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CMX47786HX

RTD Embedded Technologies, Inc.

97

Troubleshooting a PC/104 System

If you have reviewed the preceding table and still cannot isolate the problem with your 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 contact technical support.

Simplify the system

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

problem.

Swap components.

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

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Содержание cpuModule CMX47786HX

Страница 1: ...CMX47786HX cpuModuleTM User s Manual RTD Enhanced Award BIOS Versions 6 00 xx BDM 610000038 Rev A...

Страница 2: ......

Страница 3: ...cpuModuleTM User s Manual RTD Embedded Technologies Inc 103 Innovation Blvd State College PA 16803 0906 Phone 1 814 234 8087 FAX 1 814 234 5218 E mail sales rtd com techsupport rtd com web site http w...

Страница 4: ...is a registered trademark of RTD Embedded Technologies cpuModule and utilityModule are trademarks of RTD Embedded Technologies PS 2 PC XT PC AT and IBM are trademarks of Interna tional Business Machin...

Страница 5: ...xiliary Power CN3 26 Serial Ports CN7 and CN8 28 multiPort CN6 Parallel Port Mode 31 multiPort CN6 aDIO Mode 32 multiPort CN6 Floppy Controller Mode 33 Multifunction Connector CN5 35 VGA Video Connect...

Страница 6: ...ons On board 81 Ways to Use the Solid State Disk Sockets 82 Using BIOS Extension Devices 83 Using Conventional Solid State Devices 84 Chapter 6 Hardware Reference 87 Jumpers and Solder Jumper Settings...

Страница 7: ...Table Of Figures CMX47786HX Block Diagram 5 CMX47786HX Basic Connector Locations 10 CMX47786HX Connector Locations 24 CMX47786HX Jumper Locations Top 89 CMX47786HX Jumper Locations Bottom 89...

Страница 8: ......

Страница 9: ...Keyboard Connector Pins on CN5 36 VGA Video Connector CN18 37 Supported Video Resolutions and BIOS Settings 37 LVDS Flat Panel Video Connector CN19 38 EIDE Connector CN9 39 Bus Mouse Connector CN4 41...

Страница 10: ......

Страница 11: ...nnecting the cpuModule Provides information on connecting the cpuModule to peripherals Chapter 4 Configuring the cpuModule Provides information on configuring hardware and software Chapter 5 Using the...

Страница 12: ...ry I O functions of a AT compatible computer SVGA controller Analog SVGA output 18 bit Digital LVDS Output UltraDMA 33 66 100 EIDE Controller a keyboard interface parallel port two versatile RS232 422...

Страница 13: ...S Linux and Windows operating systems Drivers in the BIOS allow booting from floppy disk hard disk Solid State Disk boot block flash or DiskOnChip thus enabling the system to be used with traditional...

Страница 14: ...le Advanced Programmable Interrupt Controller APIC USB ports 2 USB 1 1 ports Boot to USB devices Floppy Hard Drive CD ROM Flash Key ZIP Drive Advanced Digital I O aDIO Two 8 bit TTL compatible program...

Страница 15: ...rd BIOS Directly supports Solid State Disk SSD and M Systems DiskOnChip User configurable using built in Setup program Nonvolatile configuration without a battery Can boot from floppy disk hard disk S...

Страница 16: ...ace mount and through hole Operating environment Power supply 5V 5 20 Watts Operating temperature 40 to 80 degrees C case with proper cooling See Processor Thermal Management on page 105 Storage tempe...

Страница 17: ...ou are one of these users you can get your system up and running quickly by following a few simple steps described in this chapter Briefly these steps are Connect power Connect the utility cable Conne...

Страница 18: ...nnectors used in this chapter Figure 2 CMX47786HX Basic Connector Locations For a complete listing of connectors please refer to Connector Locations on page 24 NOTE Pin 1 of each connector is indicate...

Страница 19: ...rface mount flash chip The programmed boot ROM is ROM DOS Fail Safe Boot ROM allows the system to boot without any attached storage devices i e floppy IDE SSD Installing jumper JP5 will force the cpuM...

Страница 20: ...kit for the cpuModule The XK CM43 cable kit contains the following Utility Board Cable keyboard mouse battery reset speaker SVGA COM ports Multi Function Port IDE Cable for 3 5 Hard Drive IDE Cable f...

Страница 21: ...supply you do not need to make additional connections to supply power If you are using the cpuModule without a PC 104 stack or with a stack that does not include a power supply refer to Auxiliary Powe...

Страница 22: ...to the Multifunction connector making sure the orienta tion of pin 1 is correct If you are using the Multifunction cable from our cable kit the cable provides a small speaker a 5 pin PS 2 connector fo...

