User Manual

Descriptions:Usethisoptiontocleartheencryptionkey.
•Intel(R)TXTFeature:
Values:Disabled,Enabled
Descriptions:Thisfeatureisavailableonsomemodels.EnableordisabletheIntel
®
TrustedExecution
Technology.
•PhysicalPresenceforClear
Values:Disabled,Enabled
Descriptions:Ifthisoptionisenabled,aconfirmationmessageisdisplayedwhenyouclearthesecurity
chip.
UEFIBIOSUpdateOption
•FlashBIOSUpdatingbyEnd-Users
Values:Disabled,Enabled
Descriptions:Whenthisoptionisenabled,alluserscanupdatetheUEFIBIOS.Ifyoudisablethisoption,
onlythepersonwhoknowsthesupervisorpasswordcanupdatetheUEFIBIOS.
•SecureRollBackPrevention
Values:Disabled,Enabled
Descriptions:Whenthisoptionisdisabled,youcanflashtheUEFIBIOStoearlierversion.
Note:ThisitemissetasDisabledbydefaultwhentheOSOptimizedDefaultsontheRestartmenuisset
asDisabled.ThisitemissetasEnabledbydefaultwhentheOSOptimizedDefaultsissetasEnabled.
•WindowsUEFIFirmwareUpdate
Values:Disabled,Enabled
Descriptions:EnableordisabletheWindowsUEFIFirmwareUpdatefeature.IfyouselectDisabled,BIOS
willskipWindowsUEFIFirmwareUpdateandyoucanflashtheUEFIBIOStoanearlierversion.
MemoryProtection
•ExecutionPrevention
Values:Disabled,Enabled
Descriptions:Somecomputervirusesandwormscausememorybufferstooverflow.Byenablingthis
option,youcanprotectyourcomputeragainstattacksfromsuchvirusesandworms.Iftheoptionis
enabledbutyoufindthataprogramdoesnotrunproperly,disablethisoptionfirstandthenresetthe
settings.
Virtualization
•IntelVirtualizationT echnology
Values:Disabled,Enabled
Descriptions:Ifthisoptionisenabled,aVirtualMachineMonitor(VMM)canutilizetheadditionalhardware
capabilitiesprovidedbyIntelVirtualizationTechnology.
•IntelVT-dFeature
Values:Disabled,Enabled
Descriptions:IntelVT-dstandsforIntelVirtualizationTechnologyforDirectedI/O.Whenenabled,aVMM
canutilizetheplatforminfrastructureforI/Ovirtualization.
I/OPortAccess
Descriptions:Usethissubmenutoenableordisablethefollowinghardwarefeatures:
Chapter5.Advancedconfiguration57