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CME37786HX

RTD Embedded Technologies, Inc.

HAPTER

5: U

SING

THE

CPU

ODULE

This chapter provides information 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 (POSTs)

• System Functions (Watchdog Timer, Real Time Clock)

• Storing Applications in Solid State Disk

• Utility Programs

Summary of Contents for cpuModule CME37786HX

Page 1: ...CME37786HX cpuModuleTM User s Manual RTD Enhanced Award BIOS Versions 6 00 xx BDM 610000033 Rev A...

Page 2: ......

Page 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...

Page 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...

Page 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...

Page 6: ...Sockets 93 Using BIOS Extension Devices 94 Using Conventional Solid State Devices 95 Chapter 6 Hardware Reference 99 Jumpers and Solder Jumper Settings 100 Mechanical Dimensions 103 Processor Thermal...

Page 7: ...Table Of Figures CME37786HX Block Diagram 5 CME37786HX Basic Connector Locations 10 CME37786HX Connector Locations 24 CME37786HX Jumper Locations Top 102 CME37786HX Jumper Locations Bottom 102...

Page 8: ......

Page 9: ...EIDE Connector CN9 38 Bus Mouse Connector CN4 40 USB Connector CN17 41 10 100 Base T and TX Connector CN20 42 Audio Connector CN11 43 PC 104 XT Bus Connector CN1 44 PC 104 AT Bus Connector CN2 45 PC...

Page 10: ......

Page 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...

Page 12: ...It integrates all primary I O functions of a AT compatible computer SVGA controller UltraDMA 33 66 100 EIDE Controller a keyboard interface parallel port two versatile RS232 422 485 serial ports a Rea...

Page 13: ...hus enabling the system to be used with traditional disk drives or non mechanical drives The cpuModule and BIOS are also compatible with most real time operating systems for PC com patible computers a...

Page 14: ...to USB devices Floppy Hard Drive CD ROM Flash Key ZIP Drive Advanced Digital I O aDIO Two 8 bit TTL compatible programmable Digital I O Ports plus two Strobe inputs One port is bit direction programma...

Page 15: ...out a battery Can boot from floppy disk hard disk Solid State Disk fail safe boot ROM or USB Connections AT bus per PC 104 specifications 64 pin CN1 40 pin CN2 PCI bus per PC 104 Plus specifications 1...

Page 16: ...grees C case with proper cooling See Processor Thermal Management on page 104 Storage temperature 55 to 125 degrees C Operating relative humidity 0 to 95 non condensing Power Consumption Exact power c...

Page 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...

Page 18: ...nnectors used in this chapter Figure 2 CME37786HX 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...

Page 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...

Page 20: ...following Utility Cable keyboard battery reset speaker 2 Serial Port Cables 10 Pin DIL to DB 9 Parallel Port Cable 26 pin DIL to DB 25 PS 2 Mouse Cable 4 pin DIL to 6 pin mini DIN VGA Cable 10 pin DIL...

Page 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...

Page 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...

Page 23: ...oards may use a smaller mini DIN connector you will need an adapter to plug these keyboards into the cpuModule These connectors are available for order instead of the default circular DIN connector Ma...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 31: ...CME37786HX RTD Embedded Technologies Inc 23 CHAPTER 3 CONNECTING THE CPUMODULE This chapter contains necessary information for any of the connectors on the cpuModule...

Page 32: ...Locations Table 4 CME37786HX Connectors NOTE Pin 1 of each connector is indicated by a square solder pad on the bottom of the PC board and a white box silkscreened on the top of the board Connector Fu...

Page 33: ...DE Connector 44 pin 2mm CN11 Audio connector 10 pin 2mm CN16 PC 104 Plus PCI Bus 120 pin 2mm CN17 2 USB ports 10 pin 0 1 inch CN18 Video 10 pin 0 1 inch CN20 10 100 Base T and TX 10 pin 0 1 inch JP3 S...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 45: ...out 5 DDCSDA Monitor communications data bidir 6 GREEN Green analog output out 7 DDC_5V 5V for Monitor Communica tions 2A fuse out 8 BLUE Blue analog output out 9 GND Ground out 10 GND Ground out 9 7...

