Aaeon PICO-EHL1 User manual

Last Updated: April 12, 2023

PICO-EHL1

PICO-ITX Single Board Computer

User’s Manual 1st Ed

Preface II

Pico-ITX Board PICO-EHL1

Copyright Notice

This document is copyrighted, 2023. All rights are reserved. The original manufacturer

reserves the right to make improvements to 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 the original

manufacturer. Information provided in this manual is intended to be accurate and

reliable. However, the original manufacturer assumes no responsibility for its use, or for

any infringements upon the rights of third parties that may result from its use.

The material in this document is for product information only and is subject to change

without notice. While reasonable efforts have been made in the preparation of this

document to assure its accuracy, AAEON assumes no liabilities resulting from errors or

omissions in this document, or from the use of the information contained herein.

AAEON reserves the right to make changes in the product design without notice to its

users.

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Pico-ITX Board PICO-EHL1

Acknowledgement

All other products’ name or trademarks are properties of their respective owners.

⚫ Microsoft Windows® is a registered trademark of Microsoft Corp.

⚫ Intel®, Atom®, and Celeron® are registered trademarks of Intel Corporation

⚫ ITE is a trademark of Integrated Technology Express, Inc.

⚫ IBM, PC/AT, PS/2, and VGA are trademarks of International Business Machines

Corporation.

⚫ Ubuntu and Canonical are registered trademarks of Canonical Ltd.

All other product names or trademarks are properties of their respective owners.

Omission of a product name from this list does not imply any claim to ownership by the

publisher of this document.

Preface IV

Pico-ITX Board PICO-EHL1

Packing List

Before setting up your product, please make sure the following items have been

shipped:

Item

Quantity

⚫ PICO-EHL1

1

If any of these items are missing or damaged, please contact your distributor or sales

representative immediately.

Preface V

Pico-ITX Board PICO-EHL1

About this Document

This User’s Manual contains all the essential information, such as detailed descriptions

and explanations on the product’s hardware and software features (if any), its

specifications, dimensions, jumper/connector settings/definitions, and driver installation

instructions (if any), to facilitate users in setting up their product.

Users may refer to the product page on AAEON.com for the latest version of this

document.

Preface VI

Pico-ITX Board PICO-EHL1

Safety Precautions

Please read the following safety instructions carefully. It is advised that you keep this

manual for future references

1. All cautions and warnings on the device should be noted.

2. Make sure the power source matches the power rating of the device.

3. Position the power cord so that people cannot step on it. Do not place anything

over the power cord.

4. Always completely disconnect the power before working on the system’s

hardware.

5. No connections should be made when the system is powered as a sudden rush

of power may damage sensitive electronic components.

6. If the device is not to be used for a long time, disconnect it from the power

supply to avoid damage by transient over-voltage.

7. Always disconnect this device from any AC supply before cleaning.

8. While cleaning, use a damp cloth instead of liquid or spray detergents.

9. Make sure the device is installed near a power outlet and is easily accessible.

10. Keep this device away from humidity.

11. Place the device on a solid surface during installation to prevent falls

12. Do not cover the openings on the device to ensure optimal heat dissipation.

13. Watch out for high temperatures when the system is running.

14. Do not touch the heat sink or heat spreader when the system is running

15. Never pour any liquid into the openings. This could cause fire or electric shock.

16. As most electronic components are sensitive to static electrical charge, be sure to

ground yourself to prevent static charge when installing the internal components.

Use a grounding wrist strap and contain all electronic components in any

static-shielded containers.

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Pico-ITX Board PICO-EHL1

17. If any of the following situations arises, please the contact our service personnel:

i. Damaged power cord or plug

ii. Liquid intrusion to the device

iii. Exposure to moisture

iv. Device is not working as expected or in a manner as described in

this manual

v. The device is dropped or damaged

vi. Any obvious signs of damage displayed on the device

18. DO NOT LEAVE THIS DEVICE IN AN UNCONTROLLED ENVIRONMENT WHERE

THE STORAGE TEMPERATURE IS BELOW -20° C (-4°F) OR ABOVE 60°C (140°F)

TO PREVENT DAMAGE.

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Pico-ITX Board PICO-EHL1

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, and (2) this device must accept any

interference received including interference that may cause

undesired operation.

