Lenovo ThinkPad T470 Hardware Maintenance Manual

2.Whenthelogoisdisplayed,pressEsc.TheThinkPadConfigInformationUpdateUtilityinterfaceis
displayed.
3.Type1underEntertheactiondesired,thenpressEnter.TheThinkPadSerialNumberUpdateUtilityfor
AssetIDscreenisdisplayed.
4.Type1underEntertheactiondesired,thenpressEnter.Thenfollowtheinstructionsonthescreen
torestoretheserialnumberofthesystemunit.
RetainingtheUUID
TheUniversallyUniqueIdentifier(UUID)isa128-bitnumberuniquelyassignedtoyourcomputerat
productionandstoredintheEEPROMofyoursystemboard.
ThealgorithmthatgeneratesthenumberisdesignedtoprovideuniqueIDsuntiltheyearA.D.3400.Notwo
computersintheworldhavethesamenumber.
Whenyoureplacethesystemboard,performthefollowingstepstocreateanewUUIDforthesystem
boardifthesystemboarddoesnothaveaUUID:
Note:Beforeyouperformtheoperation,ensurethattheUEFI/LegacysettingwithintheStartupmenuin
theThinkPadSetupprogramissettoUEFIOnly.
1.ConnectaUSBmemorykeytothecomputer.
2.Gotohttp://www.lenovo.com/maintenanceutilitiesandfollowtheinstructionsonthescreentocreatea
MaintenanceKey.
Note:OnlyanauthorizedLenovoservicetechniciancanaccesstheaboveWebsite.
3.Restartthecomputer.
4.Whenthelogoscreenisdisplayed,pressEsc.TheThinkPadConfigInformationUpdateUtilityinterface
isdisplayed.
5.Type2underEntertheactiondesired,thenpressEnter.TheAutoUUIDgenerationutilityinterfaceis
displayed.
6.TypeyunderChangeUUID.OK?[Y/N],thenpressEnter.AnewUUIDiscreatedandwritten.Ifa
validUUIDalreadyexists,itisnotoverwritten.
ReadingorwritingtheECAinformation
InformationonEngineeringChangeAnnouncements(ECA)isstoredintheEEPROMofthesystemboard.
TheelectronicstorageofthisinformationsimplifiestheproceduretocheckiftheECAhasbeenpreviously
appliedtoamachine.ThemachinedoesnotneedtobedisassembledtocheckfortheECAapplication.
TocheckwhatECAshavebeenpreviouslyappliedtothemachine,usetheECAInformationRead/Write
functionontheLENOVOThinkPadHardwareMaintenanceDisketteorMaintenanceKey.
1.InsertthelatestversionofLENOVOThinkPadHardwareMaintenanceDisketteorMaintenanceKey,
andthenrestartthecomputer.
2.Fromthemainmenu,select6.SetECAInformation.
3.ToreadtheECAinformation,select2.ReadECA/reworknumberfromEEPROMandfollowthe
instructionsonthescreen;Toreadboxbuilddate,select5.ReadboxbuilddatefromEEPROM,and
followtheinstructionsonthescreen.
AfteranECAhasbeenappliedtothemachine,theEEPROMmustbeupdatedtoreflecttheECA's
application.UsethelatestversionofLENOVOThinkPadHardwareMaintenanceDisketteorMaintenance
KeytoupdatetheEEPROM.
Note:OnlytheECAnumberisstoredintheEEPROM.ThemachinetypeoftheECAisassumedtobethe
sameasthemachinetypeofthemachinethathadtheECAappliedtoit.
Chapter8.FRUreplacementnotices63

Lenovo ThinkPad T470 Specifications

General

RAM	Up to 32GB DDR4
Operating System	Windows 10 Pro
Bluetooth	Bluetooth 4.1
Processor	Up to 7th Generation Intel Core i7
Storage	Up to 1 TB HDD or Up to 512 GB SSD
Display	14" FHD (1920 x 1080) IPS
Graphics	Intel HD Graphics 620
Battery Life	Up to 18 hours
Ports	2 x USB 3.0, 1 x USB-C, HDMI, Ethernet, SD card reader
Wireless	Intel® Dual Band Wireless-AC 8265
Weight	Starting at 1.58 kg (3.48 lbs)