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1、主板測試卡代碼一diagnosticcardcodetableBootafterthemainboardtestcarddirectlyshows"FFor00〃thecauseoftheproblemandeliminationmethod(attached:computermotherboardfailurediagnosiscardcodetable)afterstartupmotherboardtestcarddirectlyshow〃FFor00"thecauseoftheproblemandeliminationmethod(
2、attached:computermotherboardfailurediagnosiscardcodetable)Lookedat6604856catfriendsoriginal〃theuseofthemotherboarderrorbudgetingcard"post,Ithinkwritingisverygood,easytounderstandandexp1a.inproblems,aboutmemoryandgraphicscardarecorrect,butforthepostsaid"ifplugindirectlydis
3、play00FForafterthenCPUhasyettostartwork,intheworstcaseisyourCPUfinished,threeminutesinsilenceandthenrushedtothecomputercitytospendmoney,"Iwanttoaddalittleadded,andthecatfriends,welcometomastercorrect!Inmyexperiencewiththemainboard,itistruethattheCPUisnotworking,butthechan
4、ceofCPUdamageismuchlowerthanthefollowingfourreasons:A.ATXpowersupplyisdamaged,missingonesetofvoltagesupplyCPU,alsocanappearFFor00,canchangeagoodpowersupplytotry,ifthenormalillustratethepoweroftheoriginaldamage,canusethemultimetertomeasurethepowerof20corepluginsideofeachvo
5、ltageandpower,willcertainlyfindfault;2.CPUmainboardofsolderjointsunderbecauseoflongtimeofheatbilgescoldshrink,therewillbeadesoldering(solderjointcracking),alsocanappearFFor00,particularlyistousetheolduprightadaptercardCPU,adaptercardCPUofthesolderjointcrackingsituationmor
6、e,generallythenakedeyeisnoteasytosee,wanttouseamagnifyingglass.Methodofrepair:heatthesolderwithahotairguntothesolder?3.ChecktheCPUneartheelectrolyticcapacitorsforburst,burstofcapacitancewillpluckup,upanddownisveryeasytofindwiththenakedeye,canusethesamespecificationsofthec
7、apacitancechange,thefaultcanberuledout;Four?NeartheCPUpowertriodeburned,canusethemultimetertomeasurethetriode,typicallyshowthebreakdown(resistancevalueclosetozero),canfindthesameorsubstitutetriodereplacement,torepairmanyfriendsusuallyfromscraponthemainboard?Theattached:Co
8、mputermotherboardfaultdiagnosiscardCode】CodeAwardBIOSAmiBIOSPhoenixBIOSorTandy3000BIOS00.Theconf
