S&T Kontron 3.5"-eIO-GPA User manual


USER GUIDE
www.kontron.com
3.5"-eIO-GPA
Doc. User Guide, Rev. 1.0
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
3.5"
-EIO-GPA - USER GUIDE
Disclaimer
Kontron would like to point out that the information contained in this user guide may be subject to alteration,
particularly as a result of the constant upgrading of Kontron products. This document does not entail any guarantee on
the part of Kontron with respect to technical processes described in the user guide or any product characteristics set
out in the user guide. Kontron assumes no responsibility or liability for the use of the described product(s), conveys no
license or title under any patent, copyright or mask work rights to these products and makes no representations or
warranties that these products are free from patent, copyright or mask work right infringement unless otherwise
specified. Applications that are described in this user guide are for illustration purposes only. Kontron makes no
representation or warranty that such application will be suitable for the specified use without further testing or
modification. Kontron expressly informs the user that this user guide only contains a general description of processes
and instructions which may not be applicable in every individual case. In cases of doubt, please contact Kontron.
This user guide is protected by copyright. All rights are reserved by Kontron. No part of this document may be
reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer
language, in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise), without the
express written permission of Kontron. Kontron points out that the information contained in this user guide is
constantly being updated in line with the technical alterations and improvements made by Kontron to the products and
thus this user guide only reflects the technical status of the products by Kontron at the time of publishing.
Brand and product names are trademarks or registered trademarks of their respective owners.
©2022 by Kontron Europe GmbH
Kontron Europe GmbH
Gutenbergstraße 2
85737 Ismaning
Germany
www.kontron.com

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Intended Use
THIS DEVICE AND ASSOCIATED SOFTWARE ARE NOT DESIGNED, MANUFACTURED OR INTENDED FOR USE
OR RESALE FOR THE OPERATION OF NUCLEAR FACILITIES, THE NAVIGATION, CONTROL OR
COMMUNICATION SYSTEMS FOR AIRCRAFT OR OTHER TRANSPORTATION, AIR TRAFFIC CONTROL, LIFE
SUPPORT OR LIFE SUSTAINING APPLICATIONS, WEAPONS SYSTEMS, OR ANY OTHER APPLICATION IN A
HAZARDOUS ENVIRONMENT, OR REQUIRING FAIL-SAFE PERFORMANCE, OR IN WHICH THE FAILURE OF
PRODUCTS COULD LEAD DIRECTLY TO DEATH, PERSONAL INJURY, OR SEVERE PHYSICAL OR
ENVIRONMENTAL DAMAGE (COLLECTIVELY, "HIGH RISK APPLICATIONS").
You understand and agree that your use of Kontron devices as a component in High Risk Applications is entirely at
your risk. To minimize the risks associated with your products and applications, you should provide adequate design
and operating safeguards. You are solely responsible for compliance with all legal, regulatory, safety, and security
related requirements concerning your products. You are responsible to ensure that your systems (and any Kontron
hardware or software components incorporated in your systems) meet all applicable requirements. Unless otherwise
stated in the product documentation, the Kontron device is not provided with error-tolerance capabilities and cannot
therefore be deemed as being engineered, manufactured or setup to be compliant for implementation or for resale as
device in High Risk Applications. All application and safety related information in this document (including application
descriptions, suggested safety measures, suggested Kontron products, and other materials) is provided for reference
only.

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Revision History
Revision Brief Description of Changes Date of Issue Author/
Editor
1.0 Initial Issue 2022-Aug-26 YS
Terms and Conditions
Kontron warrants products in accordance with defined regional warranty periods. For more information about
warranty compliance and conformity, and the warranty period in your region, visit https://www.kontron.com/terms-
and-conditions.
Kontron sells products worldwide and declares regional General Terms & Conditions of Sale, and Purchase Order Terms
& Conditions. Visit https://www.kontron.com/terms-and-conditions.
For contact information, refer to the corporate offices contact information on the last page of this user guide or visit
our website CONTACT US.
Customer Support
Find Kontron contacts by visiting: https://www.kontron.com/support.
Customer Service
As a trusted technology innovator and global solutions provider, Kontron extends its embedded market strengths into
a services portfolio allowing companies to break the barriers of traditional product lifecycles. Proven product expertise
coupled with collaborative and highly-experienced support enables Kontron to provide exceptional peace of mind to
build and maintain successful products.
For more details on Kontron’s service offerings such as: enhanced repair services, extended warranty, Kontron training
academy, and more visit https://www.kontron.com/support-and-services/services.
Customer Comments
If you have any difficulties using this user guide, discover an error, or just want to provide some feedback, contact
Kontron support. Detail any errors you find. We will correct the errors or problems as soon as possible and post the
revised user guide on our website.

