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首页 怎样看四位数的主板诊断卡(How to see the four digit motherboa…

怎样看四位数的主板诊断卡(How to see the four digit motherboard diagnostic card).doc

怎样看四位数的主板诊断卡(How to see the fou…

那茹淚啲流星
2018-11-03 0人阅读 举报 0 0 0 暂无简介

简介:本文档为《怎样看四位数的主板诊断卡(How to see the four digit motherboard diagnostic card)doc》,可适用于社会民生领域

怎样看四位数的主板诊断卡(Howtoseethefourdigitmotherboarddiagnosticcard)怎样看四位数的主板诊断卡(Howtoseethefourdigitmotherboarddiagnosticcard)Aboutmotherboarddiagnosticcardmanual:usersmustread,thefaultcodemeaningissortedbylookuptablestocode,codesequenceisdeterminedbythecomputermotherboardBIOScardTheandfourbitcodesaredividedintotwogroupsoftwobitcodesThefirsttwo(thousandandhundred)wereonegroup,andthelattertwo(tenandone)wereanothergroupYouareviewingthetwogroupsnotonlyknowthemeaningofthecodethatcanbemeasuredbythecomputerfaultdetectioncannotcomponents(bythethousandsandhundredsofshows)andthatthecomputerfaultdetectiontotheendofthethroughpart(shownbytenandabit)Undefinedcodetablenotlisted,fordifferentBIOS(AMI,Award,commonPhoenix)representthesamecodemeaningisdifferentsoyoushouldascertainthedetectedcomputerbelongstowhichtypeofBIOS,youcanaccessyourcomputermanuals,orfromtheBIOSchipcomputermotherboarddirectlyview,canalsobedirectlyseeinthestartscreen,therearefewcomputermotherboardPCIslotonlysentpartofthecode,buttheISAisacompleteselfcheckingcodeoutputslotandithasbeenfoundthattheISAslothasveryfewcomputermotherboardoriginalmachinewithoutcodeoutput,whilethePCIgrooveisacompletecodeoutput,sowerecommendthatyoulookatthecodeisnotsuccessful,thedoubleslotcardslottoanothertryInaddition,differentPCIslotwithacomputermotherboard,someslotacompletecodesent,suchasaPCIslotonthemotherboardDELLdesktopcomputeronlynearCPUacompletecode,hasbeenchangedto""or"FF",andtheotherPCIslottochangeto",resetsignaltimeISAandPCIisnotnecessarilysynchronous,soitispossiblethatISAbegantocode,butthePCIresetlightisnotextinguished,soPCIcodestoppedatthebeginningofthecode,becauseofthevarietyandstructureofthecomputermotherboarddiversityandBIOSPOSTcodetoupdate,thenfindthefaultcomponentsandaccuracyintherangeofcodebehindisaffected,sothe"code"meaninglookuptablesonlyfaultcomponentsandintherangeasareferenceIndicatorfunctionInfotablelampsignaldescriptionCLKbusclock,regardlessofISAorPCI,aslongasthecomputer(noCPU,etc)powersupplyshouldbealwaysbright,otherwisetheCLKsignalisbadBIOSbasicinputandoutputcomputermotherboardrunning,readontheBIOSoperationwillbeflashingTheIRDYmaindeviceisreadytoflashwhenithasIRDYsignal,otherwiseitisnotbrightOSCisthemainoscillationvibrationsignalISAslot,theemptyplateelectricityshouldbelit,otherwisethecrystaloscillationcircuitcomputermotherboardisnotworking,andnoOSCsignalFRAMEframecyclePCIslotloopframesignallamptoshine,usuallybrightRSTresetRESETbootorpressRESETswitchafterbrighthalfsecondextinguishedisnormal,ifnotdestroyed,oftenbecauseofthecomputermotherboardresetpinconnectedtotheaccelerationswitchorwrongshortcircuit,orresetcircuitisbadVpowersupply,computerpowershouldbealwaysbright,otherwisethereisnovoltageorcomputermotherboardshortcircuitVpoweristhesameasaboveVpoweristhesameasaboveTheVpowersupplyisthesame(onlytheISAslothasthisvoltage)Seven,thefaultcodelookuptablecodeAwardAMIPhoenixTandymeaningsameasFF(seepage)andFF(seepage)withFF(seepage)Theprocessortests,andtheprocessorstateisverifiedIfthetestfails,theloopisinfiniteTrychangingCPUcheckCPUjumperorCPUsettingwrongornotThetestofprocessorregistersisabouttobegin,andthenonshieldinterruptsareabouttobedeactivatedTheproposedexclusionmethodisthesameastheleftCPUregistertestbeingcarriedoutortheproposedtroubleshootingmethodisleftdeterminethetypeofdiagnosis(normalormanufactured)Ifthekeyboardbuffercontainsdata,itwillfailCheckthekeyboardcircuitandkeyboarditselfinthecomputermainboardUsingunshieldedinterruptsstartingwithdelaysCheckthecomputermotherboardandCPUCMOSwritereadisinprogressoroutoforderCheckthecomputermotherboardbattery,etcclearkeyboardcontroller,issueTESTKBRDcommand(AAH)CheckingkeyboardinternalcircuitandsoftwareTheenergizationdelayhasbeencompletedandtheROMBIOSinspectioncomponentisinprogressormalfunctionCheckwhetherthecomputermotherboardBIOSchiphasbeeninsertedorthesurroundingcircuitismoldymakekeyboardcontrollerreset,verifyTESTKBRDCheckingkeyboardinterfacecircuitincomputermainboardKeyboardcontrollerresetelectrifytestCheckingthecircuitofthekeyboardcontrolpartinthecomputermainboard,thetestoftheprogrammabletimeintervaltesterisongoingorfailureCheckingthecircuitrelatedtotimerinthemainboardofcomputerifrepeatedmanufacturingtestsarerepeatedto,controlstatescanbeobtainedCheckingkeyboardcontrolcircuitincomputermainboardSoftresetenergizationhasbeendeterminedROMwillbestartedsoonCheckthecomputermotherboardROMchipanditssupportcircuit,DMAinitialpageregisterreadwritetestisongoingorfailureCheckingthechipanditsperipheralcircuitrelatedtoDMAinthemainboardofcomputermaketheinitialpreparationofthecircuitchip,disablethevideo,parity,DMAcircuitchip,andcleartheDMAcircuitchip,allpageregistersandCMOSregistersworkCheckingthecircuitrelatedtoDMAinthemainboardofcomputerprocessortest,verifyingtheworkofCPUregistersCheckwhethertheCPUisinserted,orCPUbad,orCPUjumperandothersettingsarewrongornotROMBIOSchecktotalnormal,keyboardbuffercleared,sendBAT(basicguaranteetest)commandtokeyboardCheckkeyboardinterfacecircuitincomputermotherboardortrytochangekeyboardmaketheCMOStimerastheinitialpreparationandupdatethetimercyclenormallyCheckingCMOScircuitandchipincomputermainboardTheBATcommandhasbeensenttothekeyboardandwillbewrittentotheBATcommandCheckthecomputermotherboardkeyboardcontrolcircuitandkeyboarditselfRAMupdatetestisongoingorfailureCheckthememoryinterfacecircuit,memoryslotandmemorybarofthecomputermainboardCodeAwardAMIPhoenixTandyThesumofEPROMchecksmustbeequaltozerotopassBIOScircuitandchipforcheckingcomputermainboardVerifythebasicguaranteetestofthekeyboard,andthenverifythekeyboardcommandbyteKeyboardsocketcheckingandkeyboardchangingforcomputermainboardThefirstKRAMtestisinprogressDittosearchmethodAmakesinitialpreparationsforvideointerfacesCheckthecircuitrelatedtothegraphicscardThekeyboardcommandbytecodeisissued,andthecommandbytedataiswrittenTrychangingkeyboardThefirstKRAMchipordatalinefailedandshiftedDitto。BtestchipDMAchannelKeyboardcontrolcircuitincomputermainboardandcontrolcircuitinkeyboardWritesthecommandbyteofthekeyboardcontroller,andissuesthelockunlockcommandofpinsandCheckingkeyboardcontrollercircuitOddevenlogicfailureofthefirstKRAMDitto。CtestchannelControlcircuitincheckingkeyboardThekeyboardcontrollerpins,areshieldedunlockedtheNOPcommandhasbeenissuedTrychangingkeyboardTheaddresslinefaultofthefirstKRAMDitto。D,checkwhethertheCPUspeedmatchesthesystemclockSetontheCPUparametersofCPUandCMOSinthelevelcheckandcheckcontrolchipprogrammedvaluesareconsistentwiththeinitialsetting,videochanneltest,ifyoufail,honkTheNOPcommandhasbeenprocessedthentheCMOSopenregisteristestedCheckingtherelevantcircuitofcontrollingCMOSincomputermainboardThefirstpairofKRAMfailuresDitto。EtestCMOSstopbyteCheckingCMOSchipandcircuitincomputermainboardCMOSstateregisterreadwritetestandcalculateCMOSchecksumCheckingcomputermainboardCMOSchipanditssupportingcircuitandcomputermainboardbatteryInitializetheinputoutputportaddressDitto。