Lenovo ThinkPad Edge E545 Service Manual

IftheMTMandProductIDnumbersdifferfromeachotherontherearlabel,usewhatisshownforthe
ProductIDeld.Seethefollowingexample:
MTMontherearlabel:
TTTT-CTO1WWS/NSSSSSSSS
ProductIDontherearlabel:
TTTT-MMMMMM(UsethisnumberwhensettingSerialNumber)
Intheexample,theSerialNumbertobeinputis“1STTTTMMMMMMSSSSSSSS”.
RetainingtheUUID
TheUniversallyUniqueIdentier(UUID)isa128-bitnumberuniquelyassignedtoyourcomputerat
productionandstoredintheEEPROMofyoursystemboard.
ThealgorithmthatgeneratesthenumberisdesignedtoprovideuniqueIDsuntiltheyearA.D.3400.Notwo
computersintheworldhavethesamenumber.
Whenyoureplacethesystemboard,followthefollowingstepstocreatenewUUIDforthesystemboardif
thesystemboarddoesnothaveaUUID:
1.InstallthelatestversionofLENOVOThinkPadHardwareMaintenanceDisketteorMaintenanceKey,
andthenrestartthecomputer.
2.Fromthemainmenu,select4.AssignUUID.AnewUUIDiscreatedandwritten.IfavalidUUIDalready
exists,itisnotoverwritten.
ReadingorwritingtheECAinformation
InformationonEngineeringChangeAnnouncements(ECA)arestoredintheEEPROMofthesystemboard.
TheelectronicstorageofthisinformationsimpliestheproceduretocheckiftheECAhasbeenpreviously
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,theEEPROMmustbeupdatedtoreecttheECA's
application.UsethelatestversionofLENOVOThinkPadHardwareMaintenanceDisketteorMaintenance
KeytoupdatetheEEPROM.
Note:OnlytheECAnumberisstoredintheEEPROM.ThemachinetypeoftheECAisassumedtobethe
sameasthemachinetypeofthemachinethathadtheECAappliedtoit.
1.InsertthelatestversionofLENOVOThinkPadHardwareMaintenanceDisketteorMaintenanceKey,
andthenrestartthecomputer.
2.Fromthemainmenu,select6.SetECAInformation.
3.TowritetheECAinformation,select1.WriteECA/reworknumberfromEEPROM,andfollowthe
instruction;Towriteboxbuilddate,select4.WriteboxbuilddatefromEEPROM,andfollowthe
instructiononthescreen.
Chapter8.FRUreplacementnotices59

Lenovo ThinkPad Edge E545 Specifications

General

OS	windows 7 professional
Software	microsoft office, evernote, kindle and more
Numeric Keypad	no
Touch Screen	no
Screen Type	other
Screen Size	15.6 inches
Screen Resolution	1366 x 768 (hd)
Processor Brand	amd
Processor Model	amd a8-series
Type of Memory	ddr3
System Memory	4 gigabytes
System Memory Expansion	4 gigabytes
Audio Type	dolby enhanced audio v2
Speakers Type	stereo
Backlit Keyboard	no
Card Reader	yes
Touchpad	none
Battery Type	lithium-ion

Weight and Dimensions

Depth	9.64 inches
Height	1.12 inches
Width	14.84 inches