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IBM BDM-610000049 COM A RS-422/485 and COM B RS-232, COM A RS-422/485 and COM B RS-422/485

Models: BDM-610000049

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Table 25 COM A (RS-422/485) and COM B (RS-232)

Pin	Signal	Function	In/Out	DB-9

1	DCD1	COM A - Data Carrier Detect	in	1

2	RXD2	COM B - Receive Data	in	6

3	RXD1-	COM A - Receive Data (–)	in	2

4	TXD1+	COM A - Transmit Data (+)	out	7

5	TXD1-	COM A - Transmit Data (–)	out	3

6	RXD1+	COM A - Receive Data (+)	in	8

7	TXD2	COM B - Transmit Data	out	4

8	RI1	COM A - Ring Indicate	in	9

9,10	GND	Signal Ground	—	5

Table 26 COM A (RS-422/485) and COM B (RS-422/485)

Pin	Signal	Function	In/Out	DB-9

1	RXD2+	COM B - Receive Data (+)	in	1

2	RXD2-	COM B - Receive Data (–)	in	6

3	RXD1-	COM A - Receive Data (–)	in	2

4	TXD1+	COM A - Transmit Data (+)	out	7

5	TXD1-	COM A - Transmit Data (–)	out	3

6	RXD1+	COM A - Receive Data (+)	in	8

7	TXD2-	COM B - Transmit Data (–)	out	4

8	TXD2+	COM B - Transmit Data (+)	out	9

9,10	GND	Signal Ground	—	5

BDM-610000049 Rev G

Chapter 3: Connecting the cpuModule 41

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Image 51

IBM user manual COM A RS-422/485 and COM B RS-232, COM A RS-422/485 and COM B RS-422/485, BDM-610000049 Rev G

