thecodeofversion5004ismorecredible,POSTcardself-testismoredetailedUser'sguideoffour-bitcodePOSTcardThisUser'sguideisfitforthecommoncomputerpostcard(thePI0050)andthenotebookcomputerpostcard(M04).四位代码形电脑主板故障诊断卡使用说明(ThereareeditionsinChineseforyoutochoose)可选配中文说明书●NotonlydiagnosethetroubleofmainboardbutalsothetroubleofthePOSTcard,keepusersfrommisunderstanding.●MorecompatiblewithmainboardPIV,endthehistorythatthePOSTcardisunabletoworkasthemainboardupdateconstantly.●Youcanconsultthecodethathasrun;Presstheswitchonceandthecodepauses●Itdonoharmstodevicewhileinsertthecardwronglywithaspeakeronthecardtoremindyouthereisanerror,SMDdevicethatprotectyourhands.●TestthespeedofPCIandISAbusofthecomputer,youwillgettheresultassoonasyoutestit.Itcanhelpyounotsufferlosseswhenyoubuythecomputer,andalsohelpyousellthecomputerthathasafastbusspeedatgoodprice..CatalogueI、FrontView2II、Implicationofword/numberoffour-bitcodePOSTcard3III、Flowchart4Ⅳ、Distinguishtrueandfalse7Ⅴ、OBLIGATORYCONTENT7Ⅵ、DescriptionofLEDdisplays8Ⅶ、Errorcodetable8Ⅷ、Descriptionofbeepcode30Ⅸ、Frequently-askedquestions34I、FrontViewThiscardnamedM04isfitfornotebookcomputer.ThiscardthatnamedPI0050isfitforcommoncomputerII、Implicationofword/numberoffour-bitcodepostcardword/NUMDescription0---Startautomaticdiagnosisafteritdisplayedforabouthalfasecond1---Thefirstfunctionsymbolofmainmenu,thenentercodeconsultingfunctionafteritdisplayedforabouthalfasecond2---Thesecondfunctionsymbolofmainmenu,thendisplaythereferencespeedofbusafteritdisplayedforabouthalfasecond3---Thethirdfunctionsymbolofmainmenu,displaytheversionnumber5002afteritdisplayedforabouthalfasecond4---Thefourthfunctionsymbolofmainmenu,starttotestthecardanddisplayfrom0000、1111toFFFFafteritdisplayedforabouthalfasecond5---The5thfunctionprompt,startself-testafterthepromptdisplayedforabouthalfsecond..Aslongaseachof4bitscandisplaysymbols,nomatterwhatitdisplays,thePOSTprocesspassed.BecauseofthePOSTcontenthasbeenenhancedalot,plentyofsymbolsareespecial.youcanpaynoattentiontoit.-PCIItindicatesthattheslotyouinsertthecardisPCIslot,andwaitforyoutoconsultthenextcodebypressingfunctionswitch.-ISAItindicatesthattheslotthatyouinsertthecardisISAslot.Andwaitforyoutoconsultthenextcodebypressingfunctionswitch.---PWaitingforyoutoconsultthenextcodebypressingthefunctionswitch.Afteritdisplayedforhalfasecond,thecodewillbedisplayed,andthefirsttwobitsindicatesthehexadecimalerrorcode.Thelasttwobitsindicatestheordinalnumberofthecode.P---Waitingforyoutoconsulttheprecedingcodebypressingthefunctionswitch.Afteritdisplayedforhalfasecond,thecodewillbedisplayed,andthefirsttwobitsindicatesthehexadecimalerrorcode,thelasttwobitsindicatestheordinalnumberofthecode.-EndThelastcode(ordinalnumberlimit:0-47)forwardconsultingisdisplayed;pressandholdthefunctionswitchforsome0.8second,thenenterthebackwardconsultingmodeanddisplayP---,afterhalfasecond,thecodeisdisplayed,thefirsttwo-bitcodeindicatesthe47thPOSTcode,thelasttwo-bitcode(47)indicatestheordinalnumberofthecode;ifpressandholdthefunctionswitchforabout0.8secondtwice,itwillexitthecodeconsultingandenterthesecondfunctionofmainmenu,atthesametimedisplayed2---,thendisplaythereferencespeedofPCI/ISAbusindecimalinhalfasecond.End-Thefirstcode(ordinalnumberlimit:0-47)backwardconsultingisdisplayed;Pressandholdthefunctionswitchfor0.8second,thenentertheforwardconsultingmodeanddisplay---P,afterhalfasecond,thecodeisdisplayed,thefirsttwo-bitcodeindicatesthezerocode;thelasttwo-bitcode(00)indicatestheordinalnumberofthecode.Ifpressandholdthefunctionswitchforabout0.8secondtwice,itwillexitthecodeconsultingandenterthesecondfunctionofmainmenu,atthesametimedisplayed2---,thendisplaythereferencespeedofPCI/ISAbusindecimalinhalfasecond.III.FlowchartBeginPoweroffandremoveallthecardsthatpluginexpansionslot.InsertthecardintoISAorPCIslot.(Notice:WhenyouplugitintheISAslotthecomponentsideshouldfacetothepower,ifitpluggedinthewrongdirection,thecardandmotherboardisnotbroken,butboththecardandthemainboardstoprunning.Poweron;JudgeIfthealllightsrunnormally.(TheBIOSlightmaybeonlowpowertosparkleNOAccordingtothe“DescriptionofLEDdisplaying”,youcanfindthecauseofthetroubleandcorrectitYESJudgewhethertheerrorcodethatmeansthereisatroublewiththemainboardisdisplayedAccordingtotheerrorcodetable,youcanfindthecauseofthetroubleandcorrectitYESNOPoweroff,insertthedisplaycard、I/Ocard、keyboard、harddiskdriveandexpansioncardsPoweron,JudgewhethertheerrorcodethatmeansthereisatroublewiththemainboardisdisplayedPoweroff,Accordingtotheerrorcodetable,youcanfindthecauseofthetroubleandcorrectitIftheresultofthetestiscorrecteventhoughitcan’tboottheoperatingsystem,theremaybesometroublewiththesoftwareordiscdrive,ordiskcontroller,orDMAcircuit.NOYESEndIllustrationoffour-bitcodePOSTcard(5004version)poweronDisplay0---testing...ErrorPrecedingCodeCode8888Pressandholdtheswitchforabout0.8secondDisplay1---about1secondlattercodeconsultingDisplay-PCIifinserttothePCIslot,Display-ISAifinserttotheISAslot,Display2---testspeed8888DisplayreferencespeedofbusindecimalPressandholdtheswitchforabout0.8secondDisplay3---