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Symbols
The following symbols may be used in this user guide
DANGER indicates a hazardous situation which, if not avoided,
will result in death or serious injury.
WARNING indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
NOTICE indicates a property damage message.
CAUTION indicates a hazardous situation which, if not avoided,
may result in minor or moderate injury.
Electric Shock!
This symbol and title warn of hazards due to electrical shocks (> 60
V) when touching
products or parts of products. Failure to observe the precautions indicated and/or prescribed
by the law may endanger your life/health and/or result in damage to your material.
ESD Sensitive Device!
This symbol and title inform that the electronic boards and their components are sensitive to
static electricity. Care must therefore be taken during all handling operations and inspections
of this product in order to ensure product integrity at all times.
HOT Surface!
Do NOT touch! Allow to cool before servicing.
Laser!
This symbol inform of the risk of exposure to laser beam and light emitting devices (LEDs)
from an electrical device. Eye protection per manufacturer notice shall review before
servicing.
This symbol indicates general information about the product and the user guide.
This symbol also indicates detail information about the specific product configuration.
This symbol precedes helpful hints and tips for daily use.

3.5"-eIO-GPA -- User Guide, Rev. 1.0
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For Your Safety
Your new Kontron product was developed and tested carefully to provide all features necessary to ensure its
compliance with electrical safety requirements. It was also designed for a long fault-free life. However, the life
expectancy of your product can be drastically reduced by improper treatment during unpacking and installation.
Therefore, in the interest of your own safety and of the correct operation of your new Kontron product, you are
requested to conform with the following guidelines.
High Voltage Safety Instructions
As a precaution and in case of danger, the power connector must be easily accessible. The power connector is the
product’s main disconnect device.
Warning
All operations on this product must be carried out by sufficiently skilled personnel only.
Electric Shock!
Before installing a non hot-swappable Kontron product into a system always ensure that
your mains power is switched off. This also applies to the installation of piggybacks. Serious
electrical shock hazards can exist during all installation, repair, and maintenance operations
on this product. Therefore, always unplug the power cable and any other cables which
provide external voltages before performing any work on this product.
Earth ground connection to vehicle’s chassis or a central grounding point shall remain
connected. The earth ground cable shall be the last cable to be disconnected or the first
cable to be connected when performing installation or removal procedures on this product.
Special Handling and Unpacking Instruction
ESD Sensitive Device!
Electronic boards and their components are sensitive to static electricity. Therefore, care
must be taken during all handling operations and inspections of this product, in order to
ensure product integrity at all times.
Do not handle this product out of its protective enclosure while it is not used for operational purposes unless it is
otherwise protected.
Whenever possible, unpack or pack this product only at EOS/ESD safe work stations. Where a safe work station is not
guaranteed, it is important for the user to be electrically discharged before touching the product with his/her hands
or tools. This is most easily done by touching a metal part of your system housing.
It is particularly important to observe standard anti-static precautions when changing piggybacks, ROM devices,
jumper settings etc. If the product contains batteries for RTC or memory backup, ensure that the product is not placed
on conductive surfaces, including anti-static plastics or sponges. They can cause short circuits and damage the
batteries or conductive circuits on the product.

