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1、电脑诊断卡大全(ComputerdiagnosticcardDaquan)IndicatorfunctionlookuptableCLKbusclock,regardlessofISAorPCI,aslongasanemptyboard(noCPU,etc・)onthepowersupply,itshouldalwayslight,orelseCLKsignalisbad.BIOSbasicinputandoutput,themotherboardrunning,readingoperationsonBIOSwillflash・T
2、heIRDYmaindeviceisonlyreadytoflashwhenitisreadytohaveIRDYsignals,otherwiseitisnotlit・OSCoscillation,themainvibrationsignalofISAslot,thepowerontheemptyboardshouldbealwaysbright,otherwisestopvibration.FRAMEframecyclePCIslot,thereisacircularframesignal,thelightsareshinin
3、g,usuallylight・RSTreset,bootorpresstheRESETswitch,brighthalfsecondstoextinguishwillbenormal,ifnotdestroyed,oftenbecauseofthemotherboardreset,pinconnectedtotheaccelerationswitchorresetcircuitisbad・Thepowerboardonthe12Vpowersupplyshouldbeconstantlybright,otherwisetherei
4、snovoltageorthemainboardisshortcircuited・一12Vpowerboard,poweronboardshouldbealwaysbright,otherwisethereisnovoltageorthemainboardisshortcircuited.Thepowerboardonthe5Vpowersupplyshouldbeconstantlybright,otherwisethereisnovoltageorthemainboardisshortcircuited.一5Vpowerboa
5、rd,poweronboardshouldbealwaysbright,otherwisethereisnovoltageorthemainboardisshortcircuited.(onlytheISAslothasthisvoltage)3V3powersupply.Thisisthe3.3VvoltagecharacteristicofthePCIslot・Thepowerontheemptyboardshouldalwaysbebright,andsomeofthemainboardswithPCIslotsdonoth
6、avethisvoltagethemselves,buttheyarenotbright・codeannotationCO:boottestcodetodisplayCO,themotherboardBIOSfaultormotherboardchiphasbeenbadfortheCl:Cltodetectwhethermemoryisstoppedby,however,butthemotherboardalsosuspectedoffaultC3:memoryproblemsD3,D4:Thisisamemoryproblem
7、,butthemotherboardmemoryslotisalsopossible,mostinAMDtheboard,thenyoucantakeouttheCPUfan,andthentighteningCPUpowertest25:25cardorslot,themotherboardBIOScangenerallyclearlightmachine・Orchangethecard26or2Blightmachine,lightmachineconsideringgraphics31graphicscardor45:car
8、dslot:question00:juststartdirectlyto00orFFisCPUorFFbadmotherboardchip:justbootdirectlytothe00orFFisCPUorthemotherboardchippo
