ThinkPad S540 - Page 108

Table5.Securitymenuitems(continued)
Menuitem
SubmenuitemSelectionComments
PhysicalPresencefor
Clear
•Disabled
•Enabled
Thisoptionenablesordisablesthe
confirmationmessagewhenyou
clearthesecuritychip.
FlashBIOSUpdatingby
End-Users
•Disabled
•Enabled
IfyouselectEnabled,alluserscan
updatetheUEFIBIOS.Ifyouselect
Disabled,onlythepersonwho
knowsthesupervisorpasswordcan
updatetheUEFIBIOS.
UEFIBIOSUpdateOption
SecureRollBack
Prevention
•Disabled(IfOS
Optimizedis
Disabled)
•Enabled(IfOS
Optimizedis
Enabled)
IfyouselectDisabled,youcanflash
theolderversionoftheUEFIBIOS.
MemoryProtectionExecutionPrevention•Disabled
•Enabled
Somecomputervirusesandworms
causememorybufferstooverflow.
ByselectingEnabledyoucan
protectyourcomputeragainst
attacksbysuchvirusesandworms.
Ifyoufindthatanapplication
programdoesnotruncorrectlyafter
choosingEnabled,selectDisabled
andresetthesetting.
Intel(R)Virtualization
Technology
•Disabled
•Enabled
IfyouselectEnabled,aVirtual
MachineMonitor(VMM)canutilize
theadditionalhardwarecapabilities
providedbyVirtualization
Technology.
Virtualization
IntelVT-dFeature•Disabled
•Enabled
IntelVT-dstandsforIntel
VirtualizationTechnologyfor
directedI/O.Whenenabled,aVMM
canutilizetheplatforminfrastructure
forI/Ovirtualization.
EthernetLAN•Disabled
•Enabled
IfyouselectEnabled,youcanuse
theEthernetLANdevice.
WirelessLAN•Disabled
•Enabled
IfyouselectEnabled,youcanuse
theWirelessLANdevice.
WirelessWAN•Disabled
•Enabled
IfyouselectEnabled,youcanuse
theWirelessWANdevice.
Bluetooth•Disabled
•Enabled
IfyouselectEnabled,youcanuse
theBluetoothdevice.
USBPort
•Disabled
•Enabled
IfyouselectEnabled,youcanuse
theUSBconnectors.
MemoryCardSlot
•Disabled
•Enabled
IfyouselectEnabled,youcanuse
thememorycardslotforanSDcard
oraMultiMediaCard.
IntegratedCamera
•Disabled
•Enabled
IfyouselectEnabled,youcanuse
thecamera.
I/OPortAccess
92UserGuide