Страница 23: ...cable kit uses a mini DIN or PS 2 style keyboard connector NOTE Some older keyboards use a larger DIN connector you will need an adapter to plug these keyboards into the cpuMod ule Older keyboards can...

Страница 24: ...y buildup of static electricity Remove the cpuModule from its anti static bag Check that keying pins in the bus connector are properly positioned Check the stacking order make sure an XT bus card will...

Страница 25: ...lot Selection Switches Unlike PC 104 cards PC 104 Plus expansion cards have a slot selection switch or jumpers In total there are 4 PCI cards that can be stacked onto the cpuModule with switch positio...

Страница 26: ...powered directly from these pins 3 3 Volt DC The default source for the 3 3 volt power pins on the PC 104 Plus PCI bus is the power connector CN3 or a PC 104 Plus power supply The 3 3V can also be sup...

Страница 27: ...mation a message requesting you press Del to enter the Setup program If you don t press Del the cpuModule will try to boot from the current settings If you press Del the cpuModule will enter Setup Onc...

Страница 28: ...l Safe Boot ROM acts as an example of what can be programmed into the flash chip Last Fail Safe Boot ROM allows files to be transferred on or off the storage devices in the system by use of REMSERV an...

Страница 29: ...dure is Start Re booting the cpuModule While the system is re booting repeatedly press the Del key until the cpuModule enters Setup Change the parameters to correctly match your system If the above fa...

Страница 30: ...p and running quickly If you need more de tails please refer to the following chapters for more information on configuring and using the cpu Module Phone 814 234 8087 Fax 814 234 5218 RTD Embedded Tec...

Страница 31: ...CMX47786HX RTD Embedded Technologies Inc 23 CHAPTER 3 CONNECTING THE CPUMODULE This chapter contains necessary information for any of the connectors on the cpuModule...

Страница 32: ...figure and table below show all connectors and the SSD sockets of the cpuModule Figure 3 CMX47786HX Connector Locations NOTE Pin 1 of each connector is indicated by a square solder pad on the bottom o...

Страница 33: ...on 10 pin 2mm CN6 multiPort 26 pin 2mm CN7 Serial port 1 10 pin 2mm CN8 Serial port 2 10 pin 2mm CN9 EIDE Connector 44 pin 2mm CN11 Audio connector 10 pin 2mm CN16 PC 104 Plus PCI Bus 120 pin 2mm CN17...

Страница 34: ...twice the power your system requires Facing the connector pins the pinout of the Auxiliary Power connector is WARNING If you improperly connect power the module will almost certainly be destroyed Ple...

Страница 35: ...nd 8 on the power connector to ensure a good power supply We rec ommend that no less than 18 gauge wire be used and the length of this wire should not exceed 3 ft Always measure the voltage drop from...

Страница 36: ...at ible mode and includes a 16 byte FIFO Please refer to any standard PC AT hardware reference for the register map of the UART RS232 Serial Port Default The full duplex RS232 mode is the default sett...

Страница 37: ...typically in RS 422 mode connect the ports as shown in the table below When using half duplex in RS 485 connect the ports as shown in the table below 9 7 5 3 1 GND DTR TXD RXD DCD GND RI CTS RTS DSR 1...

Страница 38: ...5 9 7 5 3 1 GND Rsvd TXD RXD Rsvd GND Rsvd RXD TXD Rsvd 10 8 6 4 2 NOTE when using RS485 Mode When using the serial port in RS485 mode the serial transmitters are enabled and disabled under software...

Страница 39: ...h of the cable connect ing the cpuModule and parallel device less than 3 meters 10 feet Table 11 multiPort Parallel Port Connector Pinout CN6 Pin Signal Function in out DB25 1 STB Strobe Data out 1 2...

Страница 40: ...the PC 104 bus Table 12 multiPort Advanced Digital I O Connector Pinout CN6 CN6 Pin Function DB25 1 strobe 0 1 2 P0 4 14 3 P1 0 2 4 P0 5 15 5 P1 1 3 6 P0 6 16 7 P1 2 4 8 P0 7 17 9 P1 3 5 10 strobe 1 1...

Страница 41: ...ps must be taken Drive A must be set to 1 44 MB in the Standard CMOS Settings section of BIOS Setup Onboard MultiPort set to Floppy in the Integrated Peripherals section of BIOS Setup Swap Floppy Driv...

Страница 42: ...7786HX RTD Embedded Technologies Inc 34 These signals must be pulled to 5V with separate 470 Ohm resistors 24 GND 25 odd pins 25 WGATE 13 24 26 5V Table 13 multiPort Connector Floppy Pinout CN6 Contin...

