ThinkPad SL410 Hardware Maintenance Manual
Download Hardware maintenance manual of ThinkPad L410 Laptop for Free or View it Online on All-Guides.com. This version of ThinkPad L410 Manual compatible with such list of devices, as: L412, L510, L512, SL410, SL510
Brand: ThinkPad
Category: Laptop
Type: Hardware maintenance manual
Model: ThinkPad L410 , ThinkPad L412 , ThinkPad L510 , ThinkPad L512 , ThinkPad SL410 , ThinkPad SL510
Pages: 284
Retainingserialnumbers
Thissectionincludesthefollowingdescriptions:
•“Restoringtheserialnumberofthesystemunit”onpage56
•“RetainingtheUUID”onpage56
•“ReadingorwritingtheECAinformation”onpage57
Restoringtheserialnumberofthesystemunit
Whenthecomputerwasmanufactured,theEEPROMonthesystemboardwasloadedwiththeserial
numbersofthesystemandallmajorcomponents.Thesenumbersneedtoremainthesamethroughout
thelifeofthecomputer.
Ifyoureplacethesystemboard,youmustrestoretheserialnumberofthesystemunittoitsoriginalvalue.
Beforereplacingthesystemboard,savetheoriginalserialnumberbydoingthefollowing:
1.InstalltheLENOVOThinkPadHardwareMaintenanceDisketteVersion1.76orlater,andrestartthe
computer.
2.Fromthemainmenu,select1.SetSystemIdentication.
3.Select2.ReadS/NdatafromEEPROM.
Theserialnumberofeachdeviceinyourcomputerisdisplayed;theserialnumberofthesystemunitis
listedasfollows:
•20:Serialnumber
Writedownthatnumber.
Note:Theserialnumberofthesystemunitisalsowrittenonthelabelattachedtothebottomofthecomputer.
Afteryouhavereplacedthesystemboard,restoretheserialnumberbydoingthefollowing:
1.InstalltheLENOVOThinkPadHardwareMaintenanceDisketteVersion1.76orlaterandrestartthe
computer.
2.Fromthemainmenu,select1.SetSystemIdentication.
3.Select1.AddS/NdatafromEEPROM.Followtheinstructionsonthescreen.
IftheMTMandProductIDnumbersdifferfromeachotherontherearlabel,usewhatisshownforthe
ProductIDeld.Seeexamplebelow:
MTMonrearlabel:
TTTT-CTOS/NSSSSSSS
ProductIDonrearlabel:
TTTT-MMM(UsethisnumberwhensettingSerialNumber)
Intheexample,theSerialNumbertobeinputis'1STTTTMMMSSSSSSS'.
RetainingtheUUID
TheUniversallyUniqueIdentier(UUID)isa128-bitnumberuniquelyassignedtoyourcomputerat
productionandstoredintheEEPROMofyoursystemboard.
56ThinkPadSL410,L410,L412,SL510,L510,andL512HardwareMaintenanceManual