Caple CM109 User Manual download pdf (Page 89)

BDM-610000082 Rev A Appendix B: Troubleshooting 81

Troubleshooting a PC/104 System

If you have reviewed the preceding table and still cannot isolate the problem with your CMX34GS cpuModule,

please try the following troubleshooting steps. Even if the resulting information does not help you find the

problem, it will be very helpful if you need to contact technical support.

1. Simplify the system. Remove items one at a time and see if one particular item seems to cause the

problem.

2. Swap components. Try replacing items in the system one-at-a-time with similar items.

1 2 ... 84 85 86 87 88 89 90 91 92 93 94 ... 101 102

CMX34GS cpuModules™ 1
Revision History 2
Table of Contents 5
Appendix A Hardware Reference 7
Appendix B Troubleshooting 7
Chapter 1 Introduction 9
CMX34GS cpuModules 10
Ordering Information 12
Board Features 13
RTD Enhanced BIOS 15
Block Diagram 16
Specifications 17
Operating Conditions 18
Electrical Characteristics 19
New I/O Connectors 21
Connector Differences 21
UEFI Shell 22
Contact Information 23
Chapter 2 Getting Started 25
Connector Locations 26
Stack Example 29
Connecting to the Stack 30
Power Input Connections 30
Proper Grounding Techniques 34
Auxiliary Power (CN3) 36
USB 2.0 Connector 37
System Reset 38
Soft Power Button 38
SVGA Video Connector (CN18) 40
DisplayPort Connector (CN19) 41
191715131197531 42
2018161412108642 42
Serial Port UART 43
RS-232 Serial Port (Default) 43
RS-422 or RS-485 Serial Port 44
RS-422 Mode Pinout 45
RS-485 Mode Pinout 46
Dual Serial Port Modes 47
Table 23 aDIO Pinout 49
Table 24 USB Connector (CN17) 50
Table 25 USB Connector (CN27) 50
PCIe/104 Type 2 Compatibility 55
Pin Signal Function 56
1 BAT RTC Battery Input 56
2GNDGround 56
Chapter 4 Using the cpuModule 57
The RTD Enhanced BIOS 58
Main Menu Setup Fields 59
Boot Device Selection Menu 59
Windows® 60
Memory Map 61
I/O Address Map 62
Hardware Interrupts 63
Digital I/O Register Set 64
0 no mask, 1 mask 10 DIO mask 65
Advanced Digital Interrupts 66
Event Mode 66
Match Mode 66
Strobe Mode 67
SATA Controller Configuration 68
Legacy Mode 69
Real Time Clock Control 70
Watchdog Timer Control 73
Thermal Management 74
Power Management 75
Performance States (P-states) 76
AT vs. ATX Power Supplies 76
ATX Power Supply Signals 76
Reducing Power Consumption 76
Multi-Color LED 77
Reset Status Register 78
System Recovery 81
Jumper Settings and Locations 84
Onboard PCI/PCIe Devices 85
Physical Dimensions 86
Common Problems and Solutions 88
IDAN Contents 93
External I/O Connections 94
2.HDMI mode only 97
Application Notes 99
Drivers and Example Programs 99
Interrupt Programming 99
Serial Port Programming 99
PC/104 Specifications 99
Appendix E Limited Warranty 101

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