Contents

User’s Manual “Accessing the Analog World”CMX158886 cpuModules BDM-610000049 Revision GCMX158886 cpuModules User’s Manual Revision HistoryCMX158886 cpuModules “Accessing the Analog World”BDM-610000049 Rev G iv CMX158886 cpuModuleGetting Started Connecting the cpuModuleChapter IntroductionBDM-610000049 Rev G Using the cpuModuleChapter Bridge Link CN4multiPort Parallel Port Control IDE Controller ConfigurationWatchdog Timer Control Advanced Configuration and Power Interface ACPIHardware Reference TroubleshootingAppendix C IDAN Dimensions and Pinout Appendix APC/104 and PC/104-Plus Specifications Appendix E Limited WarrantyBDM-610000049 Rev G x CMX158886 cpuModuleTroubleshooting ChapterConnecting the cpuModule Using the cpuModuleFigure 1 CMX158886 cpuModule top view CMX158886 cpuModulesaDIO with Wake-on-aDIO Error-Correction Codes Selected Models OnlyEnhanced Intel SpeedStep PX only Thermal MonitorBDM-610000049 Rev G 4 CMX158886 cpuModuleChapter 1 Introduction Ordering InformationCMX158886 Model Options Table 1 CMX158886 cpuModule Model OptionsCable Kits and Accessories Board Features Page BIOS BDM-610000049 Rev G USB Device Network Fail Safe Boot ROMSurface-mount Flash chip that holds ROM-DOS Quick Boot mode 10 CMX158886 cpuModuleBlock Diagram Figure 2 CMX158886 cpuModule Simplified Block DiagramChapter 1 Introduction Electrical Characteristics SpecificationsPhysical Characteristics Power ConsumptionIDE & ATA/IDE Disk Chip Socket1 Table 4 Electrical CharacteristicsChapter 1 Introduction Bridge Link CN414 CMX158886 cpuModule Table 4 Electrical CharacteristicsUtility Port Connector CN5 External Power Management CN12 - PME#Chapter 1 Introduction Contact InformationRTD Embedded Technologies, Inc 103 Innovation Blvd State College, PA USA Phone +1-814-234-8087 Fax +1-814-234-5218BDM-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 +5 Volt DC Slot Selection SwitchesPCI Bus Expansion Card Power PCI Bus Signaling LevelsBooting the CMX158886 cpuModule for the First Time Chapter 3 Connecting the cpuModule Chapter 3 Connecting the cpuModule24 CMX158886 cpuModule Figure 4 CMX158886 Connector LocationsProper Grounding Techniques Connector LocationsBDM-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 Table 10 Mouse Connector Pins CN5 System ResetSoft Power Button Table 9 Keyboard 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 Serial Port 1 CN7 and Serial Port 2 CN8 RS-232 Serial Port DefaultTable 17 Serial Port Settings Table 18 Serial Port in RS-232 ModeTable 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 24 COM A RS-232 and COM BRS-232 Dual Serial Port ModesTable 22 Dual Serial Port Connections Table 23 Dual Serial Port ModesTable 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 Table 27 multiPort aDIO Pinout multiPort Configured as an Advanced Digital I/O aDIO PortmultiPort CN6 multiPort Electrostatic Discharge ESD and Undershoot ProtectionTable 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 CN17VCC1 BDM-610000049 Rev GDATA1+ DATA1Table 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 Address and Data PC/104-Plus PCI Bus SignalsInterface Control Pins Error ReportingATX Power Management Signals optional Power Supplies and VIOTable 34 Bridge Link CN4 Bridge Link CN4Table 35 External Power Management CN12 External Power Management CN12Optional RTC Battery Input CN13 Fan Power, +5 V CN14Table 38 Fan Power, Switched CN15 Fan Power, Switched CN15This chapter includes information on the following topics Chapter 4 Using the cpuModuleTable 39 Setup Keys The RTD Enhanced AMI BIOSConfiguring the RTD Enhanced AMI BIOS Entering the BIOS SetupMain 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 InterruptsTable 45 Port 1 Data I/O Address 451h multiPort Advanced Digital I/O Ports aDIODigital I/O Register Set Table 44 Port 0 Data I/O Address 450hClear Register Table 47 DIO-Control I/O Address 453h-Read AccessTable 48 DIO-Control I/O Address 453h-Write Access Table 49 Multi-Function at Address 452h1Advanced Digital Interrupts Event ModeMatch Mode InterruptsTable 51 Interrupt and Wake Event Generation Strobe ModeFigure 6 aDIO Match Mode Wake-on-aDIOEthernet 10/100Base-T and -TX multiPort Parallel Port ControlmultiPort Floppy Drive AC’97 AudioCable Detection IDE Controller ConfigurationDevice and Host Mode Cable ModesNative Mode Legacy Mode and Native Mode IDEConfiguring the ATA/IDE Disk Chip Socket Legacy ModeTable 52 Real Time Clock Registers Accessing the RTC RegistersReal Time Clock Control OverviewBit 3-0 Reserved Table 52 Real Time Clock RegistersTable 53 Watchdog Timer Control I/O Address 455h Watchdog Timer ControlThermal Monitor Fan ModeFurther Temperature Reduction Thermal ManagementLow-Power Wake Options Power ManagementAdvanced Configuration and Power Interface ACPI Power Button ModesAT vs. ATX Power Supplies ATX Power Supply Signals74 CMX158886 cpuModule Reducing Power Consumption Table 56 Manual LED Colors Multi-Color LEDTable 54 LED Colors Table 55 Multi-Color LED I/O Address 456hReset 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 NVRAM Updates Features and Settings That Can Affect Boot TimeQuick Boot Add-On Cards With BIOS ExtensionsSystem Recovery Loading Default BIOS SettingsBooting to the Fail Safe Boot ROM FSBR Interrupt Request Lines What happens when an interrupt occurs?Basic Interrupt Information for Programmers How long does it take to respond to an interrupt?Sample Code Writing an Interrupt Service Routine ISRIntel 8259 Programmable Interrupt Controller PCI InterruptsAppendix 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 PinoutREAR IDAN Dimensions and ConnectorsFigure 9 IDAN-CMX158886 Connectors1 FRONTTable 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 femaleBDM-610000049 Rev G Table 72 USB - 9-Pin D Connector maleTable 73 Ethernet - 9-Pin D Connector female 102 CMX158886 cpuModuleTable 74 Audio - 9-Pin D Connector female Appendix C IDAN Dimensions and PinoutBDM-610000049 Rev G REAR IDAN Dimensions and Connectors BRG version onlyFigure 10 IDAN-CMX158886-BRG Connectors1 FRONTTable 75 aDIO - 37-Pin D Connector female External I/O Connections BRG version onlyAppendix C IDAN Dimensions and Pinout +5 Volts Fused @ 2A 106 CMX158886 cpuModuleBDM-610000049 Rev G P2-StrobeDrivers and Example Programs PC/104 and PC/104-Plus SpecificationsAppendix D Additional Information Application NotesBDM-610000049 Rev G 108 CMX158886 cpuModuleAppendix E Limited Warranty BDM-610000049 Rev G 110 CMX158886 cpuModule