Page 46: ...inch 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...

Page 47: ...CME37786HX RTD Embedded Technologies Inc 39 37 CS0 38 CS1 39 DASP 40 Ground 41 5V logic 42 5V motor 43 Ground 44 N C Table 18 EIDE Connector CN9 Continued...

Page 48: ...e following table gives the pinout of the Bus Mouse connector Facing the connector pins the pinout is Table 19 Bus Mouse Connector CN4 Pin Signal Function in out 1 5 V 5 Volts out 2 GND Ground out 3 M...

Page 49: ...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...

Page 50: ...OS Set up Facing the connector the pinout is depicted below Table 21 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...

Page 51: ...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 22 Audio Connector CN11 10 PIN DIL Pin Signal...

Page 52: ...portion of the PC 104 bus see Notes below AT Bus table Table 23 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...

Page 53: ...vels PC 104 Bus Signals The following table contains brief descriptions of the PC 104 bus signals Table 24 PC 104 AT Bus Connector CN2 Pin Row C Row D 0 0V 0V 1 SBHE MEMCS16 2 LA23 IOCS16 3 LA22 IRQ10...

Page 54: ...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...

Page 55: ...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...

Page 56: ...to GND for shielding Table 26 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...

Page 57: ...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...

Page 58: ...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...

Page 59: ...CHAPTER 4 CONFIGURING THE CPUMODULE BIOS SETUP This chapter contains information to configure the cpuModule Topics covered in this chapter include Entering Setup Disabling Fail Safe Boot ROM Configuri...

Page 60: ...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...

Page 61: ...le lists possible configurations for the SSD socket Table 27 SSD Devices SSD Support Type Part Operation Capacity Notes Atmel 5V Flash 29C010A read write 128KB 29C040A read write 512KB BIOS Extension...

Page 62: ...you should always read Field Selection You move between fields in Setup using the keys listed below Main Menu Setup Fields The following is a list of Main menu Setup fields Table 28 BIOS Setup Utility...

Page 63: ...Exit Setup Press Enter to select Save your changes and exit Setup Exit without Saving Press Enter to select Exit Setup without saving changes Table 30 Standard CMOS Setup Fields Field Active keys Sel...

Page 64: ...kette All But Disk Key Table 31 Advanced BIOS Features Setup Fields Field Active keys Selections Virus warning PgUp PgDn Enable or disable virus warning Enable Warn if boot sector or partition table i...

Page 65: ...ted before the twist in the floppy wire will be Drive A Disable Normal Floppy connected after the twist in the floppy wire will be Drive A and floppy connected after the twist in the floppy wire will...

Page 66: ...Once security is disabled you can boot and enter setup freely PS 2 Mouse Con troller PgUp PgDn Enabled allows the operating system to deter mine whether to enable or disable the mouse Disabled prevent...

Page 67: ...Dn Enable Disable Video RAM Cacheable PgUp PgDn Enable Disable Frame Buffer Size PgUp PgDn Select the size of the video frame buffer shared memory See Supported Video Resolutions and BIOS Settings on...

Page 68: ...st the timing for each ISA DMA channel CPU to PCI Write Buffer PgUp PgDn Enable Disable PCI Dynamic Bursting PgUp PgDn Enable Disable PCI Master 0 WS Write PgUp PgDn Enable Disable PCI Delayed Transac...

Page 69: ...the prima ry PCI Slot AGP on board OnBoard Ether net PgUp PgDn Enable Disable Onboard Serial Port 1 PgUp PgDn Serial port 1 connector CN7 settings Disable Serial port not used Auto BIOS OS controls op...

Page 70: ...e parallel port SPP Standard parallel port EPP Extended parallel port ECP Extended Capabilities port EPP ECP both EPP and ECP mode ECP mode use DMA If multiPort set to ECP Parallel PgUp PgDn Select DM...

