Lenovo ThinkPad E560 - Page 85

Table3.Securitymenuitems(continued)
Menuitem
SubmenuitemSelectionComments
Note:Thisitemissetas
Disabledbydefaultwhen
theOSOptimizedDefaults
ontheRestartmenuisset
asDisabled.Thisitemis
setasEnabledbydefault
whentheOSOptimized
DefaultsissetasEnabled.
MemoryProtectionExecutionPrevention•Disabled
•Enabled
Somecomputerviruses
andwormscausememory
bufferstooverflowby
runningcodewhereonly
dataisallowed.Ifthe
DataExecutionPrevention
featurecanbeusedwith
youroperatingsystem,then
byselectingEnabledyou
canprotectyourcomputer
againstattacksbysuch
virusesandworms.Ifafter
choosingEnabledyoufind
thataprogramdoesnotrun
correctly,selectDisabled
andresetthesetting.
IntelVirtualization
Technology
•Disabled
•Enabled
IfyouselectEnabled,a
VirtualMachineMonitor
(VMM)canutilizethe
additionalhardware
capabilitiesprovidedby
VirtualizationTechnology.
Note:Thissubmenuis
availableonmodelswithan
IntelCPU.
IntelVT-dFeature•Disabled
•Enabled
IntelVT-disIntel
VirtualizationTechnology
forDirectedI/O.When
enabled,aVMMcanutilize
theplatforminfrastructure
forI/Ovirtualization.
Note:Thissubmenuis
availableonmodelswithan
IntelCPU.
Virtualization
AMD-V™Technology
•Disabled
•Enabled
WhenyouselectEnabled,
aVMMcanutilizethe
additionalhardware
capabilitiesprovided
byAMDVirtualization
technology.
Note:Thissubmenuis
availableonmodelswithan
AMDCPU.
Chapter6.Advancedconfiguration69