Chapter12.Additionalserviceinformation
Thischapterprovidesadditionalinformationthattheservicerepresentativemightfindhelpful.
Securityfeatures
Securityfeaturesinthissectionincludethefollowing:
•Passwords
•VitalProductData
•ManagementInformationFormat(MIF)
Hardwarecontrolledpasswords
HardwarecontrolledpasswordsaresetusingtheSetupUtilityprogram.Formoreinformationabout
passwords,see“Usingpasswords”onpage57.
Operatingsystempassword
Anoperatingsystempasswordisverysimilartoapower-onpasswordanddeniesaccesstothecomputer
byanunauthorizeduserwhenthepasswordisactivated.Thecomputerisunusableuntilthepasswordis
enteredandrecognizedbythecomputer.
Vitalproductdata
EachcomputerhasauniqueVitalProductData(VPD)codestoredinthenonvolatilememoryonthesystem
board.Afteryoureplacethesystemboard,theVPDmustbeupdated.ToupdatetheVPD,see“Flash
updateprocedures”onpage239.
BIOSlevels
AnincorrectlevelofBIOScancausefalseerrorsandunnecessaryFRUreplacement.Usethefollowing
informationtodeterminethecurrentlevelofBIOSinstalledinthecomputer,thelatestBIOSavailableforthe
computer,andwheretoobtainthelatestlevelofBIOS.
•TodeterminethecurrentLevelofBIOS:
–StarttheSetupUtility.
–SelectMainmenu.
•SourcesforobtainingthelatestlevelBIOSavailable
1.Lenovosupportwebsite:http://www.lenovo.com/support/
2.LenovoCustomerSupportCenter
3.Levels1and2Support
Toupdate(flash)theBIOS,see“Flashupdateprocedures”onpage239.
Note:BIOSsettingsvarybyoperatingsystem.ChangetheBIOSsettingsbeforeinstallinganewoperating
system.See“ChangingtheBIOSsettingsbeforeinstallinganewoperatingsystem”onpage62
.
Flashupdateprocedures
Thissectiondetailshowtoflash(update)theBIOS.
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