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Chapter 1 Introduction
3
Table of Contents
Copyright
.............................................................................................................2
Trademarks
........................................................................................................2
COM Express Specification Reference
...................................................2
FCC and DOC Statement on Class B
.....................................................2
Warranty
..............................................................................................................4
Static Electricity Precautions
......................................................................4
Safety Measures
..............................................................................................4
About the Package
.........................................................................................5
Optional Items
..................................................................................................5
Before Using the System Board
...............................................................5
Chapter 1 - Introduction
.............................................................................6
Specifications
................................................................................................6
Features
..........................................................................................................7
Chapter 2 - Concept
....................................................................... 8
COM Express Module Standards
..............................................................8
Specification Comparison Table
...............................................................9
Chapter 3 - Hardware Installation
...............................................
10
Board Layout
............................................................................................... 10
Block Diagram
............................................................................................. 10
Mechanical Diagram
.................................................................................. 11
System Memory
.......................................................................................... 12
Connectors
................................................................................................... 13
COM Express Connector ............................................................................. 13
COM Express Connector Signal Discription .................................................. 16
Cooling Option
............................................................................................ 22
Heat Sink ................................................................................................... 22
Installing AL9A3 onto a Carrier Board
................................................. 22
Installing the COM Express Debug Card
............................................. 23
Chapter 4 - BIOS Setup
............................................................... 26
Overview
....................................................................................................... 26
AMI BIOS Setup Utility
............................................................................. 27
Main ......................................................................................................... 27
Advanced .................................................................................................. 27
Security .................................................................................................... 34
Boot ......................................................................................................... 35
Save & Exit ............................................................................................... 36
Updating the BIOS
.................................................................................... 37
Notice: BIOS SPI ROM
............................................................................. 37
Chapter 5 - Supported Software
........................................................... 38
Chapter 6 - GPIO Programming Guide
............................................... 45
Appendix A - Watchdog Sample Code
................................................ 46
Appendix B - System Error Message
................................................... 47
Appendix C - Troubleshooting
................................................................ 49