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IBM BDM-610000049 Appendix D Additional Information, Application Notes, Interrupt Programming

Models: BDM-610000049

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Appendix D Additional Information

Application Notes

RTD offers many application notes that provide assistance with the unique feature set of the CMX158886 cpuModule. For the latest application notes, refer to the RTD website.

Drivers and Example Programs

To obtain the latest versions of drivers and example programs for this cpuModule, refer to the RTD website.

Interrupt Programming

For more information about interrupts and writing interrupt service routines, refer to the following book:

Interrupt-Driven PC System Design by Joseph McGivern

ISBN: 0929392507

Serial Port Programming

For more information about programming serial port UARTs, consult the following book:

Serial Communications Developer's Guide by Mark Nielson

ISBN: 0764545701

PC/104 and PC/104-PlusSpecifications

A copy of the latest PC/104 and PC/104-Plusspecifications can be found on the webpage for the PC/104 Embedded Consortium:

http://www.pc104.org

BDM-610000049 Rev G

Appendix D: Additional Information 107

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IBM BDM-610000049 user manual Appendix D Additional Information, Application Notes, Drivers and Example Programs

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 GBlock Diagram Figure 2 CMX158886 cpuModule Simplified Block DiagramChapter 1 Introduction 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 the Utility Cable Connecting a KeyboardConnecting to the PC/104-Plus PCI Bus 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 CN3+5VSTDBY +3.3Reserved Utility Port Connector CN5 Table 8 Utility Port Connector CN5Speaker Soft Power Button System ResetTable 9 Keyboard Connector Pins CN5 Table 10 Mouse Connector Pins CN5Battery 30 CMX158886 cpuModuleBDM-610000049 Rev G Table 11 SVGA Video Connector CN18 SVGA Video Connector CN18The following table lists the supported video resolutions Table 12 SVGA Video ResolutionsLVDS Flat Panel Video Connector CN19 Table 13 Flat Panel Video Connector CN19Table 14 Tested LVDS Panels Table 15 EIDE Connector CN101 EIDE Connector CN10Installing and Configuring the ATA/IDE Disk Chip ATA/IDE Disk Chip Socket U16Table 16 ATA/IDE Disk Chip Socket U161 Figure 5 CMX158886 before and after ATA/IDE Disk Chip Installation ATA/IDE Disk Chip Pin 1 indicated by arrowATA/IDE Disk Chip Socket U16 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 20 Half-Duplex RS-485 Mode RS-422 or RS-485 Serial PortTable 19 Full-Duplex Connections 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-232Table 25 COM A RS-422/485 and COM B RS-232 Table 26 COM A RS-422/485 and COM B RS-422/485BDM-610000049 Rev G 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 CN11Table 33 PC/104-Plus Bus Signal Assignments1 PC/104-Plus PCI Bus CN16Chapter 3 Connecting the cpuModule 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 KeysMain Menu Setup Fields Power On Self Test POST CodesTable 40 Main Menu Setup Fields 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 OptionsAT vs. ATX Power Supplies ATX Power Supply Signals74 CMX158886 cpuModule Reducing Power Consumption Table 54 LED Colors Multi-Color LEDTable 55 Multi-Color LED I/O Address 456h Table 56 Manual LED ColorsReset Status Register Table 57 Reset Status I/O Address 457h - Read AccessTable 58 Reset Status I/O Address 457h - Write Access Table 59 Reset Status Description and Priorities 78 CMX158886 cpuModuleBDM-610000049 Rev G DVMT Mode Select User EEPROM Table 60 User EEPROM I/O Address 456hTable 61 EEPROM Register Description Quick Boot Features and Settings That Can Affect Boot TimeAdd-On Cards With BIOS Extensions NVRAM UpdatesSystem Recovery Loading Default BIOS SettingsBooting to the Fail Safe Boot ROM FSBR 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 LocationsFigure 7 CMX158886 Jumper Locations top side Table 62 CMX158886 Jumperspins 2-3 +5 Table 63 Onboard PCI Devices Onboard PCI DevicesPhysical Dimensions Figure 8 CMX158886 Physical Dimensions ±0.005 inchesAppendix A Hardware Reference 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 REARTable 65 PS/2 Mouse - 6-Pin mini-DIN Connector female Table 66 Keyboard - 6-Pin mini-DIN Connector femaleExternal I/O Connections Table 67 COM1/COM2 RS-232 - 9-Pin D Connector male Table 68 COM1/COM2 RS-422/485 - 9-Pin D Connector male98 CMX158886 cpuModule Table 69 multiPort - 25-Pin D Connector female Appendix C IDAN Dimensions and PinoutBDM-610000049 Rev G 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 GTable 74 Audio - 9-Pin D Connector female Appendix C IDAN Dimensions and PinoutBDM-610000049 Rev G Figure 10 IDAN-CMX158886-BRG Connectors1 IDAN Dimensions and Connectors BRG version onlyFRONT REARTable 75 aDIO - 37-Pin D Connector female External I/O Connections BRG version onlyAppendix C IDAN Dimensions and Pinout 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