Motorola MVME6100 manual Figure B-4. Measuring Local Air Temperature

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Appendix B Thermal Validation

Measuring Local Air Temperature

Measure local component ambient temperature by placing the thermocouple downstream of the component. This method is conservative since it includes heating of the air by the component. The following figure illustrates one method of mounting the thermocouple.

Figure B-4. Measuring Local Air Temperature

Tape thermocouple wire to

top of component

Thermocouple

junction

Air flow

PWB

MVME6100 Installation and Use (V6100A/IH2)

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Contents Installation and Use V6100A/IH2Trademarks Safety Summary Flammability Limited and Restricted Rights Legend Contents Functional Description Specifications List of Figures Gigabit Ethernet Connectors J9, J93 Pin Assignment List of TablesOverview of Contents About This ManualComments and Suggestions Conventions Used in This Manual About This ManualHardware Preparation and Installation IntroductionDescription Hardware Preparation and Installation Getting StartedOverview of Startup Procedures Unpacking GuidelinesStartup Overview Hardware Configuration MVME6100 PreparationMVME6100 Jumper and Switch Settings Jumper Switch Function SettingsMVME6100 Layout Scon Header J7 PMC/IPMC Selection Headers J10, J15 J18, J25 J28Srom Configuration Switch S3 Srom Configuration Switch S3No Srominit Flash Boot Bank Select Configuration Switch S4 Positio FunctionHardware Installation Installing the MVME6100 into a ChassisConfiguration Switch S4 Completing the Installation MVME6100 ConnectorsConnector Function Connection to PeripheralsApplying Power Switches and IndicatorsFront-Panel LED Status Indicators Startup and OperationMOTLoad Commands MOTLoad FirmwareOverview MOTLoad Implementation and Memory RequirementsMOTLoad Utility Applications MOTLoad TestsUsing MOTLoad Command Line InterfaceCommand Line Help Command Line RulesMOTLoad Command List MOTLoad CommandsCommand Description MOTLoad Commands MOTLoad Commands MOTLoad Commands Default VME Settings MVME6100 vmeCfg -s -mMVME6100 vmeCfg -s -o1 Firmware Settings CR/CSR SettingsDisplaying VME Settings Editing VME Settings VmeCfg -e -r40CDeleting VME Settings Restoring Default VME SettingsRemote Start Slot Position CS/CSR Starting Address Alternate Boot Images and Safe Start Firmware Startup Sequence Following ResetFirmware Scan for Boot Image Address Usage Valid Boot Images Checksum AlgorithmName Type Size MOTLoad Image Flags User ImagesMOTLoad Image Flags Name Value InterpretationAlternate Boot Data Structure Features MVME6100 Features SummaryFeature Description Functional DescriptionBlock Diagram MVME6100 Block DiagramProcessor L3 CacheSystem Controller CPU Bus Interface Memory Controller InterfaceDevice Controller Interface PCI/PCI-X InterfacesGigabit Ethernet MACs Device Bus ParametersGeneral-Purpose Timers/Counters Watchdog TimerI2O Message Unit Four Channel Independent DMA ControllerInterrupt Controller VMEbus Interface PMCspan InterfaceFlash Memory System MemoryPCI Mezzanine Card Slots Real-Time Clock/NVRAM/Watchdog Timer Reset Control LogicIdsel Routing Debug SupportPin Assignments Connectors PMC Expansion Connector J4PMC Expansion Connector J4 Pin Assignments Pin SignalPAR Gigabit Ethernet Connectors J9, J93 Gigabit Ethernet Connectors J9, J93 Pin AssignmentPin # Signal 1000 Mb/s 10/100 Mb/s PCI Mezzanine Card PMC Connectors J11 J14, J21 J24 PMC Slot 1 Connector J11 Pin AssignmentsPMC Slot 1 Connector J12 Pin Assignments PMC Slot 1 Connector J13 Pin Assignments PMC Slot 1 Connector J14 Pin Assignments PMC Slot 2 Connector J21 Pin Assignments PMC Slot 2 Connector J22 Pin Assignments PMC Slot 2 Connector J23 Pin Assignments 10. PMC Slot 2 Connector J24 Pin Assignments COM1 Connector J19 11. COM1 Connector J19 Pin AssignmentsVMEbus P1 Connector 12. VMEbus P1 Connector Pin AssignmentsVMEBus P2 Connector PMC Mode 13. VMEbus P2 Connector Pin Assignments PMC ModeP2IOGLAN1M VMEbus P2 Connector Ipmc Mode 14. VME P2 Connector Pinouts with IPMC712Pin Row Z Row a Row B Row C Row D 15. VME P2 Connector Pinouts with IPMC761 Headers 16. Scon Header J7 Pin Assignments18. PMC/IPMC Configuration Jumper Block Boundary Scan Header J817. Boundary Scan Header J8 Pin Assignments COM2 Header J29 19. COM2 Planar Serial Port Header J29 Pin AssignmentsProcessor JTAG/COP Header J42 21. Processor JTAG/COP RISCWatch Header J42 Pin AssignmentsSpecifications Power RequirementsEnvironmental Specifications Supply Current RequirementsAppendix a Specifications Thermal Validation Thermally Significant ComponentsTable B-1. Thermally Significant Components Max. Allowable Component ReferenceMeasurement Designator Generic Description Deg. C LocationFigure B-1. Thermally Significant Components-Primary Side Figure B-2. Thermally Significant Components-Secondary Side Component Temperature Measurement Measuring Junction TemperatureMeasuring Case Temperature PreparationFigure B-3. Mounting a Thermocouple Under a Heatsink Measuring Local Air Temperature Figure B-4. Measuring Local Air TemperatureRelated Documentation Motorola Embedded Communications Computing DocumentsManufacturers’ Documents Table C-2. Manufacturers’ DocumentsDocument Title and Source Publication Number Related Specifications Table C-3. Related SpecificationsTable C-3. Related Specifications Index Index