Caution:

There is a danger of explosion if the battery is incorrectly replaced. Replace only with the

same or equivalent type recommended by the manufacturer. Dispose of used batteries

according to the manufacturer’s instructions and your local government’s recycling or

disposal directives.

Attention:

Il y a un risque d’explosion si la batterie est remplacée de façon incorrecte.

Ne la remplacer qu’avec le même modèle ou équivalent recommandé par le constructeur.

Recycler les batteries usées en accord avec les instructions du fabricant et les directives

gouvernementales de recyclage.

Preface IX

Pico-ITX Board PICO-EHL1

China RoHS Requirements (CN)

产品中有毒有害物质或元素名称及含量

AAEON Main Board/ Daughter Board/ Backplane

部件名称

有毒有害物质或元素

铅

(Pb)

汞

(Hg)

镉

(Cd)

六价铬

(Cr(VI))

多溴联苯

(PBB)

多溴二苯醚

(PBDE)

印刷电路板

及其电子组件

X

○

外部信号

连接器及线材

X

○

O：表示该有毒有害物质在该部件所有均质材料中的含量均在

SJ/T 11363-2006 标准规定的限量要求以下。

X：表示该有毒有害物质至少在该部件的某一均质材料中的含量超出

SJ/T 11363-2006 标准规定的限量要求。

备注：此产品所标示之环保使用期限，系指在一般正常使用状况下。

Preface X

Pico-ITX Board PICO-EHL1

China RoHS Requirement (EN)

Poisonous or Hazardous Substances or Elements in Products

AAEON Main Board/ Daughter Board/ Backplane

Component

Poisonous or Hazardous Substances or Elements

Lead

(Pb)

Mercury

(Hg)

Cadmium

(Cd)

Hexavalent

Chromium

(Cr(VI))

Polybrominated

Biphenyls

(PBB)

Polybrominated

Diphenyl Ethers

(PBDE)

PCB & Other

Components

X

O

○

Wires &

Connectors

for External

Connections

X

O

O：The quantity of poisonous or hazardous substances or elements found in each of the

component's parts is below the SJ/T 11363-2006-stipulated requirement.

X: The quantity of poisonous or hazardous substances or elements found in at least one of the

component's parts is beyond the SJ/T 11363-2006-stipulated requirement.

Note: The Environment Friendly Use Period as labeled on this product is applicable under normal

usage only

 
 
Preface      XI 
Pico-ITX Board      PICO-EHL1 
Table of Contents 
 
Chapter 1 - Product Specifications.......................................................................................... 1 
1 Specifications ............................................................................................................ 2 
2 Function Block Diagram ......................................................................................... 5 
Chapter 2 – Hardware Information ....................................................................................... 6 
1 Dimensions ............................................................................................................... 7 
2 Jumpers and Connectors ....................................................................................... 8 
3 List of Jumpers ........................................................................................................ 10 
3.1 Clear CMOS Jumper & Auto Power Button Enable/Disable (JP1) 10 
4 List of Connectors ................................................................................................... 11 
4.1 RTC Battery Connector (CN1) .............................................................. 12 
4.2 LVDS Back Light Inverter (CN2) ........................................................... 12 
4.3 LVDS/eDP [Reserved] (CN3) ................................................................ 13 
4.4 HDMI (CN4) ............................................................................................. 15 
4.5 Audio (CN5) ............................................................................................. 16 
4.6 RJ-45 (CN8) ............................................................................................. 17 
4.7 M.2 2242 B-Key (CN9)........................................................................... 18 
4.8 SATA (CN10) ............................................................................................. 21 
4.9 SATA Power (CN11) ................................................................................ 22 
4.10 4-bit DIO Header (CN12) ..................................................................... 22 
4.11 USB 3.2 Connector (Supports 2 Ports) (CN13) ................................ 23 
4.12 mSATA/Mini Card (CN15) ..................................................................... 24 
4.13 BIO (CN16) .............................................................................................. 26 
4.14 COM Dual Port Header (CN17) .......................................................... 29 
4.15 SPI Port (CN18) ........................................................................................ 31 
4.16 eSPI (Debug Card)/SMBus/I2C (CN19) .............................................. 31 
4.17 4-pin Smart Fan Connector (CN20) .................................................. 32 