ChecktheIOchipanditsperipheralcircuitinthePCmainboard,andnoticetheconflictbetweentheIOaddressoftheexternaldevicessuchastheextendedcardCMOSextensionsforFtestingTheCMOSchecksumhasbeenwrittentothediagnosticbytetheCMOShasstartedtheinitialpreparationCheckingcomputermotherboardbatteryandCMOSchiptestDMAchannelCheckingDMAchipandcircuitincomputermainboardCMOShasmadeinitialpreparations,andtheCMOSstatusregisterispreparingforthedateandtimeCheckingCMOScontrolcircuitincomputermainboardThefirstKRAMzerothbitfaultCheckthememorymanagementcircuitandmemoryslotinthecomputermotherboard,isitrustyIsthereatrashornomemoryCodeAwardAMIPhoenixTandytestDMAchannelChecktheDMAchipandtheperipheralcircuitofthechipinthecomputermainboardTheCMOSstatusregisterhasbeeninitiallypreparedandwillstopDMAandinterruptcontrollerCheckthechipandtheperipheralcircuitofDMAandinterruptcontrollerinthecomputermainboardThefirstKRAMfirstbitfaultSamecodetestDMApageregisterChecktheDMAchipinthecomputermainboardandtheperipheralcircuitofthechipDisableDMAcontrollerandinterruptcontrollerandbringvideodisplayandmakeportBasinitialpreparationCheckingvideointerfacecircuitincomputermainboardorgraphicscardThefirstKRAMsecondbitfaultSamecodetestkeyboardcontrollerinterfaceCheckingkeyboardinterfacecircuitincomputermainboardThevideodisplayhasbeendisabled,portBhasbeeninitiallypreparedthecircuitchipinitializationmemoryautomatictestwillbeinitiatedCheckcontrolchip,graphicsmemorychipanditsperipheralcircuitThefirstKRAMthirdbitfaultSamecodetesttimerCheckingtimercircuitincomputermainboardChipinitializationmemoryautomaticdetectionisovertimertestisabouttobeginCheckingorchipsrelatedtotimerincomputermainboardanditssupportingcircuitThefirstKRAMfourthbitfaultSamecodemeasureinterruptshieldbitCheckingthechipanditsperipheralcircuitinthecomputermainboardThesecondchanneltimerishalftestedthesecondchanneltimerisabouttocompletethetestCheckthetimercircuitpartofthecomputermainboardThefirstKRAMfifthbitfaultSamecodeestablishtheinterruptvectortableforCheckingthechipanditsperipheralcircuitinthecomputermainboardSecondchanneltimertestisfinishedfirstchanneltimerisabouttocompletethetestCheckthetimerchipanditsperipheralinthecomputermainboardThefirstKRAMsixthbitfaultSamecodeadjustthevideoinputoutput,ifequippedwithvideoBIOSisenabledThecontrolcircuitrelatedtographicscardincardandcomputermainboardFirstchanneltimertestisfinishedzerothchanneltimerisabouttocompletethetestCheckingtimercircuitincomputermainboardThefirstKRAMseventhbitfaultSamecodetestvideomemory,ifyouinstalltheselectedvideoBIOSthroughthistest,youcanbypassBIOSchipanditsperipheralcircuitinvideocardThezerothchanneltimertestisfinishedthememorywillbeupdatedtocheckthememorymanagementcircuit,memoryslotandmemorybarinthecomputermainboardThefirstKRAMeighthbitfaultSamecodeCodeAwardAMIPhoenixTandytestfirstchannelinterruptcontroller()shieldingbitCheckingthechipinthecomputermainboardMemoryhasbeenupdatedThefirstKRAMninthbitfaultSamecodeAtestsecondchannelinterruptcontroller()shieldingbitCheckingthechipinthecomputermainboardTriggeringthememoryupdatelineisabouttocheckthemicrosecondpassbreaktimeCheckingthememorychipofcomputermainboardanditsinterfacecircuitThefirstKRAMtenthbitfaultSamecodeBtestCMOSbatterylevelCheckwhetherthebatteryinthemainboardofthecomputeriselectricornot,andthebatteryofsomeboardsisinstalledintheCMOSmodule,andthebatterycanbereplacedbytheuppercoverThememoryupdatetimeismicrosecondsthebasicKmemorytestisabouttobeginCheckthemainmemorycontrolpart,memoryslotandmemorybarofthecomputermainboardThefirstKRAMeleventhbitfaultSamecodeCtestCMOSchecksumCheckingCMOSchipanditscircuitincomputermainboardThefirstKRAMtwelfthbitfaultSamecodeConfigurationofDsettingCMOSCheckingCMOSchipincomputermainboardThefirstKRAMthirteenthbitfaultSamecodeEdeterminesthesizeofthesystemmemoryandcomparesitwiththeCMOSvalueCheckingCMOScircuitincomputermainboardandmemoryincomputermainboardThefirstKRAMfourteenthbitfaultSamecodeFtestKmemorytothehighestKCheckthememoryormemorychipinthecomputermotherboardThefirstKRAMfifteenthbitfaultSamecodefixedsectionmeasurementCheckingthechipandperipheralcircuitinthecomputermainboardStartthebasicKmemorytesttesttheaddresslineCheckthememoryinterface,memoryslotandmemorybarinthecomputermainboardTheslaveDMAregistertestisinprogressormalfunctioningCheckthecomputermainboardcontainingDMAchipanditssupportingcircuitmaintaintheNMIbit(parityorcheckoftheinputoutputchannel)ChecktheinterruptcontrollerchipanditsperipheralcircuitinthecomputermainboardTestbyaddresslinetriggerparityDatalinecircuitrelatedtomemoryparitybitincomputermainboardThemainDMAregistertestisongoingormalfunctioningDitto。interruptfunctionoftestCheckingthechipanditsperipheralcircuitinthecomputermainboardEndingtouchparitywillstarttheserialdatareadwritetestCheckthecomputermotherboardwithmemorycontrolpart,memorybarandslotThemaininterruptmaskedregistertestisongoingormalfunctioningCheckchipandperipheralcircuitofinterruptcontrollerincomputermainboardCodeAwardAMIPhoenixTandytestprotectionmodevirtualmodeandpagemodeCheckingthememorychipofcomputermotherboardanditssurroundingcircuitThebasicKserialdatareadwritetestisnormalitisabouttostartanyadjustmentbeforetheinterruptvectorinitializationChecktheinterruptcontrollerofcomputermainboardandthememorypartrelatedtointerruptvectorSlaveinterruptmaskedregistertestisinprogressormalfunctionCheckchipandperipheralcircuitofinterruptcontrollerincomputermainboardmeasuringextendedmemoryaboveMbMemorycheckAnyadjustmentbeforetheinitializationofthevectoriscompletedandtheinitialpreparationoftheinterruptvectorisabouttobeginCheckthecomputermotherboardinterruptcontrollerpartSetESsegmentaddressregisterregistertomemoryhighendThechipanditssupportingcircuitandmemorybarinthecomputermainboardareconnectedwiththememorymanagementinterfacecircuittestallthememoryafterthefirstKMemorycheckTheinitialpreparationofinterruptvectoriscompleted,andinputoutputportsarereadoutforrotationCheckthechipinthecomputermotherboardanditsperipheralloadinginterruptvectorisinprogressormalfunctionCheckthememorycontrolcircuitofcomputermotherboardandmemoryslotmemorytesttheexceptionofprotectionmodeCheckCPUandmemoryincomputermainboardReadandwritetheinputoutputport,andstartpreparingglobaldataassoonastherotationcontinuesCheckingthechippartofthecomputermainboardOpentheAaddresslinesothatitcanbeaddressedCheckthememorycardinthecomputermotherboard,theApinanditspinoftheassociatedcircuitandmemoryslotAshrapnelcannottouchthememoryofthegoldfingerormemoryApinfunctionisbaddeterminingthecontrolorshieldingRAMofthecachememoryChecktheCachecontrolcircuitandmemorybarinthecomputermainboardTheinitialpreparationofalldataiscompletedthenanyinitialpreparationaftertheinterruptionvectorismadeCheckthemaincomputerboardinterruptcontrollerpartKeyboardcontrollertestisinprogressormalfunctionCheckingkeyboardinterfacecircuitincomputermainboardmeasurementofcachememorycontrolorspecialkeyboardcontrollerCheckingCachecontrolofcomputermainboardandkeyboardcontrolcircuitincomputermainboardTheinitialpreparationaftertheinterruptvectoriscompletedthemonochromaticmodeistobeadjustedInterfaceofvideocardCMOSpowerfailurechecksumcalculationinprogressChecktheCMOSchipanditsassociatedcircuitinthecomputermainboardandthecurrentsupplysectionofthecomputermainboard,trytochangethepowersupply,adjustthemonochromaticmode,andadjustthecolormodeColorvideocardCMOSconfigurationvaliditychecksareongoingCheckingCMOSwritecircuitincomputermainboardApreparesthekeyboardcontrollerfortheinitialpreparationCheckingkeyboardcontrollercircuitincomputermainboardThecolorhasbeenadjustedandwillbetriggeredbeforetheROMtest

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