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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
System Memory
.......................................................................................... 11
Connectors
................................................................................................... 12
COM Express Connector .............................................................................. 12
COM Express Connector Signal Discription ................................................... 15
Cooling Option
............................................................................................ 21
Heat Sink ................................................................................................... 21
Installing AL9A2 onto a Carrier Board
................................................. 21
Installing the COM Express Debug Card
............................................. 22
Chapter 4 - BIOS Setup
............................................................... 25
Overview
....................................................................................................... 25
AMI BIOS Setup Utility
............................................................................. 26
Main .......................................................................................................... 26
Advanced ................................................................................................... 26
Security ...................................................................................................... 33
Boot........................................................................................................... 34
Save & Exit ................................................................................................ 35
Updating the BIOS
.................................................................................... 36
Notice: BIOS SPI ROM
............................................................................. 36
Chapter 5 - Supported Software
........................................................... 37
Chapter 6 - GPIO Programming Code
................................................ 44
Appendix A - Watchdog Sample Code
................................................ 45
Appendix B - System Error Message
................................................... 46
Appendix C - Troubleshooting
................................................................ 48