 
 
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Pico-ITX Board      PICO-EHL1 
4.18 Power Input +12V (CN21) .................................................................... 33 
4.19 DC Jack Power Input (Reserved) (CN23) .......................................... 33 
4.20 USB 2.0 Connector (CN24/CN25)...................................................... 34 
4.21 Front Panel (CN26) ................................................................................ 35 
5 Thermal Assembly Options ................................................................................. 36 
5.1 Active Cooling Fan FAN01/02 ............................................................. 36 
5.2 Fanless Heatspreader HSP01/02 ......................................................... 37 
Chapter 3 - AMI BIOS Setup ................................................................................................ 38 
1 System Test and Initialization .............................................................................. 39 
2 AMI BIOS Setup ..................................................................................................... 40 
3 Setup Submenu: Main ...........................................................................................41 
4 Setup Submenu: Advanced ................................................................................. 42 
4.1 CPU Configuration ................................................................................ 43 
4.2 PCH-FW Configuration ........................................................................ 44 
4.2.1 Firmware Update Configuration ........................................... 45 
4.3 PTT Configuration ................................................................................. 46 
4.4 Trusted Computing ............................................................................... 47 
4.5 SATA Configuration ............................................................................... 49 
4.6 Hardware Monitor ................................................................................. 50 
4.6.1 Smart Fan Mode Configuration ............................................. 51 
4.7 SIO Configuration ................................................................................. 52 
4.7.1 Serial Port Configuration ........................................................ 53 
4.7.2 Serial Port Console Redirection ............................................. 54 
4.8 AAEON BIOS Robot .............................................................................. 55 
4.9 Power Management ............................................................................. 57 
4.10 Digital IO Port Configuration .............................................................. 58 
5 Setup Submenu: Chipset ..................................................................................... 59 
5.1 System Agent (SA) Configuration ...................................................... 60 

 
 
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Pico-ITX Board      PICO-EHL1 
3.5.1.1 Memory Configuration ............................................................ 61 
3.5.1.2 LVDS Panel Configuration ...................................................... 62 
3.6 Setup Submenu: Security ..................................................................................... 64 
3.6.1 Secure Boot ............................................................................................ 65 
3.6.1.1 Key Management ..................................................................... 66 
3.7 Setup Submenu: Boot .......................................................................................... 68 
3.7.1 BBS Priorities........................................................................................... 69 
3.8 Setup Submenu: Save & Exit ............................................................................... 70 
Chapter 4 – Drivers Installation ............................................................................................. 71 
4.1 Drivers Download and Installation ..................................................................... 72 
Appendix A – Mating Connectors ....................................................................................... 74 
A.1 List of Mating Connectors and Cables .............................................................. 75 
Appendix B - I/O Information .............................................................................................. 76 
B.1 Direct Memory Access (DMA) Map ................................................................... 77 
B.2 I/O Address Map ................................................................................................... 78 
B.3 IRQ Mapping Chart ............................................................................................... 80 
B.4 Large Memory Map .............................................................................................. 82 
B.5 Memory Address Map ......................................................................................... 82 
Appendix C - Watchdog Timer Programming ................................................................... 83 
C.1 Introduction to Watchdog Timer ....................................................................... 84 
C.2 Programing the Watchdog Timer with AAEON SDK ..................................... 85 
C.3 Programing Watchdog Timer with AAEON Windows EAPI ......................... 86 
C.3.1 Watchdog Timer Functions ................................................................. 87 
C.3.1.1 EapiWDogGetCap() ................................................................. 87 
C.3.1.2 EapiWDogStart() ...................................................................... 88 
C.3.1.3 EapiWDogTrigger() .................................................................. 89 
C.3.1.4 EapiWDogStop() ....................................................................... 89 
C.3.1.5 EapiWDogReloadTimer() ........................................................ 90 

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Pico-ITX Board PICO-EHL1

C.3.1.6 EapiWDogGetStatus() .............................................................. 90

C.3.1.7 EapiWDogSetStatus() ............................................................... 91

