ATX2规范

ATXSpecificationVersion2.2ATXSpecification-Version2.2Page2IMPORTANTINFORMATIONANDDISCLAIMERS1.INTELCORPORATIONMAKESNOWARRANTIESWITHREGARDTOTHISATXSPECIFICATION(“SPECIFICATION”),ANDINPARTICULARDOESNOTWARRANTORREPRESENTTHATTHISSPECIFICATIONORANYPRODUCTSMADEINCONFORMANCEWITHITWILLWORKINTHEINTENDEDMANNER.NORDOESINTELASSUMERESPONSIBILITYFORANYERRORSTHATTHESPECIFICATIONMAYCONTAINORHAVEANYLIABILITIESOROBLIGATIONSFORDAMAGESINCLUDING,BUTNOTLIMITEDTO,SPECIAL,INCIDENTAL,INDIRECT,PUNITIVE,ORCONSEQUENTIALDAMAGESWHETHERARISINGFROMORINCONNECTIONWITHTHEUSEOFTHISSPECIFICATIONINANYWAY.2.NOREPRESENTATIONSORWARRANTIESAREMADETHATANYPRODUCTBASEDINWHOLEORINPARTONTHEABOVESPECIFICATIONWILLBEFREEFROMDEFECTSORSAFEFORUSEFORITSINTENDEDPURPOSE.ANYPERSONMAKING,USINGORSELLINGSUCHPRODUCTDOESSOATHISORHEROWNRISK.3.THEUSEROFTHISSPECIFICATIONHEREBYEXPRESSLYACKNOWLEDGESTHATTHESPECIFICATIONISPROVIDEDASIS,ANDTHATINTELCORPORATIONMAKESNOREPRESENTATIONS,EXTENDSNOWARRANTIESOFANYKIND,EITHEREXPRESSORIMPLIED,ORALORWRITTEN,INCLUDINGANYWARRANTYOFMERCHANTABILITYORFITNESSFORAPARTICULARPURPOSE,ORWARRANTYORREPRESENTATIONTHATTHESPECIFICATIONORANYPRODUCTORTECHNOLOGYUTILIZINGTHESPECIFICATIONORANYSUBSETOFTHESPECIFICATIONWILLBEFREEFROMANYCLAIMSOFINFRINGEMENTOFANYINTELLECTUALPROPERTY,INCLUDINGPATENTS,COPYRIGHTANDTRADESECRETSNORDOESINTELASSUMEANYOTHERRESPONSIBILITIESWHATSOEVERWITHRESPECTTOTHESPECIFICATIONORSUCHPRODUCTS.4.ANON-EXCLUSIVECOPYRIGHTLICENSEISHEREBYGRANTEDTOREPRODUCETHISSPECIFICATIONFORANYPURPOSEPROVIDEDTHIS“IMPORTANTINFORMATIONANDDISCLAIMERS”SECTION(PARAGRAPHS1-4)ISPROVIDEDINWHOLE.NOOTHERLICENSE,EXPRESSORIMPLIED,BYESTOPPELOROTHERWISE,TOANYOTHERINTELLECTUALPROPERTYRIGHTSISGRANTEDHEREIN.IntelisatrademarkorregisteredtrademarkofIntelCorporationoritssubsidiariesintheUnitedStatesandothercountries.*Othernamesandbrandsmaybeclaimedaspropertyofothers.Copyright2003-2004IntelCorporationATXSpecification-Version2.2Page3RevisionHistoryChangesfromVersion2.1toVersion2.2GlobalchangeremovedATXinATX/ATX12VPowerSupplyDesignGuide.ImportantInformationandDisclaimersupdated.Section4.1—MainPowerConnectorchangedfrom20pinto24pintosupportPCI-Express*requirements.Section4.1.1—RemovedAuxPowerConnectorRecommendationifusingapowersupplydesignedusingATX12VPowerSupplyDesignGuideRev2.0orgreater.Section4.1.4—Update3.3Vtolerance.ChangesfromVersion2.03toVersion2.1Globalchange—RemovedreferencestoMini-ATX.Section2—ReplaceexistingtextwithnewtextthataddsrequirementforATX12Vconnector;substituterevisedFigure1.Section3.3—AddATX12VpowerconnectorinformationtoTable3.Section3.3.2—Replaceexistingtextwithnewtextthatincludesthe12Vrequirementforprocessorvoltageregulators.Section3.4—MovedtextinSection3.4underanewsubheading,3.4.1.Addedsubheading,3.4.2,tospecifysecondarysideheightconstraints.RevisedFigure7toreflectanincreaseinthemaximumcomponentheightrestriction.ZonesC,D,andEformerlyspecifiedthreedifferentheightrestrictions.Thisrevisionreplacesthosethreezones(C,D,andE)withonemaximumcomponentheightrestrictionzone(C)fortheentireregion.AddedtwosentencesattheendofthenotethatfollowsFigure7.Section4—Replaceexistingtextwithnewtextthataddsthe12VconnectorandareferencetotheATX/ATX12VPowerSupplyDesignGuide.Section4.2—AddreferencestotheATX12Vconnector;substituterevisedFigure10.Section4.4—AddnewTable10thatlistswirecolorcodeforATX12Vpowersupplies.Section6—UpdateWebsiteURLforATXinformationanddocumentdownloading.ChangesfromVersion2.02toVersion2.03Replacedsevenoccurrencesoftheerroneousname“microATX”withthecorrectname“Mini-ATX.”TheerrorwasintroducedaccidentallyinVersion2.02.TheMini-ATXformfactoris11.2x8.2(284mmx208mm;theMini-ATXformfactorreferredtointhisATXSpecificationisNOTthesameasthemicroATXformfactor,whichisdescribedinaseparatespecification.ChangesfromVersion2.01toVersion2.02Section3.3.5—ReplacedFigures4and5.Section4.2.1—AddednewsectiontodefineAuxPowerConnector;renumberedthesubsequentsections,figures,andtablesaccordingly.Section4.2.2.3—ReplacedFigure11tobetterexplainthepowersupplytiming.Section4.2.3—CorrectedtwovaluesinTable7,VoltageTolerances:-5VDCand-12VDCshouldcomplyto±10%,not±5%.ThischangewasmadetomatchthenewlyreleasedIntelATXPowerSupplyDesignGuide,Version0.9.Section4.4—CorrectedTable9;the1394RsignaliscarriedonPin4,andPin6isReserved.ThismatchestheinformationshowninFigure12.Section6—AddedsectiontoprovidetheInternetlocationoftheATXhomepage,foraccesstodocumentswithinformationbeyondtherequirementsofthisATXSpecification.ATXSpecification-Version2.2Page4ChangesfromVersion2.0toVersion2.01Section2—UpdatedFigure1toreflectrecommendationsimplementedwithVersion2.0.Section3.2—ModifiedFigure2toclarifymotherboardmountrequirements.Section3.3—Updatedtableofrequirementstoreflectchangesinthesectionoutlinedbelow.Section3.3.5—Rewrotetexttoclarifyrequirements.Section3.3.5—Reducedkeepoutzonerequirementto0.1(2.5mm).Thischangewasbasedonfeedbackfromchassismanufacturersandisthemostsignificantrequirementchangewithrespecttothechassis.Section3.3.5—Addedrecommendationtoavoidpaintwithinthekeepoutzone.Section3.3.5—ReplacedFigure4toclarifychassisI/Oapertu