User's Guide

Table Of Contents
UpdatingtheUEFIBIOS
TheUEFIBIOSisthefirstprogramthatthecomputerrunswhenthecomputeristurnedon.TheUEFIBIOS
initializesthehardwarecomponents,andloadstheoperatingsystemandotherprograms.
Whenyouinstallanewprogram,devicedriver,orhardwarecomponent,youmightbeinformedtoupdate
theUEFIBIOS.YoucanupdatetheUEFIBIOSbystartingyourcomputerfromaflashupdatediscoraflash
updateprogramrunningintheWindowsenvironment.
Therequirementsforflashupdateareasfollows:
ThecomputermustbestartedoverLAN.
ThecomputermustbeengagedinthePrebooteXecutionEnvironment(PXE).
Anetwork-managementprogrammustbeinstalledonthecomputerofthenetworkadministrator.
ForinstructionsonhowtoupdatetheUEFIBIOS,gotohttp://www.lenovo.com/support.
BIOSmenu
ThistopicintroducesthefollowingBIOSmenusofyourcomputer:
Mainmenu
Configmenu
Date/Timemenu
Securitymenu
Startupmenu
Restartmenu
Note:Dependingonthemodelandoperatingsystem,themenuitemsandthedefaultvaluemightchange
withoutnotice.
Mainmenu
WhenyouentertheThinkPadSetupprogram,youfirstseetheMainmenuasfollows:
Note:TheBIOSmenuitemsmightchangewithoutnotice.Dependingonthemodel,thedefaultvalue
mightvary.
UEFIBIOSVersion
UEFIBIOSDate(Year-Month-Day)
EmbeddedControllerVersion
MEFirmwareVersion(availableonmodelswithanIntelCPU)
MachineTypeModel
System-unitserialnumber
Systemboardserialnumber
AssetTag
CPUType
CPUSpeed
Installedmemory
UUID
MACAddress(InternalLAN)
50ThinkPadE570,E570c,andE575UserGuide