2047MXT205R
EMX-BYT2
Intel ® Atom TM Celeron® J1900 D1 Processor Mini ITX
Motherboard
User’s Manual
6th Ed –18 October 2019

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FCC Statement
THIS DEVICE COMPLIES WITH PART 15 FCC RULES. OPERATION IS
SUBJECT TO THE FOLLOWING TWO CONDITIONS:
(1) THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE.
(2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED INCLUDING
INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION.
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
COMMERCIAL ENVIRONMENT. 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.
OPERATION OF THIS EQUIPMENT IN A RESIDENTIAL AREA IS LIKELY TO CAUSE
HARMFUL INTERFERENCE IN WHICH CASE THE USER WILL BE REQUIRED TO
CORRECT THE INTERFERENCE AT HIS OWN EXPENSE.
Notice
This guide is designed for experienced users to setup the system within the shortest time.
For detailed information, please always refer to the electronic user's manual.
Copyright Notice
Copyright 2019 Avalue Technology Inc., ALL RIGHTS RESERVED.
No part of this document may be reproduced, copied, translated, or transmitted in any form
or by any means, electronic or mechanical, for any purpose, without the prior written
permission of the original manufacturer.
Trademark Acknowledgement
Brand and product names are trademarks or registered trademarks of their respective
owners.
Disclaimer
Avalue Technology Inc. reserves the right to make changes, without notice, to any product,
including circuits and/or software described or contained in this manual in order to improve
design and/or performance. Avalue Technology assumes no responsibility or liability for the
use of the described product(s), conveys no license or title under any patent, copyright, or
masks work rights to these products, and makes no representations or warranties that

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these products are free from patent, copyright, or mask work right infringement, unless
otherwise specified. Applications that are described in this manual are for illustration
purposes only. Avalue Technology Inc. makes no representation or warranty that such
application will be suitable for the specified use without further testing or modification.
Life Support Policy
Avalue Technology’s PRODUCTS ARE NOT FOR USE AS CRITICAL COMPONENTS IN
LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE PRIOR WRITTEN APPROVAL
OF Avalue Technology Inc.
As used herein:
1. Life support devices or systems are devices or systems which, (a) are intended for
surgical implant into body, or (b) support or sustain life and whose failure to perform,
when properly used in accordance with instructions for use provided in the labeling, can
be reasonably expected to result in significant injury to the user.
2. A critical component is any component of a life support device or system whose
failure to perform can be reasonably expected to cause the failure of the life
support device or system, or to affect its safety or effectiveness.
A Message to the Customer
Avalue Customer Services
Each and every Avalue’s product is built to the most exacting specifications to ensure
reliable performance in the harsh and demanding conditions typical of industrial
environments. Whether your new Avalue device is destined for the laboratory or the factory
floor, you can be assured that your product will provide the reliability and ease of operation
for which the name Avalue has come to be known.
Your satisfaction is our primary concern. Here is a guide to Avalue’s customer services. To
ensure you get the full benefit of our services, please follow the instructions below carefully.
Technical Support
We want you to get the maximum performance from your products. So if you run into
technical difficulties, we are here to help. For the most frequently asked questions, you can
easily find answers in your product documentation. These answers are normally a lot more
detailed than the ones we can give over the phone. So please consult the user’s manual
first.
To receive the latest version of the user’s manual; please visit our Web site at:
http://www.avalue.com.tw/

