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IBM BDM-610000049 user manual Appendix B Troubleshooting

Models: BDM-610000049

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Appendix B Troubleshooting

Many problems you may encounter with operation of your CMX158886 cpuModule are due to common errors. This appendix includes the following sections to help you get your system operating properly.

Common Problems and Solutions —page 92

Troubleshooting a PC/104-PlusSystem—page 93

How to Obtain Technical Support—page 94

BDM-610000049 Rev G

Appendix B: Troubleshooting 91

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IBM BDM-610000049 user manual Appendix B Troubleshooting

Contents

CMX158886 cpuModules “Accessing the Analog World”BDM-610000049 Revision G User’s ManualCMX158886 cpuModules User’s Manual Revision HistoryCMX158886 cpuModules “Accessing the Analog World”BDM-610000049 Rev G iv CMX158886 cpuModuleChapter Connecting the cpuModuleIntroduction Getting StartedChapter Using the cpuModuleBridge Link CN4 BDM-610000049 Rev GWatchdog Timer Control IDE Controller ConfigurationAdvanced Configuration and Power Interface ACPI multiPort Parallel Port ControlAppendix C IDAN Dimensions and Pinout TroubleshootingAppendix A Hardware ReferencePC/104 and PC/104-Plus Specifications Appendix E Limited WarrantyBDM-610000049 Rev G x CMX158886 cpuModuleConnecting the cpuModule ChapterUsing the cpuModule TroubleshootingFigure 1 CMX158886 cpuModule top view CMX158886 cpuModulesEnhanced Intel SpeedStep PX only Error-Correction Codes Selected Models OnlyThermal Monitor aDIO with Wake-on-aDIOBDM-610000049 Rev G 4 CMX158886 cpuModuleCMX158886 Model Options Ordering InformationTable 1 CMX158886 cpuModule Model Options Chapter 1 IntroductionCable Kits and Accessories Board Features Page BIOS Surface-mount Flash chip that holds ROM-DOS Quick Boot mode USB Device Network Fail Safe Boot ROM10 CMX158886 cpuModule BDM-610000049 Rev GChapter 1 Introduction Block DiagramFigure 2 CMX158886 cpuModule Simplified Block Diagram Physical Characteristics SpecificationsPower Consumption Electrical CharacteristicsChapter 1 Introduction Table 4 Electrical CharacteristicsBridge Link CN4 IDE & ATA/IDE Disk Chip Socket1Utility Port Connector CN5 Table 4 Electrical CharacteristicsExternal Power Management CN12 - PME# 14 CMX158886 cpuModuleRTD Embedded Technologies, Inc 103 Innovation Blvd State College, PA Contact InformationUSA Phone +1-814-234-8087 Fax +1-814-234-5218 Chapter 1 IntroductionBDM-610000049 Rev G 16 CMX158886 cpuModuleChapter 2 Getting Started Figure 3 CMX158886 Connector Locations Connector LocationsTable 5 CMX158886 Basic Connectors Connecting to the PC/104-Plus PCI Bus Connecting the Utility CableConnecting a Keyboard PCI Bus Expansion Card Power Slot Selection SwitchesPCI Bus Signaling Levels +5 Volt DCBooting the CMX158886 cpuModule for the First Time Chapter 3 Connecting the cpuModule Chapter 3 Connecting the cpuModuleProper Grounding Techniques Figure 4 CMX158886 Connector LocationsConnector Locations 24 CMX158886 cpuModuleBDM-610000049 Rev G Table 6 CMX158886 Basic ConnectorsTable 7 Auxiliary Power Connector CN31 Auxiliary Power CN3Reserved +5VSTDBY+3.3 Speaker Utility Port Connector CN5Table 8 Utility Port Connector CN5 Soft Power Button System ResetTable 9 Keyboard Connector Pins CN5 Table 10 Mouse Connector Pins CN5BDM-610000049 Rev G