Edidv3标准规格

VESAEDIDStandardPage1of80Copyright1994,1996,1997VideoElectronicstandardsAssociationVersion3VESAExtendedDisplayIdentificationData(EDID)StandardVideoElectronicsStandardsAssociation2150NorthFirstStreet,Suite440Phone:[phone]SanJose,CA95131-2029Fax:[phone]EXTENDEDDISPLAYIDENTIFICATIONDATASTANDARDVersion3RevisionDate:November13,1997PurposeThisstandarddefinesdataformatstocarryconfigurationinformationtoallowoptimumuseofdisplays.SummaryToday’scomputingenvironmentdemandsthatsystemsofferuserfriendlyset-up.Withthegrowingpopularityofintuitiveandsimplersoftwareuserinterfaces,hardwaremanufacturersarerespondingwithplug-and-playsystemsandperipherals.However,fortheusertoreceivefullbenefitfromtheseadvances,standardizationisnecessary.VESA,astheprominentstandardsorganizationforgraphicsub-systems,hasdevelopedtheEDIDdataformatasacompactmethodtospecifythecapabilitiesofvarioustypesofmonitorsaswellasintegrateddisplays.ItisanticipatedthatEDIDformatdatawillbetransportedbyavarietyofcommunicationprotocols.NoteThisversionoftheEDIDstandardcontainsdocumentationforseveralvariationsoftheEDIDdatastructure.Thedefinitionofeachoftheseisdeterminedbyversionandrevisioncodescontainedinthedatastructureitself.ThesecodesinnowaycorrespondtotheversionnumberoftheEDIDdocumentwhichisshownonthispage.AreferencechartoftheEDIDdatastructurescontainedinthisdocumentaswellastheirversionandrevisioncodesisshownbelow.VersionRevisionStructureSizeCreatedbyStandardChapterreference10128bytesVESADDCv1r0Chapter311128bytesVESAEDIDv2r0Chapter312128bytesVESAEDIDv3r0Chapter320256bytesVESAEDIDv3r0Chapter4VESAEDIDStandardPage2of80Copyright1994,1996,1997VideoElectronicstandardsAssociationVersion3PrefaceScopeThisrevisionoftheEDIDStandardisintendedtoclarifyunclearareasofpreviousrevisionsofthestandardanddefineadditionaldataformatstosupportdisplaysasdefinedintheVESAPlug&DisplayandFPDIstandards.IntellectualPropertyCopyright©1994,1996,1997,VideoElectronicsStandardsAssociation.Allrightsreserved.Whileeveryprecautionhasbeentakeninthepreparationofthisstandard,theVideoElectronicsStandardsAssociationanditscontributorsassumenoresponsibilityforerrorsoromissions,andmakenowarranties,expressedorimplied,offunctionalityorsuitabilityforanypurpose.TrademarksAlltrademarksusedwithinthisdocumentarethepropertyoftheirrespectiveowners.VESA,DDC,DPMS,EDID,EVC,P&DandVDIFaretrademarksoftheVideoElectronicsStandardAssociation.I2CisatrademarkownedbyPhilips.PatentsVESAproposalsandstandardsareadoptedbytheVideoElectronicsStandardsAssociationwithoutregardtowhethertheiradoptionmayinvolveanypatentsorarticles,materials,orprocesses.Suchadoptiondoesnotassumeanyliabilitytoanypatentowner,nordoesitassumeanyobligationwhatevertopartiesadoptingtheproposalsorstandardsdocuments.SupportforthisStandardClarificationsandapplicationnotestosupportthisstandardmaybewritten.Toobtainthelateststandardandanysupportdocumentation,contactVESA.IfyouhaveaproductwhichincorporatesEDID,youshouldaskthecompanythatmanufacturedyourproductforassistance.Ifyouareamanufacturer,VESAcanassistyouwithanyclarificationyoumayrequire.AllcommentsorreportederrorsshouldbesubmittedinwritingtoVESAusingoneofthefollowingmethods.•Fax[phone],directthisnotetoTechnicalSupportatVESA•[e-mail]•mailtoTechnicalSupportVESA-VideoElectronicsStandardsAssociation2150NorthFirstStreet,Suite440SanJose,CA95131-2029VESAEDIDStandardPage3of80Copyright1994,1996,1997VideoElectronicstandardsAssociationVersion3RevisionHistoryVersion3November13,1997AdditionofEDIDdatastructureversion2.AdditionofAppendixA:DigitalDataFormatsAdditionofsampleEDIDdataforversion2datastructure.Version2Revision1July24th1996AdditionofAppendixB:AnswerstocommonlyaskedquestionsChangeofsourceofEISAIDcodesCorrectionofknowntypographicerrorsAppliedaconsistentapproachtobytenumberinginthedefinitionsofDescriptorDescriptions(Section3.9)CorrectiontoreferencetoEDIDandDDCstandardsversionandrevisionnumbers.Version2Revision0April9th1996SeparationofEDIDStandard(thisdocument)fromtheDDCStandardClarificationofVersion1.0Allowalternateusesof‘detailedtimingdescription’area(s)IncorporationofcorrectionsandcommentsfromVESAmembershipreviewNote:TheinformationinthisdocumentisidenticalwiththeVESAEDIDProposalVersion2p,Revision0p,datedJanuary11th1996.Version1.0Revision0August12,1994OriginalEDIDspecificationincorporatedintheVESADisplayDataChannel(DDC)StandardNote:TheinformationinthisdocumentisidenticalwiththeVESADDCProposalVersion1.0p,Revision0.64p,datedJune10,1994AcknowledgmentsThisdocumentwouldnothavebeenpossiblewithouttheeffortsoftheVESAMonitorCommittee.Inparticular,thefollowingindividualsandtheircompaniescontributedsignificanttimeandknowledge.RichardAtanusNECBillMilfordSTBSystemsBenBurgeChipsandTechnologiesBobMyersHPAndersFriskFujitsuDonPannellSierraSemiconductorJoeGoodartDellDanWilnaiCATCJackHosekNECHansVanderVenPanasonicNathanJohnMicrochipSebastianMarsanneSGS-ThomsonShaunKeriganIBMNikolaVidovichHitachiIanMillerIBMVESAEDIDStandardPage4of80Copyright1994,1996,1997VideoElectronicstandardsAssociationVersion3TableofCon