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Lithium Battery Precautions
If your product is equipped with a lithium battery, take the following precautions when replacing the battery.
Danger of explosion if the battery is replaced incorrectly.
Replace only with same or equivalent battery type recommended by the manufacturer.
Dispose of used batteries according to the manufacturer’s instructions.
General Instructions on Usage
In order to maintain Kontron’s product warranty, this product must not be altered or modified in any way. Changes or
modifications to the product, that are not explicitly approved by Kontron and described in this user guide or received
from Kontron Support as a special handling instruction, will void your warranty.
This product should only be installed in or connected to systems that fulfill all necessary technical and specific
environmental requirements. This also applies to the operational temperature range of the specific board version
that must not be exceeded. If batteries are present, their temperature restrictions must be taken into account.
In performing all necessary installation and application operations, only follow the instructions supplied by the
present user guide.
Keep all the original packaging material for future storage or warranty shipments. If it is necessary to store or ship
the product then re-pack it in the same manner as it was delivered.
Special care is necessary when handling or unpacking the product. See Special Handling and Unpacking Instruction.
Quality and Environmental Management
Kontron aims to deliver reliable high-end products designed and built for quality, and aims to complying with
environmental laws, regulations, and other environmentally oriented requirements. For more information regarding
Kontron’s quality and environmental responsibilities, visit https://www.kontron.com/about-kontron/corporate-
responsibility/quality-management.
Disposal and Recycling
Kontron’s products are manufactured to satisfy environmental protection requirements where possible. Many of the
components used are capable of being recycled. Final disposal of this product after its service life must be
accomplished in accordance with applicable country, state, or local laws or regulations.
WEEE Compliance
The Waste Electrical and Electronic Equipment (WEEE) Directive aims to:
Reduce waste arising from electrical and electronic equipment (EEE)
Make producers of EEE responsible for the environmental impact of their products, especially when the product
become waste
Encourage separate collection and subsequent treatment, reuse, recovery, recycling and sound environmental
disposal of EEE
Improve the environmental performance of all those involved during the lifecycle of EEE
Environmental protection is a high priority with Kontron.
Kontron follows the WEEE directive
You are encouraged to return our products for proper disposal.

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Table of Contents
Symbols.................................................................................................................................................................................................................6
For Your Safety ...................................................................................................................................................................................................7
High Voltage Safety Instructions ..................................................................................................................................................................7
Special Handling and Unpacking Instruction ............................................................................................................................................7
Lithium Battery Precautions.......................................................................................................................................................................... 8
General Instructions on Usage..................................................................................................................................................................... 8
Quality and Environmental Management................................................................................................................................................ 8
Disposal and Recycling.................................................................................................................................................................................... 8
WEEE Compliance.............................................................................................................................................................................................. 8
Table of Contents...............................................................................................................................................................................................9
List of Tables .......................................................................................................................................................................................................9
List of Figures....................................................................................................................................................................................................10
1/ Introduction ..........................................................................................................................................................................................11
2/ Installation Procedures ...................................................................................................................................................................12
2.1. Installing the Board ..................................................................................................................................................................................12
2.2. Chassis Safety Standards......................................................................................................................................................................14
3/ Specifications......................................................................................................................................................................................15
3.1. Block Diagram ............................................................................................................................................................................................15
3.2. Component Main Data ............................................................................................................................................................................16
3.3. Dimensions.................................................................................................................................................................................................17
3.4. Environmental Conditions.....................................................................................................................................................................17
3.5. Power Supply Voltage.............................................................................................................................................................................18
4/ Connector Locations .........................................................................................................................................................................19
4.1. Top Side........................................................................................................................................................................................................19
4.2. Rear Side ....................................................................................................................................................................................................20
4.3. Connector Panel Side..............................................................................................................................................................................21
5/ Connector Definitions......................................................................................................................................................................22
6/ I/O-Area Connectors........................................................................................................................................................................23
6.1. Power Input Connector (CN14) ............................................................................................................................................................23
6.2. DP Connector (CN11 & CN12) ................................................................................................................................................................24
6.3. Ethernet Connectors (CN9 & CN10) ................................................................................................................................................... 25
7/ Internal Connectors .........................................................................................................................................................................26
7.1. SMBus Wafer (CN2).................................................................................................................................................................................26
7.2. I2C Wafer (CN3)......................................................................................................................................................................................... 27
7.3. GSPI Wafer (CN4).....................................................................................................................................................................................28
7.4. UART Wafer (CN5)...................................................................................................................................................................................29
7.5. Power Output Wafer (CN7)...................................................................................................................................................................30
7.6. B2B Connector (CN15) .............................................................................................................................................................................31
7.7. Switches and Jumpers............................................................................................................................................................................ 35
7.7.1. Power Mode Selection (JP3).............................................................................................................................................................. 35
Appendix A: List of Acronyms.....................................................................................................................................................................36
About Kontron .................................................................................................................................................................................................. 37
List of Tables
Table 1: Component Main Data ....................................................................................................................................................................16
Table 2: Environmental Conditions ............................................................................................................................................................17

