Lenovo ThinkPad Edge E520 - Page 138

Securitymenuitems
Table5.Securitymenuitems
Menuitem
SubmenuitemSelectionComments
Password
Referto“Securitymenu”
onpage114and“Using
passwords”onpage59.
UEFIUpdateOption
FlashUEFIUpdatingby
End-Users
•Disabled
•Enabled
Ifyouselect“Enabled”,
alluserscanupdatethe
FlashUEFI.Ifyouselect
“Disabled”,onlytheperson
whoknowssupervisor
passwordcanupdatethe
FlashUEFI.
MemoryProtectionExecutionPrevention•Disabled
•Enabled
Somecomputerviruses
andwormscausememory
bufferstooverowby
runningcodewhereonly
dataisallowed.Ifthe
DataExecutionPrevention
featurecanbeusedwith
youroperatingsystem,then
byselecting“Enabled”you
canprotectyourcomputer
againstattacksbysuch
virusesandworms.Ifafter
choosing“Enabled”you
ndthatanapplication
programdoesnotrun
correctly,select“Disabled”
andresetthesetting.
IntelVirtualization
Technology
•Disabled
•Enabled
Ifyouselect“Enabled,”
aVMM(VirtualMachine
Monitor)canutilizethe
additionalhardware
capabilitiesprovided
byIntelVirtualization
Technology.
Virtualization
IntelVT-dFeature•Disabled
•Enabled
IntelVT-disIntel
VirtualizationTechnology
forDirectedI/O.When
enabled,aVMMcanutilize
theplatforminfrastructure
forI/Ovirtualization.
EthernetLAN•Disabled
•Enabled
Ifyouselect“Enabled”,you
canusetheEthernetLAN
device.
WirelessLAN•Disabled
•Enabled
Ifyouselect“Enabled”,you
canusetheWirelessLAN
device.
WiMAX•Disabled
•Enabled
Ifyouselect“Enabled”,you
canusetheWiMAXdevice.
WirelessWAN•Disabled
•Enabled
Ifyouselect“Enabled”,you
canusetheWirelessWAN
device.
I/OPortAccess
120UserGuide