
Table5.Startupmenuitems(continued)
Menuitem
SelectionComments
UEFI/LegacyBoot
•Both
•UEFIOnly
•LegacyOnly
Selectsystembootcapability.
•Both:Systemwillbootby
followingUEFI/LegacyBoot
Prioritysetting.
•UEFIOnly:Systemwillbootfrom
UEFIenabledOS.
•LegacyOnly:Systemwillboot
fromanyOSotherthanUEFI
enabledOS.
Note:IfyouselectUEFIOnly,
systemcannotbootfromthe
bootabledeviceswhichdonothave
UEFIenabledOS.
UEFI/LegacyBootPriority
•UEFIFirst
•LegacyFirst
Selectpriorityofbootoptionbetween
UEFIandLegacy.
BootMode
•Quick
•Diagnostics
ScreenduringPOST:
•Quick:ThinkPadLogoscreenis
displayed.
•Diagnostics:Textmessagesare
displayed.
Note:Youcanalsoenterthe
“Diagnostic”modebypressingEsc
duringPOST.
OptionKeysdisplay(ThinkVantage
buttonmessage)
•Disabled
•Enabled
Ifyouselect“Disabled,”the“To
interruptnormalstartup,pressthe
blueThinkVantagebutton.”message
isnotdisplayedduringPOST.
BootDeviceListF12Option
•Disabled
•Enabled
Ifyouselect“Enabled,”theF12key
isrecognizedandtheBootmenuis
displayed.
BootOrderLock
•Disabled
•Enabled
Ifyouselect“Enabled,”theBoot
PriorityOrderislockedforyourfuture
use.
UpdatingyoursystemUEFIBIOS
TheUniedExtensibleFirmwareInterface(UEFI)BIOSisapartofthesystemprogramsthatmakeupthe
basiclayerofsoftwarebuiltintoyourcomputer.UEFIBIOStranslatestheinstructionsfromothersoftware
layers.
Yourcomputersystemboardhasamodulecalledelectricallyerasableprogrammableread-onlymemory
(EEPROM,alsoreferredtoasashmemory).YoucanupdateUEFIBIOSandtheConguration/ThinkPad
SetupProgrambystartingyourcomputerwithaashupdateopticaldiscorashupdatetoolapplication
runningontheWindowsenvironment.
Insomeinstanceswhenyouaddsoftware,hardware,oradevicedriver,youmaybeinformedthatyouneed
toupdateyourUEFIBIOSinorderforthenewadditiontoworkproperly.
Chapter8.Advancedconguration121
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