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Table 3: Supply Voltages................................................................................................................................................................................18
Table 4: Jumper List.........................................................................................................................................................................................19
Table 5: Top Side Internal Connector Pin Assignment .........................................................................................................................19
Table 6: Rear Side Internal Connector Pin Assignment ......................................................................................................................20
Table 7: Connector Panel Side Connector List ........................................................................................................................................21
Table 8: Pin Assignment Power Input Connector CN14 ......................................................................................................................23
Table 9: Pin Assignment DP Connector CN11, CN12 ..............................................................................................................................24
Table 10: Pin Assignment Ethernet Connectors CN9, CN10............................................................................................................... 25
Table 11: Pin Assignment CN2......................................................................................................................................................................26
Table 12: Pin Assignment CN3 ..................................................................................................................................................................... 27
Table 13: Pin Assignment CN4.....................................................................................................................................................................28
Table 14: Pin Assignment CN5.....................................................................................................................................................................29
Table 15: Pin Assignment CN7 .....................................................................................................................................................................30
Table 16: Pin Assignment CN15 ....................................................................................................................................................................31
Table 17: Pin Assignment JP3....................................................................................................................................................................... 35
Table 18: List of Acronyms ...........................................................................................................................................................................36
List of Figures
Figure 1: Accessories of 3.5’’-eIO-GPA .......................................................................................................................................................12
Figure 2: Screw Hole Pattern for Install 3.5’’-eIO-GPA & Applicable 3.5’’ SBC..............................................................................12
Figure 3: Secure Fixing Bolts Onto SBC .....................................................................................................................................................13
Figure 4: Secure Fixing Bolts Onto SBC .....................................................................................................................................................13
Figure 5: Block Diagram 3.5"-eIO-GPA.......................................................................................................................................................15
Figure 6: Board Dimensions..........................................................................................................................................................................17
Figure 7: Top Side..............................................................................................................................................................................................19
Figure 8: Rear Side ..........................................................................................................................................................................................20
Figure 9: Connector Panel Side ....................................................................................................................................................................21
Figure 10: Power Input Connector CN14...................................................................................................................................................23
Figure 11: DP Connector CN11, CN12............................................................................................................................................................24
Figure 12: Ethernet Connector CN9, CN10................................................................................................................................................ 25
Figure 13: SMBus Wafer CN2 .......................................................................................................................................................................26
Figure 14: SMBus Wafer CN3 ....................................................................................................................................................................... 27
Figure 15: GSPI Wafer CN4 ............................................................................................................................................................................28
Figure 16: UART Wafer CN5 ..........................................................................................................................................................................29
Figure 17: Power Output Wafer CN7..........................................................................................................................................................30
Figure 18: B2B Connector CN15 ....................................................................................................................................................................31
Figure 19: Jumper Connector........................................................................................................................................................................ 35
Figure 20: Power Mode Selection JP3....................................................................................................................................................... 35

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1/ Introduction
This user guide describes the 3.5"-eIO-GPA board made by Kontron. This board will also be denoted 3.5"-eIO-GPA
within this user guide.
Use of this user guide implies a basic knowledge of PC-AT hardware and software. This user guide focuses on
describing the 3.5"-eIO-GPA board's special features and is not intended to be a standard PC-AT textbook.
New users are recommended to study the short installation procedure stated in the following chapter before
switching on the power.
All configuration and setup of the 3.5’’-eIO-GPA is either carried out automatically or manually by the user via the BIOS
setup menus of the applicable Kontron’s 3.5’’ single board computer that accommodates the board.
Latest revision of this user guide, datasheet, mechanical drawings (2D and 3D) can be downloaded from Kontron's
Web Page.

