User Manual

Table3.Securitymenuitems(continued)
Menuitem
Submenuitem
Value
Comments
abletoworkuntiltheyarere-enabledinthe
fingerprintsoftware.
SecurityChip
Selection
•DiscreteTPM
•IntelPTT
IfyouselectDiscreteTPM,youcanusea
discreteTPMchipwithTPM1.2mode.Ifyou
selectIntelPTT,youcanuseIntelPlatform
Trustedtechnology(PTT)withTPM2.0mode.
Note:
IntelPTTcanbeusedwithWindows8orlater
operatingsystem.
•Active
•Inactive
•Disabled
(ForDiscreteTPM)
IfyouselectActive,thesecuritychipis
functional.IfyouselectInactive,theSecurity
Chipisvisible,butthesecuritychipisnot
functional.IfyouselectDisabled,theSecurity
Chipishiddenandthesecuritychipisnot
functional.
SecurityChip
•Enabled
•Disabled
(ForIntelPTT)
IfyouselectEnabled,thesecuritychipis
functional.IfyouselectDisabled,thesecurity
chipishiddenandnotfunctional.
ClearSecurityChip
•Enter
Cleartheencryptionkey.
Note:Thisitemisdisplayedonlyifyouhave
selectedActivefortheSecurityChipoption.
IntelTXTFeature•Disabled
•Enabled
EnableordisabletheIntelTrustedExecution
Technology.
Note:Thisitemisdisplayedonlyifyouhave
selectedActivefortheSecurityChipoption.
PhysicalPresence
forProvisioning
•Disabled
•Enabled
Enableordisabletheconfirmationmessage
whenyouchangethesettingsofthesecurity
chip.
SecurityChip
PhysicalPresence
forClear
•Disabled
•Enabled
Enableordisabletheconfirmationmessage
whenyouclearthesecuritychip.
FlashBIOSUpdating
byEnd-Users
•Disabled
•Enabled
IfyouselectEnabled,alluserscanupdatethe
UEFIBIOS.IfyouselectDisabled,onlythe
personwhoknowsthesupervisorpasswordcan
updatetheUEFIBIOS.
UEFIBIOSUpdate
Option
SecureRollBack
Prevention
•Disabled
•Enabled
IfyouselectDisabled,youcanflashtheolder
versionUEFIBIOS.
MemoryProtectionExecution
Prevention
•Disabled
•Enabled
Somecomputervirusesandwormscause
memorybufferstooverflow.Byselecting
Enabledyoucanprotectyourcomputeragainst
attacksbysuchvirusesandworms.Ifafter
choosingEnabledyoufindthataprogramdoes
notruncorrectly,selectDisabledandresetthe
setting.
74ThinkPadT460sUserGuide