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Product Warranty
Avalue 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 Avalue, or which have been subject to
misuse, abuse, accident or improper installation. Avalue assumes no liability under the
terms of this warranty as a consequence of such events. Because of Avalue’s high
quality-control standards and rigorous testing, most of our customers never need to use our
repair service. If any of Avalue’s products 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 type and speed, Avalue’s products model name, hardware & BIOS
revision number, other hardware and software used, etc.) Note anything
abnormal and list any on-screen messages you get when the problem occurs.
2. Call your dealer and describe the problem. Please have your manual, product,
and any helpful information available.
3. If your product is diagnosed as defective, obtain an RMA (return material
authorization) number from your dealer. This allows us to process your good
return more quickly.
4. Carefully pack the defective product, a complete 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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Content
1. Getting Started............................................................................................................8
1.1 Safety Precautions....................................................................................................8
1.2 Packing List...............................................................................................................8
1.3 Document Amendment History .................................................................................9
1.4 Manual Objectives...................................................................................................10
1.5 System Specifications.............................................................................................11
1.6 Architecture Overview—Block Diagram..................................................................14
2. Hardware Configuration...........................................................................................15
2.1 Product Overview....................................................................................................16
2.2 Jumper and Connector List.....................................................................................19
2.3 Setting Jumpers & Connectors ...............................................................................21
2.3.1 Serial port 1/2/3/4/5/6 pin9 signal select (JRI1/JRI2/JRI3/JRI4/JRI5/JRI6)................................... 21
2.3.2 SATA2/MSATA1 mPCIe slot selector (JMSW1)............................................................................ 21
2.3.3 LVDS Back Light power selection (JSBKL1).................................................................................. 22
2.3.4 AT/ATX Power Mode Select (JSATX1).......................................................................................... 22
2.3.5 Clear CMOS (CMOS1)................................................................................................................... 23
2.3.6 LCD Inverter connector (JBKL1).................................................................................................... 23
2.3.7 Serial port 1/2 connector (COM1/2) ............................................................................................... 24
2.3.8 Serial port 3/4/5/6 connector (COM3/4/5/6)................................................................................... 24
2.3.9 Serial Port 1 RS485/422 Mode connector (JRS485) ..................................................................... 25
2.3.10 General purpose I/O connector (DIO1) ......................................................................................... 25
2.3.11 SATA Power connector 1/2 (SPWR1/2)........................................................................................ 26
2.3.12 Power connector (PWR1).............................................................................................................. 26
2.3.13 USB connector 3 (USB3)............................................................................................................... 27
2.3.14 Battery connector (BT1) ................................................................................................................ 27
2.3.15 LVDS connector (JLVDS1)............................................................................................................ 28
2.3.16 Audio connector (FAUD1) ............................................................................................................. 29
2.3.16.1 Signal Description –Front Audio connector (FAUD1)............................................................ 29
2.3.17 LPC connector (JLPC1)................................................................................................................. 30
2.3.18 EC_Program (EC1) ....................................................................................................................... 30
2.3.19 PS/2 keyboard & mouse connector (KBMS1) ............................................................................... 31
2.3.20 BIOS connector (BIOS1)............................................................................................................... 31
2.3.21 Sony/Philips Digital Interface (SPDIF1)......................................................................................... 32
2.3.22 Speaker connector (SPK1)............................................................................................................ 32
2.3.23 Miscellaneous setting connector 1 (FPT1).................................................................................... 33