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2/ Installation Procedures
2.1. Installing the Board
ESD Sensitive Device!
Electrostatic discharge (ESD) can damage equipment and impair electrical circuitry.
Wear ESD-protective clothing and shoes
Wear an ESD-preventive wrist strap attached to a good earth ground
Check the resistance value of the wrist strap periodically (1 MΩ to 10 MΩ)
Transport and store the board in its antistatic bag
Handle the board at an approved ESD workstation
Handle the board only by the edges
3.5’’-eIO-GPA is supplied with three fixing bolts with M3 x 4 mm screw (Figure 1, pos. 1) and three screws (Figure 1,
pos. 2).
Figure 1: Accessories of 3.5’’-eIO-GPA
1 Fixing Bolt
2 Screw
To install 3.5’’-eIO-GPA, the chassis must have the screw hole pattern shown as Figure 2.
Figure 2: Screw Hole Pattern for Install 3.5’’-eIO-GPA & Applicable 3.5’’ SBC
unit: mm
1
1
1
2
2
2
1
1
2
3
3

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1 Hole for Securing 3.5’’ Single Board Computer
2 Hole for Securing 3.5’’-eIO-GPA
3 Hole for Securing 3.5’’ Single Board Computer & 3.5’’-eIO-GPA
To get the 3.5’’-eIO-GPA running follow these steps. Depending on the ordered configuration, the board may be pre-
installed on the applicable Kontron’s 3.5’’ single board computer. If the board shipped from KONTRON already has
been installed on the 3.5’’ single board computer, then skip the relevant steps below or uninstall them first for
installation into the chassis.
1. Secure the fixing bolts onto the SBC
Place the applicable single board computer onto the chassis by aligning the screw holes on the single board
computer (Figure 2, pos. 1 & 2) with the screw holes on the chassis. Secure the single board computer with the
three supplied fixing blots (Figure 1, pos. 1) via three corresponding holes (Figure 2, pos. 2 & 3) and two additional
screws via the other holes.
Figure 3: Secure Fixing Bolts Onto SBC
2. Secure the 3.5’’-eIO-GPA onto to the SBC
Insert the 3.5‘‘-eIO-GPA onto the single board computer by connecting the board-to-board connectors of two
boards. Concurrently align the screws holes on the 3.5‘‘-eIO-GPA with the screw holes on the fixing bolts (Figure 1,
pos. 1) secured on the single board computer. Secure the 3.5‘‘-eIO-GPA with three supplied screws (Figure 1, pos.
2) via the three corresponding holes.
Figure 4: Secure Fixing Bolts Onto SBC

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3. Follow the instructions described for the applicable single board computer to boot up the boards
Follow the instructions described for the applicable single board computer to connect a power supply unit, boot
up the boards, configure the BIOS and mount the boards in chassis. In case the power supply is input from the
power terminal block on the 3.5’’-eIO-GPA, DC power voltage should be within the range between 11 V and 32 V.
Make sure to turn off PSU (Power Supply Unit) completely (no mains power connected to
the PSU) or leave the Power Connectors unconnected before connecting to the PSU.
Otherwise, components (RAM, LAN cards etc.) on the 3.5’’-eIO-GPA and the applicable
single board computer might get damaged.
The power supply unit shall comply with the requirements as defined in IEC 62368-1
according Clause 6.2.2 to power source category PS2 "Limited Power Source".
2.2. Chassis Safety Standards
Before installing the 3.5"-eIO-GPA and the applicable single board computer in the chassis, users must evaluate the
end product to ensure compliance with the requirements of the IEC60950-1 safety standard:
The boards must be installed in a suitable mechanical, electrical and fire enclosure.
The system, in its enclosure, must be evaluated for temperature and airflow considerations.
The board must be powered by a CSA or UL approved power supply that limits the maximum input current.
For interfaces having a power pin such as external power or fan, ensure that the connectors and wires are
suitably rated. All connections from and to the product shall be with SELV circuits only.
Wires have suitable rating to withstand the maximum available power.
The peripheral device enclosure fulfils the IEC60950-1 fire protecting requirements.

