CPCI规范3.0版

PropertyofMotorolaForInternalUseOnly-ExternalDistributionProhibitedPICMG2.0R3.0CompactPCICompactPCIââSpecificationOctober1,1999PropertyofMotorolaForInternalUseOnly-ExternalDistributionProhibitedPropertyofMotorolaForInternalUseOnly-ExternalDistributionProhibitedReleaseNoteforPICMG2.0Revision3.0CompactPCICompactPCIÒÒSpecificationOctober1,1999PropertyofMotorolaForInternalUseOnly-ExternalDistributionProhibitedPurposeThisReleaseNoterecordssomeissuesraisedinthecourseofdevelopingandballotingPICMG2.0Revision3.0,theCompactPCIcorespecification.1.SystemManagementBuspinassignments.ThisspecificationreservespinsonJ1/P1ofallslotsandJ2/P2oftheSystemSlotfordefinitionasI2CSystemManagementBussesbyPICMG2.9,CompactPCISystemManagementSpecification.ThesesignalshavebeententativelyassignedbythePICMG2.9asindicatedinSection3.2.7.7andinTables13through16withtheirnotes.TheIPMB_SDApinisanI2Cdatabusconnectingallslotsinabackplane.TheIPMB_SCLpinistheclockassociatedwiththatdataline,andtheIPMB_PWRpinisapowerpinfortheIPMBnode.ThedataandclockpinsprovidingSystemSlotaccesstoplatformdevicesfromJ2/P2weredesignatedICMB_SDAandICMB_SCLinthedraftspecificationreviewedandadoptedbytheExecutiveMembershiponOctober1,1999.Thesesignalnamesaremisleading,implyingtheuseofanRS-485UARTbusasspecifiedintheIntelIPMIdocuments.ThesesignalsaredesignatedSMB_SDAandSMB_SCLinthereleaseddocument.AsecondSystemManagementpowerpin,designatedICMB_PWRintheexecutivedraft,wasalsoreservedonJ2/P2oftheSystemSlot.AsoftheapprovalofPICMG2.0Revision3.0,thePICMG2.9subcommitteeisindoubtastowhetherthispinwillactuallybeusedforpower,andisconsideringassigningadifferentfunctiontothisreservedpin.ThereleasedspecificationaccorddesignatesthispinasSMB_RSV.2.SystemSlotHotSwapSignals.ThisspecificationdesignatesPinJ1/P1D15asashortBD_SEL#(BoardSelect)signalinagreementwithPICMG2.1,CompactPCIHotSwapSpecification,butonlyonperipheralslots.ThepinisshownasagroundonSystemSlots.ImplementersofCompactPCIboardsandsystemsshouldanticipatethatthissignalmayalsobedesignatedasBD_SEL#onSystemSlotsinPICMG2.13,CompactPCIRedundantSystemSlotSpecification.J1/P1PinB4isdesignatedastheHEALTHY#signalonSystemandPeripheralSlotsinthisspecification.###PropertyofMotorolaForInternalUseOnly-ExternalDistributionProhibitedPICMG2.0R3.0CompactPCIâSpecificationOctober1,1999PropertyofMotorolaForInternalUseOnly-ExternalDistributionProhibitedPICMG2.0R3.010/1/99iiCopyright1995,1996,1997,1998,1999PCIIndustrialComputersManufacturersGroup(PICMG).TheattentionofadoptersisdirectedtothepossibilitythatcompliancewithoradoptionofPICMGspecificationsmayrequireuseofaninventioncoveredbypatentrights.PICMGshallnotberesponsibleforidentifyingpatentsforwhichalicensemayberequiredbyanyPICMGspecification,orforconductinglegalinquiriesintothelegalvalidityorscopeofthosepatentsthatarebroughttoitsattention.PICMGspecificationsareprospectiveandadvisoryonly.Prospectiveusersareresponsibleforprotectingthemselvesagainstliabilityforinfringementofpatents.NOTICE:Theinformationcontainedinthisdocumentissubjecttochangewithoutnotice.ThematerialinthisdocumentdetailsaPICMGspecificationinaccordancewiththelicenseandnoticessetforthonthispage.Thisdocumentdoesnotrepresentacommitmenttoimplementanyportionofthisspecificationinanycompany'sproducts.WHILETHEINFORMATIONINTHISPUBLICATIONISBELIEVEDTOBEACCURATE,PICMGMAKESNOWARRANTYOFANYKIND,EXPRESSORIMPLIED,WITHREGARDTOTHISMATERIALINCLUDING,BUTNOTLIMITEDTOANYWARRANTYOFTITLEOROWNERSHIP,IMPLIEDWARRANTYOFMERCHANTABILITYORWARRANTYOFFITNESSFORPARTICULARPURPOSEORUSE.InnoeventshallPICMGbeliableforerrorscontainedhereinorforindirect,incidental,special,consequential,relianceorcoverdamages,includinglossofprofits,revenue,dataoruse,incurredbyanyuseroranythirdparty.CompliancewiththisspecificationdoesnotabsolvemanufacturersofCompactPCIequipment,fromtherequirementsofsafetyandregulatoryagencies(UL,CSA,FCC,IEC,etc.).PICMG®,CompactPCI®,andthePICMG®andCompactPCI®logosareregisteredtrademarksofthePCIIndustrialComputersManufacturersGroup.Allotherbrandorproductnamesmaybetrademarksorregisteredtrademarksoftheirrespectiveholders.PropertyofMotorolaForInternalUseOnly-ExternalDistributionProhibitedCompactPCI®CoreSpecificationPICMG2.0R3.010/1/99iiiContents1OVERVIEW.........................................................................................................................................91.1COMPACTPCIOBJECTIVES................................................................................................................91.2BACKGROUNDANDTERMINOLOGY....................................................................................................91.3DESIREDAUDIENCE...........................................................................................................................91.4COMPACTPCIFEATURES.................................................................................................................101.5APPLICABLEDOCUMENTS................................................................................................................101.6ADMINISTR