Страница 43: ...edance and be connected between pins 1 and 2 Keyboard An AT compatible keyboard can be connected to the Multifunction connector Usually PC key boards come with a cable ending with a 5 pin male PS 2 co...

Страница 44: ...switch The push button should be normally open and connect to ground when pushed Battery Pin 9 of the multifunction connector is the connection for an external backup battery in the range 2 40 V to 4...

Страница 45: ...t 1 5 DDCSDA Monitor communications data bidir 12 6 GREEN Green analog output out 2 7 DDC_5V 5V for Monitor Communica tions 2A fuse out nc 8 BLUE Blue analog output out 3 9 GND Ground out 5 7 10 GND G...

Страница 46: ...e 18 LVDS Flat Panel Video Connector CN19 Pin Signal Function in out 1 Y0P LVDS Data 0 out 2 Y0M LVDS Data 0 out 3 GND Ground GND 4 GND Ground GND 5 Y1P LVDS Data 1 out 6 Y1M LVDS Data 1 out 7 GND Gro...

Страница 47: ...ch spacing connector so an adapter cable or adapter board is needed In order to use faster than UDMA Mode 2 Ultra ATA 33 an 80 conductor cable is required The BIOS automatically detects the presence o...

Страница 48: ...CMX47786HX RTD Embedded Technologies Inc 40 37 CS0 38 CS1 39 DASP 40 Ground 41 5V logic 42 5V motor 43 Ground 44 N C Table 19 EIDE Connector CN9 Continued...

Страница 49: ...e following table gives the pinout of the Bus Mouse connector Facing the connector pins the pinout is Table 20 Bus Mouse Connector CN4 Pin Signal Function in out 1 5 V 5 Volts out 2 GND Ground out 3 M...

Страница 50: ...gnal Function in out 1 1 VCC1 Supply 5V to USB1 out 6 2 VCC2 Supply 5V to USB2 out 2 3 DATA1 Bi directional data line for USB1 in out 7 4 DATA2 Bi directional data line for USB2 in out 3 5 DATA1 Bi di...

Страница 51: ...OS Set up Facing the connector the pinout is depicted below Table 22 10 100 Base T and TX Connector CN20 RJ45 Pin 10 PIN DIL Pin Signal Function in out 3 1 RX Receive In 6 2 RX Receive In 1 5 TX Trans...

Страница 52: ...l ground at the signal source The will eliminate any common mode noise between the source and the cpuModule Facing the connector pins the pinout is Table 23 Audio Connector CN11 10 PIN DIL Pin Signal...

Страница 53: ...portion of the PC 104 bus see Notes below AT Bus table Table 24 PC 104 XT Bus Connector CN1 Pin Row A Row B 1 N C 0V 2 SD7 RESETDRV 3 SD6 5V 4 SD5 IRQ2 5 SD4 5V 6 SD3 DRQ2 7 SD2 12V 8 SD1 N C 9 SD0 12...

Страница 54: ...vels PC 104 Bus Signals The following table contains brief descriptions of the PC 104 bus signals Table 25 PC 104 AT Bus Connector CN2 Pin Row C Row D 0 0V 0V 1 SBHE MEMCS16 2 LA23 IOCS16 3 LA22 IRQ10...

Страница 55: ...other lines have decreasing priority starting from IRQ14 down to IRQ2 An interrupt request is performed by changing the level of the corresponding line from low to high and keeping it high until the...

Страница 56: ...it while SA19 is the most significant bit SBHE O This active low signal indicates a transfer of the most significant data byte SD15 SD8 SD8 15 I O Data bits these are the high byte data bus lines SD8...

Страница 57: ...to GND for shielding Table 27 PC 104 Plus Bus Signal Assignments Pin A B C D 1 GND 5 0V KEY1 Reserved 5V AD00 2 VI O AD02 AD01 5V 3 AD05 GND AD04 AD03 4 C BE0 AD07 GND AD06 5 GND AD09 AD08 GND 6 AD11...

Страница 58: ...lected devices ability to complete the current data cycle of the transaction Both IRDY and TRDY must be asserted to terminate a data cycle IRDY Initiator Ready indicates the master s ability to comple...

Страница 59: ...is used to request Interrupts only for multi function devices Power Supplies and VIO 5V 5 volt supply connected to PC 104 bus and power connector 5V supplies 12V 12 volt supply connected to PC 104 bus...

Страница 60: ...CMX47786HX RTD Embedded Technologies Inc 52...