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2.3.24 Miscellaneous setting connector 2 (FPT2).................................................................................... 33
2.3.25 LED indicator connector 1 (LED1)................................................................................................. 34
2.3.26 LED indicator connector 2 (LED2)................................................................................................. 34
2.3.27 CPU fan connector (FAN1)............................................................................................................ 35
3.BIOS Setup....................................................................................................................36
3.1 Introduction .............................................................................................................37
3.2 Starting Setup .........................................................................................................37
3.3 Using Setup ............................................................................................................38
3.4 Getting Help............................................................................................................39
3.5 In Case of Problems................................................................................................39
3.6 BIOS setup..............................................................................................................40
3.6.1 Main Menu...................................................................................................................................... 40
3.6.1.1 System Language.................................................................................................................. 41
3.6.1.2 System Date.......................................................................................................................... 41
3.6.1.3 System Time.......................................................................................................................... 41
3.6.2 Advanced Menu ............................................................................................................................. 42
3.6.2.1 Trusted Computing................................................................................................................ 42
3.6.2.2 APCI Settings ........................................................................................................................ 43
3.6.2.3 IT8528 Super IO Configuration.............................................................................................. 47
3.6.2.3.1 Serial Port 1 Configuration .................................................................................................... 48
3.6.2.3.2 Serial Port 2 Configuration .................................................................................................... 50
3.6.2.3.3 Serial Port 3 Configuration .................................................................................................... 52
3.6.2.3.4 Serial Port 4 Configuration .................................................................................................... 53
3.6.2.3.5 Serial Port 5 Configuration .................................................................................................... 55
3.6.2.3.6 Serial Port 6 Configuration .................................................................................................... 57
3.6.2.4 H/W Monitor........................................................................................................................... 58
3.6.2.4.1 Smart Fan Mode Configuration ............................................................................................. 59
3.6.2.5 S5 RTC Wake Settings.......................................................................................................... 61
3.6.2.6 Serial Port Console Redirection ............................................................................................ 63
3.6.2.6.1 COM1 .................................................................................................................................... 64
3.6.2.7 CPU Configuration................................................................................................................. 66
3.6.2.7.1 Socket 0 CPU Information..................................................................................................... 69
3.6.2.8 PPM Configuration................................................................................................................. 70
3.6.2.9 IDE Configuration .................................................................................................................. 72
3.6.2.10 LPSS & SCC Configuration................................................................................................... 76
3.6.2.11 Network Stack Configuration................................................................................................. 80
3.6.2.12 CSM Configuration ................................................................................................................ 81
3.6.2.13 SDIO Configuration ............................................................................................................... 86
3.6.2.14 USB Configuration................................................................................................................. 87
3.6.2.15 Security Configuration ........................................................................................................... 92

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3.6.2.16 Lan driver report status.......................................................................................................... 94
3.6.3 Chipset.......................................................................................................................................... 95
3.6.3.1 North Bridge......................................................................................................................... 95
3.6.3.1.1 Intel IGD Configuration.......................................................................................................... 96
3.6.3.1.2 IGD - LCD Control ............................................................................................................... 102
3.6.3.2 South Bridge...................................................................................................................... 105
3.6.3.2.1 Azalia HD Audio................................................................................................................... 108
3.6.3.2.2 USB Configuration............................................................................................................... 109
3.6.3.2.3 PCI Express Configuration .................................................................................................. 110
3.6.4 Security....................................................................................................................................... 112
3.6.4.1 Secure Boot menu............................................................................................................. 113
3.6.4.1.1 Key Management................................................................................................................. 114
3.6.5 Boot ............................................................................................................................................ 114
3.6.6 Save and exit.............................................................................................................................. 115
4. Drivers Installation.....................................................................................................116
4.1 Install Chipset Driver.............................................................................................117
4.2 Install TXE Driver..................................................................................................118
4.3 Install VGA Driver..................................................................................................119
4.4 Install Audio Driver................................................................................................120
4.5 Install Ethernet Driver............................................................................................121
4.6 Install USB 3.0 Driver............................................................................................122
4.7 Install MBI Driver...................................................................................................123
5. Mechanical Drawing ..................................................................................................124

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1. Getting Started
1.1 Safety Precautions
Warning!
Always completely disconnect the power cord from your
chassis whenever you work with the hardware. Do not
make connections while the power is on. Sensitive
electronic components can be damaged by sudden power
surges. Only experienced electronics personnel should
open the PC chassis.
Caution!
Always ground yourself to remove any static charge before
touching the CPU card. Modern electronic devices are very
sensitive to static electric charges. As a safety precaution,
use a grounding wrist strap at all times. Place all electronic
components in a static-dissipative surface or static-shielded
bag when they are not in the chassis.
1.2 Packing List
Before you begin installing your single board, please make sure that the
following materials have been shipped:
1 x EMX-BYT2 motherboard
2 x SATA cables
1 x I/O Shield
1 x SATA Power Cable

