Asus Aaeon ECB-927 User manual

Last Updated: October 20, 2022
ECB-927
COM Express Carrier Board
User’s Manual 1st Ed

Preface II
COM Express Carrier Board ECB-927
Copyright Notice
This document is copyrighted, 2022. 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.

Preface III
COM Express Carrier Board ECB-927
Acknowledgement
All other products’ name or trademarks are properties of their respective owners.
⚫Intel® and Celeron® are registered trademarks of Intel Corporation
All other product names or trademarks are properties of their respective owners.
Omission from this list does not imply any claim of ownership by the publisher of this
document.

Preface IV
COM Express Carrier Board ECB-927
Packing List
Before setting up your product, please make sure the following items have been
shipped:
Item
Quantity
⚫ECB-927A-A10
1
⚫COM Port Cable
2
If any of these items are missing or damaged, please contact your distributor or sales
representative immediately.

Preface V
COM Express Carrier Board ECB-927
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 at AAEON.com for the latest version of this
document.

Preface VI
COM Express Carrier Board ECB-927
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.

Preface VII
COM Express Carrier Board ECB-927
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 WITH
TEMPERATURES BEYOND THE DEVICE’S PERMITTED STORAGE TEMPERATURES
(SEE CHAPTER 1) TO PREVENT DAMAGE.

Preface VIII
COM Express Carrier Board ECB-927
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
COM Express Carrier Board ECB-927
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
X
○
○
○
○
外部信号
连接器及线材
X
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
COM Express Carrier Board ECB-927
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
X
O
O
O
○
Wires &
Connectors
for External
Connections
X
X
O
O
O
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
COM Express Carrier Board ECB-927
Table of Contents
Chapter 1 - Product Specifications.......................................................................................... 1
1.1 Specifications............................................................................................................ 2
Chapter 2 –Hardware Information ....................................................................................... 4
2.1 Dimensions ............................................................................................................... 5
2.2 List of Jumpers and Switches ................................................................................6
2.2.1 V5SB Connection (JP_5SB1) ....................................................................... 7
2.2.2 V5SB Connection (JP_5SB2) ...................................................................... 7
2.2.3 80 Port Selection (JP_80C)......................................................................... 8
2.2.4 JP_557V Vref_A Selection (JP_557V) ........................................................8
2.2.5 LPC/eSPI CLK Buffer Voltage Selection (JP_CLKV)................................9
2.2.6 COM Port Mode (JP_COM1)...................................................................... 9
2.2.7 COM Port Mode (JP_COM2).....................................................................9
2.2.8 COM Port Voltage Selection (JP_COMV)...............................................10
2.2.9 LPC/ESPI Selection (JP_E_LS)....................................................................10
2.2.10 LPC/ESPI ENABLE (JP_ESPI) ...................................................................... 11
2.2.11 FAN Voltage Selection (JP_FANV)............................................................ 11
2.2.12 CB PWR OK Connection (JP_POK)..........................................................12
2.2.13 Power Supply Mode Selection (JP_PSON).............................................12
2.2.14 RTC Control Selection (JP_RTC)................................................................13
2.2.15 TPM Physical Presence (PP) (JP_TPM)....................................................13
2.2.16 BIOS Selection (SW1)..................................................................................14
2.2.17 Port 80 PRE# button (SW2)......................................................................14
2.2.18 SATA Port 1 Redriver Pre-Emphasis Selection (1-4OFF) (SW50)........15
2.2.19 SATA Port 0 Redriver Pre-emphasis Selection (1-4OFF) (SW51)........16
2.3 List of Connectors...................................................................................................17
2.3.1 COM Express Type 7 Row A/B Connector (CN1) .................................19

Preface XII
COM Express Carrier Board ECB-927
2.3.2 Other Function Pin Header (CN3)..........................................................23
2.3.3 NCSI Pin Header (CN6) ............................................................................24
2.3.4 NCSI Pin Header (CN7) ............................................................................24
2.3.5 COM Express Type 7 Row C/D Connector (CN8)...............................25
2.3.6 PCI Express 4.0 [x4] Slot (CN9/CN10)....................................................29
2.3.7 X557 LAN SPI Connector (CN13)............................................................29
2.3.8 SPI Connector (CN18) ...............................................................................30
2.3.9 SATA III (6.0 Gbps) Connector (CN21/CN22)........................................30
2.3.10 Digital I/O Connector (CN23) .................................................................30
2.3.11 SMBUS Pin Header (CN24).......................................................................31
2.3.12 I2C Pin Header (CN25)..............................................................................31
2.3.13 PCI Express 4.0 [x16] Slot (CN26).............................................................31
2.3.14 PCI Express 4.0 [x8] Slot (CN27) ..............................................................31
2.3.15 Dual USB3.2 Gen 2 Ports (CN28) ...........................................................32
2.3.16 eSPI Connector (CN29) ............................................................................32
2.3.17 LPC Connector (CN30).............................................................................32
2.3.18 SIO Slot (CN31) ...........................................................................................33
2.3.19 Front Panel Header (CN32) .....................................................................34
2.3.20 SMBUS header for PCIe Hot plug (CN33)............................................34
2.3.21 10GBASE-T RJ45 (CN_10G0~ CN_10G3)................................................34
2.3.22 4-pin 12V Power for COM Express Module (CN_ATX1) .....................35
2.3.23 24-pin ATX Power Connector (CN_ATX2).............................................35
2.3.24 Serial Port Connector (CN_COM1).........................................................35
2.3.25 Serial Port Connector (CN_COM2) ........................................................35
2.3.26 PWM FAN Pin Header (CN_FAN1)..........................................................36
2.3.27 LAN RJ-45 + Dual USB 3.2 Gen 2 Ports (CN_LAN1_USB1)................36
2.4 Function Block Diagram.......................................................................................37

