Table6.Startupmenuitems
Menuitem
SelectionComments
Boot
Referto“Changingthestartup
sequence”onpage114
.
NetworkBoot
Referto“Bootsubmenu”onpage
115
.
UEFI/LegacyBoot
•Both
•UEFIOnly
•LegacyOnly
UEFI/LegacyBootPriority
•UEFIFirst
•LegacyFirst
CSMSupport(forUEFIOnly)
•No
•Y es
Selectsystembootcapability.
•Both:Thesystemwillboot
followingtheUEFI/LegacyBoot
Prioritysetting.
•UEFIOnly:Thesystemwillboot
fromtheUEFIenabledoperating
system.
•LegacyOnly:Thesystemwillboot
fromanyoperatingsystemother
thantheUEFIenabledone.
Note:IfyouselectUEFIOnly,
thesystemcannotbootfromthe
bootabledevicesthatdonothavethe
UEFIenabledoperatingsystem.
CompatibilitySupportModule(CSM)
isrequiredforbootingthelegacy
operatingsystem.IfyouselectUEFI
Only,CSMSupportisselectable.
ForBothorLegacyOnlymood,CSM
Supportisnotselectable.
BootMode
•Quick
•Diagnostics
ScreenduringthePOST:
•Quick:TheThinkPadLogoscreen
isdisplayed.
•Diagnostics:Testmessagesare
displayed.
BeepatPOSTcompletion:
•Quick:No.Soundsonerrorcases
only.
•Diagnostics:Yes.Alwayssounds.
“Ctrl-S”promptforon-board
Ethernet:
•Quick:No.
•Diagnostics:Yes.
MemorytestingduringthePOST:
•Quick:Quicktest(ornotest).
•Diagnostics:Fulltest.
Testingotherdevicesduringthe
POST:
•Quick:Minimumtest(ornotest).
116UserGuide
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