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1.3 Document Amendment History
Revision
Date
By
Comment
1st
April 2015
Avalue
Initial Release
2nd
January 2016
Avalue
Update Setting Jumpers & Connectors
3rd
November 2016
Avalue
Update Setting Jumpers & Connectors
4th
August 2017
Avalue
Update System Specifications
5th
April 2019
Avalue
Update BIOS Setup
6th
October 2019
Avalue
Update Mechanical Drawing

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1.4 Manual Objectives
This manual describes in details Avalue Technology EMX-BYT2 Single Board.
We have tried to include as much information as possible but we have not duplicated
information that is provided in the standard IBM Technical References, unless it proved to
be necessary to aid in the understanding of this board.
We strongly recommend that you study this manual carefully before attempting to set up
EMX-BYT2 or change the standard configurations. Whilst all the necessary information is
available in this manual we would recommend that unless you are confident, you contact
your supplier for guidance.
Please be aware that it is possible to create configurations within the CMOS RAM that
make booting impossible. If this should happen, clear the CMOS settings, (see the
description of the Jumper Settings for details).
If you have any suggestions or find any errors regarding this manual and want to inform us
of these, please contact our Customer Service department with the relevant details.

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1.5 System Specifications
System
CPU
Intel® Celeron® Processor J1900
(2M Cache, Up to 2.42 GHz)
BIOS
AMI uEFI BIOS, 64 Mbit SPI Flash ROM
I/O Chip
EC IT8528E
System Memory
2 x 204-pin DDR3L 1333MHz SODIMMs, up to 8GB
Watchdog Timer
H/W Reset, 1sec. –65535sec./min.1sec. or 1min. step
H/W Status
Monitor
CPU temperature monitoring
Voltages monitoring
CPU fan speed control
Expansion
1 x full size Mini PCI-e support mSATA (SATA II and mSATA Switchable Through
jumper)
1 x full size Mini PCI-e support WiFi module
1 x SIM card slot
1 x PCI-e x 1
1 x SD card slot support SD/ SDHC 3.0 Card
Optional Parts
Optional Infineon SLB9665 support TPM 2.0
Optional eMMC 32GB
S3/S4
Yes (S0/S3/S4/S5)
Display
Resolution
HDMI: 1920x1200 @60Hz
VGA: 2048 x 1536 @ 60 Hz
2CH 18/24bits LVDS 1920 x 1080
Chrontel. CH7511B eDP to LVDS Converter
HDMI +LVDS, HDMI+VGA, VGA+LVDS
Dual Display
Ethernet
Chipset
2 x Intel I211AT PCI-Express Gigabit Ethernet
Ethernet
Interface
10/100/1000 Gigabit Ethernet
Internal I/O
Connectors
External I/O
Connector
Storage:
- 1 x full size Mini PCI-e support mSATA (SATA II and mSATA Switchable Through
jumper)
- 2 x SATA II connectors

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- 2 x SATA power connectors
1 x full size Mini PCI-e support WiFi module
1 x PCI-e x 1
1 x SIM card Slot
COM:
COM1:
-COM 1 support RS- RS232/422/485 connector, with / +5V & +12V Supported and
RS422/485 by BIOS setting
1 x 2 x 5 pin, pitch 2.00mm connector for COM1: support RS-232 connector, Pin 9
with / +5V & +12V Supported
1 x 2 x 3 pin, pitch 2.00mm connector for COM1: support RS422/485 connector, Pin
5 with / +5V Supported
COM2~6:
- 5 x 2 x 5 pin, pitch 2.00mm connector for COM2~6: support RS-232 connector, Pin
9 with / +5V & +12V Supported
1 x 2 x 5 pin, pitch 2.54mm connector for 2 USB 2.0
1 x 2 x 6 pin, pitch 2.00mm connector for GPIO 8bits
1 x 2 x 4 pin, pitch 2.00mm connector for BIOS SPI
1 x 2 x 4 pin, pitch 2.00mm connector for EC SPI
1 x 2 x 5 pin, pitch 2.0mm connector for LPC
1 x horizontal type battery connector (Battery cable 170mm length)
1 x 2 x 5 pin, pitch 2.54mm connector for front panel 1
1 x 2 x 5 pin, pitch 2.54mm connector for front panel 2
1 x 2 x 20 pin, pitch 1.25mm connector for LVDS (must be using DF13-2S-1.25C
connector)
1 x 1 x 5 pin, pitch 2.00mm Wafer connector for LCD inverter backlight connector
(5V/12V)
1 x 1 x 3 pin, pitch 2.54mm connector LCD backlight brightness adjustment
(PWM/DC)
1 x 2 x 5 pin, pitch 2.54mm connector for front Audio
1 x 3 pin, pitch 2.54mm connector for S/PDIF
1 x 4 pin, pitch 2.00mm wafer connector for 3W x 2 Speaker
1 x 2 x 5 pin, pitch 2.00mm connector for Keyboard & Mouse
1 x 3 pin, pitch 2.00mm connector for CMOS clear
1 x 1 x 4 pin, pitch 2.54mm CPU fan connector with smart fan function supported
2 x 1 x 4 pin, pitch 2.00mm connector for WiFi Activity Indicator LED
1 x 2 x 2 pin, pitch 4.20mm connector for power input connector
1 x 1 x 3 pin, pitch 2.54mm connector for AT/ATX mode Fanless Operating
Rear I/O
Connectors