Battery30 CMX158886 cpuModule Table 11 SVGA Video Connector CN18 SVGA Video Connector CN18The following table lists the supported video resolutions Table 12 SVGA Video ResolutionsTable 14 Tested LVDS Panels LVDS Flat Panel Video Connector CN19Table 13 Flat Panel Video Connector CN19 Table 15 EIDE Connector CN101 EIDE Connector CN10Table 16 ATA/IDE Disk Chip Socket U161 Installing and Configuring the ATA/IDE Disk ChipATA/IDE Disk Chip Socket U16 ATA/IDE Disk Chip Socket U16 Pin 1 indicated by arrow Figure 5 CMX158886 before and after ATA/IDE Disk Chip InstallationATA/IDE Disk Chip Pin 1 indicated by arrow Table 17 Serial Port Settings RS-232 Serial Port DefaultTable 18 Serial Port in RS-232 Mode Serial Port 1 CN7 and Serial Port 2 CN8Table 19 Full-Duplex Connections Table 20 Half-Duplex RS-485 ModeRS-422 or RS-485 Serial Port Table 21 Serial Port in RS-422/485 Mode RS-422 and RS-485 Mode PinoutTable 22 Dual Serial Port Connections Dual Serial Port ModesTable 23 Dual Serial Port Modes Table 24 COM A RS-232 and COM BRS-232BDM-610000049 Rev G Table 25 COM A RS-422/485 and COM B RS-232Table 26 COM A RS-422/485 and COM B RS-422/485 multiPort CN6 multiPort Configured as an Advanced Digital I/O aDIO PortmultiPort Electrostatic Discharge ESD and Undershoot Protection Table 27 multiPort aDIO PinoutTable 28 multiPort Connector CN6 as a Parallel Port multiPort Configured as a Parallel PortTable 29 multiPort Connector Floppy Pinout CN61 multiPort Configured as a Floppy Drive ControllerTable 30 USB Connector CN17 USB 2.0 Connector CN17DATA1+ BDM-610000049 Rev GDATA1 VCC1Table 31 Ethernet Connector CN20 Ethernet 10/100Base-T and -TX Connector CN20Audio CN11 Table 32 Audio Connector CN11Chapter 3 Connecting the cpuModule Table 33 PC/104-Plus Bus Signal Assignments1PC/104-Plus PCI Bus CN16 Interface Control Pins PC/104-Plus PCI Bus SignalsError Reporting Address and DataATX Power Management Signals optional Power Supplies and VIOTable 34 Bridge Link CN4 Bridge Link CN4Optional RTC Battery Input CN13 External Power Management CN12Fan Power, +5 V CN14 Table 35 External Power Management CN12Table 38 Fan Power, Switched CN15 Fan Power, Switched CN15This chapter includes information on the following topics Chapter 4 Using the cpuModuleConfiguring the RTD Enhanced AMI BIOS The RTD Enhanced AMI BIOSEntering the BIOS Setup Table 39 Setup KeysTable 40 Main Menu Setup Fields Main Menu Setup FieldsPower On Self Test POST Codes 58 CMX158886 cpuModule Booting to Boot Block Flash with Fail Safe Boot ROMTable 41 First Megabyte Memory Map Memory MapTable 42 I/O Addresses Reserved for the CMX158886 cpuModule I/O Address MapTable 43 Hardware Interrupts Used on the CMX158886 cpuModule Hardware InterruptsDigital I/O Register Set multiPort Advanced Digital I/O Ports aDIOTable 44 Port 0 Data I/O Address 450h Table 45 Port 1 Data I/O Address 451hTable 48 DIO-Control I/O Address 453h-Write Access Table 47 DIO-Control I/O Address 453h-Read AccessTable 49 Multi-Function at Address 452h1 Clear RegisterMatch Mode Event ModeInterrupts Advanced Digital InterruptsFigure 6 aDIO Match Mode Strobe ModeWake-on-aDIO Table 51 Interrupt and Wake Event GenerationmultiPort Floppy Drive multiPort Parallel Port ControlAC’97 Audio Ethernet 10/100Base-T and -TXDevice and Host Mode IDE Controller ConfigurationCable Modes Cable DetectionConfiguring the ATA/IDE Disk Chip Socket Legacy Mode and Native Mode