Lenovo ThinkPad Edge E425 - Page 120

Table4.Congmenuitems(continued)
Menuitem
SubmenuitemSelectionComments
PowerControlBeep
•Disabled
•Enabled
Ifthisfunctionisenabled,
abeepsoundswhenthe
computerentersapower
managementmode,whenit
resumesoperationalmode,
andwhentheacpower
adapterisconnectedor
disconnected.
LowBatteryAlarm•Disabled
•Enabled
Enablesordisablesthelow
batteryalarm.
PasswordBeep•Disabled
•Enabled
Ifyouenablethisfunction,
abeepsoundswhen
apasswordpromptis
displayed,andagainifyou
typeawrongpassword.
BeepandAlarm
KeyboardBeep•Enabled
•Disabled
Enablesordisables
keyboardbeepwhen
unmanageablekey
combinationsarepressed.
SerialATA(SATA)SATAControllerMode
Option
•Compatibility
•AHCI
SelectsSATAcontroller
operationmode.Ifyou
select“Compatibility
mode,”SATAcontroller
operatesincompatibility
mode.
Securitymenuitems
Table5.Securitymenuitems
Menuitem
SubmenuitemSelectionComments
Password
Referto“Securitymenu”
onpage97
and“Using
passwords”onpage53
.
UEFIBIOSUpdateOptionFlashBIOSUpdatingby
End-Users
•Disabled
•Enabled
Ifyouselect“Enabled,”
alluserscanupdatethe
UEFIBIOS.Ifyouselect
“Disabled,”onlytheperson
whoknowsthesupervisor
passwordcanupdatethe
UEFIBIOS.
MemoryProtectionExecutionPrevention•Disabled
•Enabled
Somecomputerviruses
andwormscausememory
bufferstooverowby
runningcodewhereonly
dataisallowed.Ifthe
DataExecutionPrevention
featurecanbeusedwith
youroperatingsystem,then
byselecting“Enabled”you
canprotectyourcomputer
againstattacksbysuch
virusesandworms.Ifafter
choosing“Enabled”you
102UserGuide