
www.dfi .comChapter 1 Introduction
3
Table of Contents
Copyright .............................................................................................................2
Trademarks ........................................................................................................2
FCC and DOC Statement on Class B .....................................................2
About this Manual ..........................................................................................4
Warranty ............................................................................................................4
Static Electricity Precautions ......................................................................4
Safety Measures ..............................................................................................4
About the Package .........................................................................................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
Installing the DIMM Module ........................................................................13
Connectors ...................................................................................................14
CPU Fan Connector .....................................................................................14
COM Express Connectors ............................................................................15
COM Express connector Signal Discription ....................................................16
Standby Power LED ...................................................................................26
Cooling Option ............................................................................................ 26
Installing KB968 onto a Carrier Board .................................................27
Installing the COM Express Debug Card .............................................30
Chapter 4 - BIOS Setup ............................................................... 33
Overview ..................................................................................................... 33
AMI BIOS Setup Utility .............................................................................34
Main ..........................................................................................................34
Advanced ................................................................................................... 34
Chipset ......................................................................................................41
Boot...........................................................................................................47
Security ......................................................................................................48
Save & Exit ................................................................................................48
Updating the BIOS ....................................................................................49
Chapter 5 - Supported Software ..........................................................50
Chapter 6 - GPIO Programming Guide...............................................58
Appendix A - nLite and AHCI Installation Guide ........................... 59
nLite ...............................................................................................................59
AHCI ..............................................................................................................63
Appendix B - Watchdog Sample Code ................................................65
Appendix C - System Error Message ...................................................66
Appendix D - Troubleshooting ................................................................ 67
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