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Rear Side
External I/O
Connector
2 x RJ-45
4 x USB 3.0
1 x VGA
1 x HDMI
1 x Mic-In and 1 x Line-out
1 x DC Jack lockable connector type
Mechanical &
Environmental
Power
Requirement
DC in +12V
ACPI
Single power ATX Support S0, S3, S4, S5
ACPI 3.0 Compliant
Power on Type
AT / ATX mode Switchable Through Jumper
Operating Temp.
0 ~ 60°C (32~140°F)
Storage Temp.
-40 ~ +75°C
Operating
Humidity
0%~90% relative humidity, non-condensing
Size (L x W)
6.7" x 6.7" (170mm x 170mm)
Weight
0.40 kg
If user want to install Win 8.1 Pro OS on eMMC of EMX-BYT2 motherboard,
User must do:
A. BIOS setup menu must select eMMC mode with “PCI mode”(because selection with “ACPI mode” during
OS install, OS cannot find eMMC to install).
B. Windows OS must use Microsoft Win 8.1 Pro with update version of OS image to install.
Note: Specifications are subject to change without notice.

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1.6 Architecture Overview—Block Diagram
The following block diagram shows the architecture and main components of EMX-BYT2.

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2. Hardware
Configuration

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2.1 Product Overview

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•Main Memory
EMX-BYT2 provides 2 x 204-pin DDR3L 1333MHz SODIMMs.
SODIMM module.
Note:
The Platform requires DDR3L SODIMMs to be populated starting with the SODIMM
at DIMM1.
•SD Card
USB Low & Full speed (@3.3V) Transmit traffic AF% less than 10% (max 50TB over
lifespan) per port or use only High Speed or Super Speed USB devicesUSB Receive traffic
is not affected. Connecting Low or Full Speed devices through a USB2 High Speed (or
greater) hub mitigates the issue.
•SD Card (operating at 3.3V) AF% less than 10%. UHS-1 cards operating at 1.8V are
not affected.
Usage of SD cards operating at 3.3V should be minimized and usage should be limited
to UHS-I type SD cards operating at 1.8V. Inserting the SD card, and leaving it in the
system, as extended storage, reduces the life of the interface. Occasional usage of SD card,
SODIMM
SODIMM

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inserting the card –transferring data to or from the SD card-then removing the SD card, is
not a concern. Customers have the option to enable a default D3 device setting to extend
the life of the SD card interface, if supported by the OS.