Страница 61: ...Inc 53 CHAPTER 4 CONFIGURING THE CPUMODULE BIOS SETUP This chapter contains information to configure the cpuModule Topics covered in this chapter include Disabling Fail Safe Boot ROM Adding SSD Memory...

Страница 62: ...alled Reset the system by either shutting it off and turning it on or by using the reset button While the system is booting repeatedly press the DEL key to enter the BIOS setup Choose INTEGRATED PERIP...

Страница 63: ...le lists possible configurations for the SSD socket Table 28 SSD Devices SSD Support Type Part Operation Capacity Notes Atmel 5V Flash 29C010A read write 128KB 29C040A read write 512KB BIOS Extension...

Страница 64: ...shed with Setup save your changes and exit The system will automatically reboot Using the Setup Program All displays in Setup consist of two areas The left area lists the available selections The righ...

Страница 65: ...for users who wish to develop their own applications programs for the cpuModule This chapter includes information on the following topics Memory map I O Address map Interrupts Power On Self Tests POST...

Страница 66: ...to decompress the BIOS This should not be used for hardware devices however it is free for use after the system has booted D0000 FFFFh Available This area is always available for hardware devices CC0...

Страница 67: ...nctions will occur The exception to this is if the resource has been released by the user Table 31 I O Addresses Reserved for the cpuModule Address Range Bytes Device 000H 00FH 16 DMA Controller 010H...

Страница 68: ...which one is active or to disable it entirely 3 Only one of the I O addresses shown for the Parallel printer port is active at any time You can use Setup to select which one is active or to disable it...

Страница 69: ...ility under PnP PCI configuration If you add any PC 104 modules or other peripherals to the system you must ensure they do not use interrupts needed by the cpuModule or malfunctions will occur Table 3...

Страница 70: ...errupt The PC 104 specification also provides a means for ISA devices to share an interrupt However interrupt sharing on the ISA bus is not supported by all devices c IRQ14 is available for use if no...

Страница 71: ...s active from the time power is applied until an OS boots begins execution POST software performs a series of hardware tests sets up the machine as defined in Setup and begins the boot of the OS The s...

Страница 72: ...g is enabled in the BIOS Setup utility There are three levels 25 50 and 75 which are the percent of full speed that the CPU will operate at when throttled For example with throttling set to 75 a 400 M...

Страница 73: ...ardware Control Some of the cpuModule hardware is controlled directly without using BIOS routines These include Advanced Digital I O aDIO Watchdog Timer Real Time Clock Control Parallel Port Control T...

Страница 74: ...ined If the digital I O lines must power up to a known state an external 10 K Ohm resistor must be added to pull the line high or low Additionally when the CPU boots up interrupts 5 7 10 11 and 12 are...

Страница 75: ...the digital I O lines is determined by the value in aDIO WDT_Setup aDIO_Base These 8 bit registers are written to zero upon power up The register map for the runtime region is shown below aDIO_IRQ 2 0...

Страница 76: ...rection programmable register A read on this register when it is programmed to input will read the value at the DIO connector A write on this register when it is programmed as output will write the va...

Страница 77: ...es the corresponding pin in the DIO connector an output Mask Register Writing a zero to a bit in this register will not mask off the corresponding bit in the DIO Compare register Writing a one to a bi...

Страница 78: ...glitching circuit inside the DIO circuitry The deglitching requires pulses on Port 0 to be at least 120 nanoseconds in width As long as changes are present longer than that the event is guaranteed to...

Страница 79: ...il the Clear Register is read from Additionally the Compare Register latched in the value at Port 0 when the Strobe pin made a low to high transition No further strobes will be available until a read...

Страница 80: ...ion resumes from the point where it was inter rupted How long does it take to respond to an interrupt A DOS operating system can respond to an interrupt between 6 15uS A Windows system can take a much...

Страница 81: ...SR with one important exception most compilers do not auto matically add the end of interrupt command to the procedure you must do this yourself Other than this and the few exceptions discussed below...

Страница 82: ...e Refer to the DOS drivers that were shipped with this board or download them from our web site www rtd com The drivers are commented to help clarify their meaning Reading through the DOS drivers will...

Страница 83: ...to system latency it is recommended that the Watchdog be refreshed at about half of the reset time out period or half of the interrupt time out period whichever is applicable Register Description The...

Страница 84: ...timer WDT_Active Set this bit to 1 to activate the Watchdog Timer interrupts and resets Set to 0 to disable When disabled the watchdog timer does not need to be refreshed WDT_IRQ_Ena Set this bit to...