IDELegacy Mode Native ModeReal Time Clock Control Accessing the RTC RegistersOverview Table 52 Real Time Clock RegistersBit 3-0 Reserved Table 52 Real Time Clock RegistersTable 53 Watchdog Timer Control I/O Address 455h Watchdog Timer ControlFurther Temperature Reduction Fan ModeThermal Management Thermal MonitorAdvanced Configuration and Power Interface ACPI Power ManagementPower Button Modes Low-Power Wake Options74 CMX158886 cpuModule AT vs. ATX Power SuppliesATX Power Supply Signals Reducing Power Consumption Table 54 LED Colors Multi-Color LEDTable 55 Multi-Color LED I/O Address 456h Table 56 Manual LED ColorsTable 58 Reset Status I/O Address 457h - Write Access Reset Status RegisterTable 57 Reset Status I/O Address 457h - Read Access BDM-610000049 Rev G Table 59 Reset Status Description and Priorities78 CMX158886 cpuModule DVMT Mode Select Table 61 EEPROM Register Description User EEPROMTable 60 User EEPROM I/O Address 456h Quick Boot Features and Settings That Can Affect Boot TimeAdd-On Cards With BIOS Extensions NVRAM UpdatesBooting to the Fail Safe Boot ROM FSBR System RecoveryLoading Default BIOS Settings Basic Interrupt Information for Programmers What happens when an interrupt occurs?How long does it take to respond to an interrupt? Interrupt Request LinesIntel 8259 Programmable Interrupt Controller Writing an Interrupt Service Routine ISRPCI Interrupts Sample CodeAppendix A Hardware Reference Appendix A Hardware ReferenceJP1 JP12 JP11 JP9 JP2 JP13 JP14 JP5 JP6 Jumper Settings and Locationspins 2-3 +5 Figure 7 CMX158886 Jumper Locations top sideTable 62 CMX158886 Jumpers Table 63 Onboard PCI Devices Onboard PCI DevicesAppendix A Hardware Reference Physical DimensionsFigure 8 CMX158886 Physical Dimensions ±0.005 inches BDM-610000049 Rev G 90 CMX158886 cpuModuleAppendix B Troubleshooting Appendix B TroubleshootingTroubleshooting Common Problems and SolutionsTable 64 Troubleshooting cont’d Troubleshooting a PC/104-Plus SystemHow to Obtain Technical Support Appendix C IDAN Dimensions and Pinout Appendix C IDAN Dimensions and PinoutFigure 9 IDAN-CMX158886 Connectors1 IDAN Dimensions and ConnectorsFRONT REARExternal I/O Connections Table 65 PS/2 Mouse - 6-Pin mini-DIN Connector femaleTable 66 Keyboard - 6-Pin mini-DIN Connector female 98 CMX158886 cpuModule Table 67 COM1/COM2 RS-232 - 9-Pin D Connector maleTable 68 COM1/COM2 RS-422/485 - 9-Pin D Connector male BDM-610000049 Rev G Table 69 multiPort - 25-Pin D Connector femaleAppendix C IDAN Dimensions and Pinout 100 CMX158886 cpuModule Table 70 Panel - 20-Pin mini D Connector femaleBDM-610000049 Rev G Table 71 SVGA - 15-Pin High Density D Connector femaleTable 73 Ethernet - 9-Pin D Connector female Table 72 USB - 9-Pin D Connector male102 CMX158886 cpuModule BDM-610000049 Rev GBDM-610000049 Rev G Table 74 Audio - 9-Pin D Connector femaleAppendix C IDAN Dimensions and Pinout Figure 10 IDAN-CMX158886-BRG Connectors1 IDAN Dimensions and Connectors BRG version onlyFRONT REARAppendix C IDAN Dimensions and Pinout Table 75 aDIO - 37-Pin D Connector femaleExternal I/O Connections BRG version only BDM-610000049 Rev G 106 CMX158886 cpuModuleP2-Strobe +5 Volts Fused @ 2AAppendix D Additional Information PC/104 and PC/104-Plus SpecificationsApplication Notes Drivers and Example ProgramsBDM-610000049 Rev G 108 CMX158886 cpuModuleAppendix E Limited Warranty BDM-610000049 Rev G 110 CMX158886 cpuModule