Lenovo ThinkPad Edge E330 - Page 105

Table5.Securitymenuitems(continued)
Menuitem
SubmenuitemSelectionComments
loadstheoperatingsystem.
Topreventunauthorized
access,settheuser
authenticationonthe
operatingsystem.
Power-OnPassword
•Disabled
•Enabled
Referto“Power-on
password”onpage44
.
HardDisk1Password•Disabled
•Enabled
Referto“Harddisk
passwords”onpage
44
.
UEFIBIOSUpdateOptionFlashBIOSUpdatingby
End-Users
•Disabled
•Enabled
IfyouselectEnabled,
alluserscanupdatethe
UEFIBIOS.Ifyouselect
Disabled,onlytheperson
whoknowsthesupervisor
passwordcanupdatethe
UEFIBIOS.
MemoryProtectionExecutionPrevention•Disabled
•Enabled
Somecomputerviruses
andwormscausememory
bufferstooverowby
runningcodewhereonly
dataisallowed.Ifthe
DataExecutionPrevention
featurecanbeusedwith
youroperatingsystem,then
byselectingEnabledyou
canprotectyourcomputer
againstattacksbysuch
virusesandworms.Ifafter
choosingEnabledyound
thatanapplicationprogram
doesnotruncorrectly,
selectDisabledandreset
thesetting.
IntelVirtualization
Technology
AMD-VTechnology
•Disabled
•Enabled
IfyouselectEnabled,
aVMM(VirtualMachine
Monitor)canutilizethe
additionalhardware
capabilitiesprovidedby
VirtualizationTechnology.
Virtualization
IntelVT-dFeature•Disabled
•Enabled
IntelVT-disIntel
VirtualizationTechnology
forDirectedI/O.When
enabled,aVMMcanutilize
theplatforminfrastructure
forI/Ovirtualization.
Note:Thissub-menuisnot
supportedinmodelswith
anAMDCPU.
Chapter7.Advancedconguration91