Page 71: ...ASH 128k FLASH 256k FLASH 512k EPROM 128k EPROM 256k EPROM 512k EPROM 1M BiosExt i e DiskOnChip BIOS Ext Win dow size PgUp PgDn Select the size of the BIOS extension window for the SSD socket 8k 16k 3...

Page 72: ...d Blaster sound card Enable Disable SB I O Base Ad dress PgUp PgDn Selects the base address used for Sound Blaster em ulation 220H 240H 260H 280H SB IRQ Select PgUp PgDn Selects the IRQ used for Sound...

Page 73: ...ode Power Manage ment PgUp PgDn Select inactivity time delay before entering doze mode APM function Disable Doze mode off 1 Minute 2 Minutes 4 Minutes 6 Minutes 8 Minutes 10 Minutes 20 Minutes 30 Minu...

Page 74: ...activity On Off LPT COM Wake Up Events PgUp PgDn Wake on port activity None LPT COM LPT COM HDD FDD Wake Up Events PgUp PgDn Wake on drive activity On Off PCI Master Wake Up Events PgUp PgDn Wake on P...

Page 75: ...will make the CPU search for legacy devices and store the updated info This field will automatically return to disable after the next boot Resources con trolled by PgUp PgDn How PNP resources are con...

Page 76: ...CME37786HX RTD Embedded Technologies Inc 68...

Page 77: ...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...

Page 78: ...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...

Page 79: ...nctions will occur The exception to this is if the resource has been released by the user Table 37 I O Addresses Reserved for the cpuModule Address Range Bytes Device 000H 00FH 16 DMA Controller 010H...

Page 80: ...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...

Page 81: ...on See PNP PCI Configuration Setup Fields on page 67 for details 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...

Page 82: ...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...

Page 83: ...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...

Page 84: ...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...

Page 85: ...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...

Page 86: ...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...

Page 87: ...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...

Page 88: ...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...

Page 89: ...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...

Page 90: ...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...

Page 91: ...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...

Page 92: ...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...

Page 93: ...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...

Page 94: ...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...

Page 95: ...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...

Page 96: ...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...

Page 97: ...and the value written Table 39 LED Colors Color Description Green Normal Operation Blue On Board IDE Activity Red cpuModule is in reset or approaching thermal limit Yellow Red Green cpuModule is in S...

Page 98: ...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...

Page 99: ...edded Technologies Inc 91 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...

Page 100: ...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...

Page 101: ...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...

Page 102: ...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...

Page 103: ...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...

Page 104: ...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...

Page 105: ...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...

Page 106: ...CME37786HX RTD Embedded Technologies Inc 98...

Page 107: ...ologies Inc 99 CHAPTER 6 HARDWARE REFERENCE This appendix gives information on the cpuModule hardware including jumper settings and locations solder jumper settings and locations mechanical dimensions...

Page 108: ...pers 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 jumper...

Page 109: ...CME37786HX RTD Embedded Technologies Inc 101...

Page 110: ...ng factory BIOS settings default Open JP6 2 pin jumper Factory use only do not close default Open Table 43 Solder Jumpers and Default Settings B1 Three position solder jumper to select 3 3 or 5 volt s...

Page 111: ...CME37786HX RTD Embedded Technologies Inc 103 Mechanical Dimensions The following figure shows mechanical dimensions of the module Dimensions are in inches mm...

Page 112: ...rocessor IC of the cpuModule must receive adequate cooling to ensure proper operation and good reliability The case temperature of the processor must not exceed 85 C NOTE This cpuModule is not warrant...

Page 113: ...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...

Page 114: ...memory installed in socket backwards does not recognize Setup changes jumper JP5 installed turn off power remove JP5 reboot will not boot from particu lar drive or device device not bootable use sys c...

Page 115: ...e 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...

Page 116: ...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...

Page 117: ...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...

Page 118: ...mble 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 i...

Page 119: ...as possible 5 List the name of a contact person familiar with technical details of the problem or situation along with their phone and fax numbers address and e mail address if available 6 List your s...

Page 120: ...CME37786HX RTD Embedded Technologies Inc 112...

Page 121: ...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 IMPL...

Page 122: ...CME37786HX RTD Embedded Technologies Inc 114...

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