Lenovo THINKPAD L520 - Updating Your System BIOS

Table5.Securitymenuitems(continued)
Function
SelectionComments
Computrace
ComputraceModuleActivation
•Enabled
•Disabled
•PermanentlyDisabled
EnablesordisablestheBIOSinterfacetoactivate
Computracemodule.Computraceisanoptional
monitoringservicefromAbsoluteSoftware.
Note:IfyousettheComputracemoduleactivation
to“PermanentlyDisabled,”youwillbeunableto
enablethissettingagain.
Startupmenuitems
Table6.Startupmenuitems
Function
SelectionComments
BootReferto“Startupmenu”onpage140.
NetworkReferto“Startupmenu”onpage140.
BootMode
•Quick
•Diagnostics
Note:Youcanalsoenter
the“Diagnostic”modeby
pressingEscduringPOST.
ScreenduringPOST:
•Quick:ThinkPadLogoscreenisdisplayed.
•Diagnostics:Testmessagesaredisplayed.
BeepatPOSTcompletion:
•Quick:No.Soundonerrorcaseonly
•Diagnostics:Yes.Alwayssounds.
“Ctrl-S”promptforon-boardEthernet:
•Quick:No.
•Diagnostics:Yes.
MemorytestingduringPOST:
•Quick:Quicktest(ornotest).
•Diagnostics:Fulltest.
TestingotherdevicesduringPOST:
•Quick:Minimumtest(ornotest).
•Diagnostics:Canperformnecessarytestingfor
criticaldevices
OptionKeysDisplay
•Enabled
•Disabled
Ifyouselect“Disabled,”the“Tointerruptnormal
startup,pressthebluebutton.”messageisnot
displayedduringPOST.
BootDeviceListF12Option
•Enabled
•Disabled
Ifyouselect“Enabled,”theF12keyisrecognized
andtheBootMenuisdisplayed.
UpdatingyoursystemBIOS
Thebasicinput/outputsystem(BIOS)isapartofthesystemprogramsthatmakeupthebasiclayerof
softwarebuiltintoyourcomputer.BIOStranslatestheinstructionsfromothersoftwarelayers.
Yourcomputersystemboardhasamodulecalledelectricallyerasableprogrammableread-onlymemory
(EEPROM,alsoreferredtoasashmemory).YoucanupdateBIOSandtheConguration/SetupUtility
148UserGuide