Страница 85: ...atchdog Interrupt time based on the following table WDT_RST_TimeSelects the Watchdog Reset time based on the following table WDT_IRQ_Time 2 0 Interrupt Time seconds 00 1 00 01 0 75 10 0 50 11 0 25 WDT...

Страница 86: ...olor Description Green Normal Operation Blue On Board IDE Activity Red cpuModule is in reset or approaching thermal limit Yellow Red Green cpuModule is in Standby White R G B cpuModule is approaching...

Страница 87: ...hoices for the index Data is then written to or read from the selected register by writing or reading respectively the data register at address 71h Registers of the Real Time Clock are shown below RTC...

Страница 88: ...edded Technologies Inc 80 Parallel Port Control The parallel port may be operated in SPP output only EPP bi directional and ECP extended ca pabilities modes The mode may be selected in Setup or by app...

Страница 89: ...rable It is better to eliminate mag netic storage devices and place your operating system and application software into the cpuModule s Solid State Disk SSD The following section describes two distinc...

Страница 90: ...allowing you to copy delete and rename files without using any special utilities Conventional Solid State Disk can use a variety of memory devices such as Atmel 5 volt only Flash Intel 12 volt Flash A...

Страница 91: ...er to the cpuModule and run Setup Set a BIOS Extension Window on the advanced setup page Save your changes and exit Setup Turn off the cpuModule Install the BIOS Extension Device into the socket Reboo...

Страница 92: ...Flash 29F010 29F040 SRAM 128Kx8 512Kx8 NOVRAM Dallas Semiconductor DS1645Y DS1650Y EPROM 27C010 27C020 27C040 27C080 Installing a Conventional SSD using Atmel 5 volt only Flash To install an SSD using...

Страница 93: ...ake the SSD bootable you must format it using the s switch of the format command Refer to your DOS manual for more information on the format command If you wish to boot from the SSD make it diskette A...

Страница 94: ...ate Disk will be seen by the system as a write protected floppy DOS com mands normally used to read floppy disks will work with the SSD Directly Accessing the Solid State Disk If you wish to directly...

Страница 95: ...ologies Inc 87 CHAPTER 6 HARDWARE REFERENCE This appendix gives information on the cpuModule hardware including jumper settings and locations solder jumper settings and locations mechanical dimensions...

Страница 96: ...ers are two pin allowing two settings pins 1 and 2 connected indicated as closed pins 1 and 2 un connected indicated as open Solder jumpers are set at the factory and are rarely changed Solder jumpers...

Страница 97: ...CMX47786HX RTD Embedded Technologies Inc 89 Figure 4 CMX47786HX Jumper Locations Top Figure 5 CMX47786HX Jumper Locations Bottom...

Страница 98: ...the Flat Panel Backlight 1 to 2 is 12V 2 to 3 is 5V JP10 3 pin jumper Used to select power for the Flat Panel Electronics 1 to 2 is 3 3V 2 to 3 is 5V Table 37 Solder Jumpers and Default Settings B1 T...

Страница 99: ...CMX47786HX RTD Embedded Technologies Inc 91 Mechanical Dimensions The following figure shows mechanical dimensions of the module Dimensions are in inches mm...

Страница 100: ...ocessor IC of the cpuModule must receive adequate cooling to ensure proper operation and good reliability The case temperature of the processor must not exceed 100 C NOTE This cpuModule is not warrant...

Страница 101: ...roblems you may encounter with operation of your cpuModule are due to common errors This chapter will help you get your system op erating properly It contains Common problems and solutions Troubleshoo...

Страница 102: ...backwards verify all cables are connected correctly SSD installed backwards check for an SSD memory installed in socket backwards does not recognize Setup changes jumper JP5 installed turn off power...

Страница 103: ...the same memory addresses check for hardware and software devices trying to use the same memory address check for an address range shadowed see Advanced Setup screen while in use by another hardware...

Страница 104: ...program COM port will not transmit in RS422 or RS485 mode not enabling transmitters control RTS bit of Modem Control Reg ister to enable transmitters see Serial Port descriptions date and time not sav...

Страница 105: ...Module 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 contact technical support Simplify the system...

Страница 106: ...ble the following information cpuModule model BIOS version and serial number list of all boards in system list of settings from cpuModule Setup program printout of autoexec bat and config sys files if...

Страница 107: ...RESULT OF SERVICE OR MODIFICATION BY ANYONE OTHER THAN RTD Embedded Technologies EXCEPT AS EXPRESSLY SET FORTH ABOVE NO OTHER WARRANTIES ARE EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLI...

Страница 108: ...CMX47786HX RTD Embedded Technologies Inc 100...

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