Pico-ITX Board PICO-EHL1

Chapter 1

Chapter 1 - Product Specifications

Chapter 1 – Product Specifications 2

Pico-ITX Board PICO-EHL1

1.1 Specifications

System

Form Factor

PICO-ITX

CPU

Intel Atom® x6000E, Celeron® N and J Processor Series:

Intel Atom® x6425E

(4C, 2.0GHz, up to 3.0GHz, TDP up to 12W)

Intel Atom® x6211E

(2C, 1.3GHz, up to 3.0GHz, TDP up to 6W)

Intel® Celeron® Processor J6412

(4C, 2.0GHz, up to 2.6GHz, TDP up to 10W)

Intel® Celeron® Processor N6210

(2C, 1.2GHz, up to 2.6GHz, TDP up to 6.5W)

Chipset

Integrated with Intel® SoC

Memory Type

DDR4 up to 3200MHz SODIMM x 1, up to 32GB

BIOS

UEFI

Wake on LAN

Yes

Watchdog Timer

255 Levels

Security

TPM 2.0 (Optional)

RTC Battery

Lithium Battery 3V/240mAh

Dimension

3.94" x 2.84" (100mm x 72mm)

Gross Weight

0.18 lb. (0.08Kg)

OS Support

Windows® 10 (64-bit)

Ubuntu 20.04.5/Kernel 5.15

Chapter 1 – Product Specifications 3

Pico-ITX Board PICO-EHL1

Power

Power Requirement

+12V

Power Supply Type

AT/ATX

Connector

2-pin Phoenix Connector (Default)

Lockable DC Jack Connector (Colay)

Power Consumption

Intel Atom® x6425E, DDR4 32GB, 2.67A@ +12V (Typical)

Intel Atom® x6425E, DDR4 32GB, 2.84A@ +12V (Max)

Display

Controller

Intel® UHD Graphics for 10th Gen Intel® Processors

LVDS/eDP

LVDS (2ch 18/24-bit) 1920 x 1200

(Optional: eDP 1.3, 3840 x 2160 @60Hz)

Display Interface

HDMI 1.4b x 1 (up to 3840 x 2160)

DDI (BIO, Optional)

Multiple Display

Up to 3 Simultaneous Displays

Audio

Codec

Realtek ALC269

Audio Interface

Line-in/Line-out/MIC

Speaker

━

External I/O

Ethernet

Realtek 8111H Gigabit Ethernet 10/100/1000Base, RJ-45 x 1

USB

USB 3.2 Gen 2 x 2

Serial Port

━

Video

HDMI 1.4b x 1 (up to 3840 x 2160)

Chapter 1 – Product Specifications 4

Pico-ITX Board PICO-EHL1

Internal I/O

USB

USB 2.0 x 2

Serial Port

COM 1, COM 2 (RS-232/422/485, supports 5V/12V/RI)

Video

LVDS (2ch 18/24bit) 1920 x 1200

(Optional: eDP 1.3, 3840 x 2160 @60Hz)

SATA

SATA III x 1

+5V SATA Power Connector x 1

Audio

Audio Header x 1

DIO/GPIO

4-bit

SMBus/I2C

SMBus/I2C x 1 (SMBus as default)

Touch

━

Fan

4-pin Smart Fan x 1

SIM

━

Front Panel

HDD LED, PWR LED, Power Button, Buzzer, Reset

Expansion

Mini PCI-E/mSATA

Full Size mPCIe/mSATA x 1

(SATA as default, PCIe selected by BIOS)

M.2

M.2 2242 B-Key x 1 (PCIe [x2] as default, USB 2.0 optional)

Others

BIO (Optional, supports PCIe [x2], USB 2.0, SMBus/GPIO,

Line-out, DDI2)

Environmental

Operating Temperature

32°F ~ 140°F (0°C ~ 60°C)

Storage Temperature

-40°F ~ 185°F (-40°C ~ 85°C)

Operating Humidity

0% ~ 90% relative humidity, non-condensing

MTBF (Hours)

494,537

EMC

CE/FCC Class A

Chapter 1 – Product Specifications 5

Pico-ITX Board PICO-EHL1

1.2 Function Block Diagram

Pico-ITX Board PICO-EHL1

Chapter 2

Chapter 2 – Hardware Information

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