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3/ Specifications
3.1. Block Diagram
Figure 5: Block Diagram 3.5"-eIO-GPA

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3.2. Component Main Data
The table below summarizes the features of the 3.5"-eIO-GPA.
Table 1: Component Main Data
Video
Display Interface

2x DP (on rear)

1x eDP (optional, trade off with 1x DP)
Network Connection
Ethernet

2x 2.5 GbE LAN (RJ45 on rear, Intel® I225-LM/IT)
Peripheral Connection
Serial Port

1x UART (by header)
Other I/Os

1x I2C (by header)

1x SMBus (by header)

1x GSPI (by header)
Storage & Expansion
Memory

1 MByte nvSRAM (optional, trade off with GSPI)

32 KByte EEPROM (optional, trade off with I2C)
mPCIe

1x mPCIe (optional, Full Size, w/ PCIe x1 & USB 2.0, trade off with 2nd 2.5 GbE)
SIM Card Holder

1x SIM Card Holder (optional, Nano size, Push-Push type, connected to mPCIe)
Power
Input Voltage

DC 11 V ~ 32 V (w/ reserve polarity protection, DC input from terminal block)

DC 12 V / 5 VSB / 3.3 VSB (DC input from Board-to-board connector)
Connector

1x3-pin 3.5 mm pitch terminal block

Board-to-board Connector
Mechanical
Dimension (L x W)

146 mm x 59 mm / 5.75" x 2.32"
Connection

100-pin extended board-to-board connector
Application
Supported
Baseboard

Kontron 3.5’’-SBC with 100-pin extended board-to-board connector

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3.3. Dimensions
The dimensions of the 3.5"-eIO-GPA are 146 mm x 59 mm.
Figure 6: Board Dimensions
unit: mm
3.4. Environmental Conditions
The 3.5"-eIO-GPA is compliant with the following environmental conditions. It is the customer's responsibility to
provide sufficient airflow around each of the components to keep them within the allowed temperature range.
Table 2: Environmental Conditions
Operating Temperature

0 °C ~ 60 °C / 32 °F ~ 140 °F (Standard)

-20 °C~ 70 °C / -4 °F ~ 158 °F (Extended)
Storage Temperature

-20 °C ~ 80 °C / -4 °F ~ 176 °F (Standard)

-40 °C ~ 85 °C / -40 °F ~ 185 °F (Extended)
Humidity

0 % ~ 95 %

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3.5. Power Supply Voltage
The 3.5‘‘-eIO-GPA is powered either by the DC input delivered from the single board comouter via the board-to-board
connector or by the input power supply delivered from a power supply unit via the 1x3-pin 3.5 mm pitch terminal
block located on rear I/O panel, which will be further delivered via the board-to-board connector to power the single
board computer. In case of the latter, the input power supply must monitor the supply voltage and shut down if the
supply is out of range -- refer to the actual power supply specification, in order to ensure safe operation of the 3.5‘‘-
eIO-GPA and the single board computer. Please note, in order to keep the power consumption to a minimal level,
boards do not implement a guaranteed minimum load. The input power supply delivered via the terminal block to the
3.5"-eIO-GPA must be within the range between DC 11 V and DC 32 V.
Hot Plugging power supply is not supported. Hot plugging might damage the board.
The requirements to the supply voltages are as follows:
Table 3: Supply Voltages
Supply Min. Max. Note
11 V ~ 32 V 10.45 V 33.6 V Should be ±5 % tolerance

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4/ Connector Locations
4.1. Top Side
Figure 7: Top Side
Table 4: Jumper List
Item Designation Description See Chapter
1 JP1 eDP Backlight & Panel Power Selection (optional) -
2 JP3 Power Mode Selection 7.7.1
Table 5: Top Side Internal Connector Pin Assignment
Item Designation Description See Chapter
3 CN1 eDP Panel Connector (optional) -
4 CN2 SMBus Wafer 7.1
5 CN3 I2C Wafer 7.2
6 CN4 GSPI Wafer 7.3
7 CN5 UART Wafer 7.4
8 CN6 Nano SIM Card Holder for MPCIE1 (optional) -
9 CN7 Power Output Wafer 7.5
10 CN8 Activity Indicator Header for MPCIE1 (optional) -
1
9
3
4
5
6
7
8
2
10

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4.2. Rear Side
Figure 8: Rear Side
Table 6: Rear Side Internal Connector Pin Assignment
Item Designation Description See Chapter
1 CN15 B2B Connector 7.6
2 MPCIE1 Mini-PCI Express Socket (optional) -
1
2