COM Express Carrier Board ECB-927
Chapter 1
Chapter 1 - Product Specifications

Chapter 1 –Product Specifications 2
COM Express Carrier Board ECB-927
1.1 Specifications
System
Form Factor
COM Express Basic size Type 7 Carrier Board in
ATX form factor
COM Express Connector
x 2 (Row A/B and Row C/D, Type 7 pin out)
I/O Chipset
-
Front Panel Control
10-pin (5 x 2) header
Ethernet
Intel® x557AT4: 10G Base T x 4
GbE x 1 (source from module)
Expansion Interface
PCIe [x4] x 2
PCIe [x8] x 1
PCIe [x16] x 1 (PEG port)
Power Supply Type
Standard 24-pin ATX + 4-pin 12V
CMOS Battery
CR2032 Holder x 1
BIOS
-
Board Size
12” x 9.6” (305mm x 244mm)
Gross Weight
1.5 lb. (0.7Kg)
Operating Temperature
32°F ~ 140°F (0°C ~ 60°C)
Storage Temperature
-40°F ~ 176°F (-40°C ~ 80°C)
Operating Humidity
0% ~ 90% relative humidity, non-condensing
MTBF
TBD
Display
DVT/CRT/VGA
N/A. via PCIe Graphic card
LVDS / eDP
N/A. via PCIe Graphic card
SDVO
N/A. via PCIe Graphic card
DDI
N/A. via PCIe Graphic card

Chapter 1 –Product Specifications 3
COM Express Carrier Board ECB-927
I/O
Storage
SATA x 2
Serial Port
2-wire UART x 2 (TX/RX)
USB
USB 3.2 x 4
Audio
-
PS/2 Port
-
GPIO
8-bit
Switch/Button
Power Button x 1 / Reset Button x 1
Debug LED
7-SEG LED X2 80 Port POST Code Indicator
I2C
x 1
Expansion Interface
SMBus, LPC/eSPI slot.
Note: I/O functions are based on the module installed. Refer to the function table on
the datasheet for more information.

COM Express Carrier Board ECB-927
Chapter 2
Chapter 2 –Hardware Information

Chapter 2 –Hardware Information 5
COM Express Carrier Board ECB-927
2.1 Dimensions

Chapter 2 –Hardware Information 6
COM Express Carrier Board ECB-927
2.2 List of Jumpers and Switches
Please refer to the table below for all of the board’s jumpers that you can configure for
your application
Label
Function
JP_5SB1
V5SB Connection
JP_5SB2
V5SB Connection
JP_80C
80 Port Selection
JP_557V
JP_557V Vref_A Selection
JP_CLKV
LPC/eSPI CLK Buffer Voltage Selection
JP_COM1
COM Port Mode
JP_COM2
COM Port Mode
JP_COMV
COM Port Voltage Selection
JP_E_LS
LPC/ESPI Selection
JP_ESPI
LPC/ESPI Enable
JP_FANV
FAN Voltage Selection
JP_POK
CB PWR OK Connection
JP_PSON
Power Supply Mode Selection
JP_RTC
RTC Control Selection
JP_TPM
TPM Physical Presence (PP)
SW1
BIOS Selection
SW2
Port 80 PRE# Button
SW50(1-4OFF)
SATA Port 1 Redriver Pre-emphasis Selection
SW51(1-4OFF)
SATA Port 0 Redriver Pre-emphasis Selection

Chapter 2 –Hardware Information 7
COM Express Carrier Board ECB-927
2.2.1 V5SB Connection (JP_5SB1)
Pin
Function
1-2 (Default)
V5SB connection
2-3
V5SB disconnection
2.2.2 V5SB Connection (JP_5SB2)
Pin
Function
1-2 (Default)
V5SB connection
2-3
V5SB disconnection
JP_5SB1(1-2)
1653-MJ-00
+V5SB_J_CB
JP_5SB1
3*1P/2.54mm
1
2
3+V5SB_CB
JP_5SB2(1-2)
1653-MJ-00
+V5SB_J_CB
JP_5SB2
3*1P/2.54mm
1
2
3+V5SB_CB

Chapter 2 –Hardware Information 8
COM Express Carrier Board ECB-927
2.2.3 80 Port Selection (JP_80C)
Pin
Function
1-2
82/83 Port
2-3 (Default)
80/81 Port
2.2.4 JP_557V Vref_A Selection (JP_557V)
Pin
Function
1-2 (Default)
+V2P5S
2-3
+V1P2S
JP_80C
3*1P/2.54mm
1
2
3
+V3P3S
R813 1K
1% R0402
JP_80C(2-3)
1653-MJ-00
PRE#/PORT_SEL
R812 1K
1% R0402
+V3P3A
+V1P2S
C109
0.1uF
16V
C0402
+V2P5S
C108
0.1uF
16V
C0402
JP_557V(1-2)
1653-MJ-00
JP_557V
3*1P/2.54mm
1
2
3
+VREF_A
C110
0.1uF
16V
C0402