1.InsertthelatestversionofLENOVOThinkPadHardwareMaintenanceDisketteorMaintenanceKey,
andthenrestartthecomputer.
2.Fromthemainmenu,select6.SetECAInformation.
3.TowritetheECAinformation,select1.WriteECA/reworknumberfromEEPROM,andfollowthe
instruction;T owriteboxbuilddate,select4.WriteboxbuilddatefromEEPROM,andfollowthe
instructiononthescreen.
Ifthesystemboardisbeingreplaced,trytoreadtheECAinformationfromtheoldsystemboardandtransfer
theinformationtothenewsystem.Ifthesystemboardisinoperable,thiswillnotbepossible.
56HardwareMaintenanceManual