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1、主板侦断卡代码大全（MotherboarddetectioncardcodeDaquan）MotherboarddetectioncardcodeDaquanPCI/ISAdualpurposeDEBUGcardfaultcodelist(applicableonlyforPCI/ISAdualpurposeandPCIsingleuse)CodeAwardBIOSAMIBIOSPhoenixandTandy3000BIOS00(seethespecialcodemeaning)hasshowntheconfigurationof
2、thesystem;willcontroltheworkerINT19bootload.(seethemeaningofspecialcode)(seethemeaningofspecialcode)The01processortests1,handlesthestatusverification,andifthetestfails,theloopisinfinite.Thetestofprocessorregistersisabouttobegin,andtheinterruptisabouttobedeactivated.Th
3、eCPUregistertestisongoingormalfunctioning.02determinethetypeofdiagnosis(normalormanufactured).Ifthekeyboardbuffercontainsdata,itwillfail.Disablenonstopinterrupts;startbydelay.CMOSwrite/readisinprogressoroutoforder.03clear8042keyboardcontroller,issueTEST-KBRDcommand(AA
4、H).Theenergizationdelayhasbeencompleted.ROMB10Scheckcomponentsareinprogressormalfunction.04make8042keyboardcontrollerreset,verifyTESTKBRD.Keyboardcontrollerforreset/energizationtest.Thetestoftheprogrammableintervaltimerisgoingonoroutoforder.05ifrepeatedmanufacturingte
5、stsarerepeated1to5,8042controlstatescanbeobtained.Softreset/energizationhasbeendetermined;ROMisabouttostart.DMAinitialpreparationisinprogressorfailure.06maketheinitialpreparationofthecircuitchip,disablethevideo,parity,DMAcircuitchip,andcleartheDMAcircuitchip,allpagere
6、gistersandCMOSstopbytes.Maketheinitialpreparationofthechip,disablethevideo,parity,DMAcircuit,andcleartheDMAcircuitchip,allpageregistersandCMOSstopbytes.ROMhasbeenstartedtocalculatethesumoftheROMBIOSchecks,andtocheckwhetherthekeyboardbufferiscleared.DMAinitialpageregis
7、terread/writetestisinprogressorfailure.07processortest2,verifyingtheworkofCPUregisters.ROMBIOSchecktotalnormal,keyboardbuffercleared,sendBAT(basicguaranteetest)commandtokeyboard.Meaningless08maketheCMOStimerastheinitialpreparationandupdatethetimercyclenormally.TheBATc
8、ommandhasbeensenttothekeyboardandwillbewrittentotheBATcommand.TheRAMupdatecheckisongoingormalfunctioning.Thesumof09EPROMchec