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2.2 Jumper and Connector List
You can configure your board to match the needs of your application by setting jumpers. A
jumper is the simplest kind of electric switch.
It consists of two metal pins and a small metal clip (often protected by a plastic cover) that
slides over the pins to connect them. To “close” a jumper you connect the pins with the clip.
To “open” a jumper you remove the clip. Sometimes a jumper will have three pins, labeled 1,
2, and 3. In this case, you would connect either two pins.
The jumper settings are schematically depicted in this manual as follows:
A pair of needle-nose pliers may be helpful when working with jumpers.
Connectors on the board are linked to external devices such as hard disk drives, a
keyboard, or floppy drives. In addition, the board has a number of jumpers that allow you to
configure your system to suit your application.
If you have any doubts about the best hardware configuration for your application, contact
your local distributor or sales representative before you make any changes.
The following tables list the function of each of the board’s jumpers and connectors.
Jumpers
Label
Function
Note
JRI1/2/3/4/5/6
Serial port 1/2/3/4/5/6 pin9 signal select
3 x 2 header, pitch 2.00mm
JMSW1
SATA2/MSATA1 mPCIe slot selector
6 x 2 header, pitch 2.00mm
JSBKL1
LVDS Back Light power selection
3 x 1 header, pitch 2.54mm
JSATX1
AT/ATX Power Mode Select
3 x 1 header, pitch 2.54mm
CMOS1
Clear CMOS
3 x 1 header, pitch 2.00mm
Connectors
Label
Function
Note
FAN1
CPU fan connector
4 x 1 wafer, pitch 2.54mm
FPT1
Miscellaneous setting connector 1
5 x 2 header, pitch 2.54 mm
FPT2
Miscellaneous setting connector 2
5 x 2 header, pitch 2.54 mm
DIMM1/2
204-pin DDR3L DIMM socket
FAUD1
Front Audio connector
5 x 2 header, pitch 2.54 mm

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JBKL1
LCD Inverter connector
5 x 1 wafer, pitch 2.00mm
BIOS1
BIOS connector
4 x 2 header, pitch 2.00 mm
COM1
Serial Port 1 connector
5 x 2 header, pitch 2.00mm
COM2
Serial Port 2 connector
5 x 2 header, pitch 2.00mm
COM3
Serial Port 3 connector
5 x 2 header, pitch 2.00mm
COM4
Serial Port 4 connector
5 x 2 header, pitch 2.00mm
COM5
Serial Port 5 connector
5 x 2 header, pitch 2.00mm
COM6
Serial Port 6 connector
5 x 2 header, pitch 2.00mm
DIO1
General purpose I/O connector
6 x 2 header, pitch 2.00mm
SPK1
Speaker connector
1 x 4 wafer, pitch 2.00 mm
LVDS1
LVDS Connector
DIN 40-pin wafer, pitch 1.25mm
USB1/2
USB connector 1/2
USB3
USB connector 3
5 x 2 header, pitch 2.54mm
SPDIF1
Sony/Philips Digital Interface
3 x 1 header, pitch 2.54 mm
LAN1/2
RJ-45 Ethernet 1/2
PCIE1
PCIe connector
LED1
LED indicator connector 1
4 x 1 header, pitch 2.00mm
LED2
LED indicator connector 2
4 x 1 header, pitch 2.00mm
KBMS1
PS/2 keyboard & mouse connector
5 x 2 header, pitch 2.00 mm
BT1
Battery connector
2 x 1 wafer, pitch 1.25mm
MSATA1
Full size mPCIe Slot
MPCIE1
Mini-PCIe connector 1
JRS485
Serial Port 1 RS485/422 Mode
connector
3 x 2 header, pitch 2.00 mm
JLPC1
LPC connector
5 x 2 header, pitch 2.00mm
PWR1
Power connector
2 x 2 wafer, pitch 4.20mm
SATA1
Serial ATA connector 1
SATA2
Serial ATA connector 2
SPWR1/2
SATA Power connector 1/2
4 x 1 wafer, pitch 2.54mm
EC1
EC_Program
5 x 2 header, pitch 2.00 mm
DC1
DC Power-in connector
SIM1
SIM card slot
HDMI1
HDMI connector
LOUT1
Line-out audio jack
MIC1
Mic-in audio jack
VGA1
VGA connector