Computer Hardware User Manual

Chapter10.AdditionalServiceInformation

Thischapterprovidesadditionalinformationthattheservicerepresentativemightndhelpful.

Securityfeatures

Securityfeaturesinthissectionincludethefollowing:

•Passwords

•VitalProductData

•ManagementInformationFormat(MIF)

HardwarecontrolledPasswords

HardwarecontrolledpasswordsaresetusingtheSetupUtilityprogram.Formoreinformationabout

passwords,see“Usingpasswords”onpage39

Operatingsystempassword

Anoperatingsystempasswordisverysimilartoapower-onpasswordanddeniesaccesstothecomputer

byanunauthorizeduserwhenthepasswordisactivated.Thecomputerisunusableuntilthepasswordis

enteredandrecognizedbythecomputer.

Vitalproductdata

EachcomputerhasauniqueVitalProductData(VPD)codestoredinthenonvolatilememoryonthesystem

board.Afteryoureplacethesystemboard,theVPDmustbeupdated.ToupdatetheVPD,see“Updating

(ashing)BIOSfromaCD-ROMordiskette”onpage139

BIOSlevels

AnincorrectlevelofBIOScancausefalseerrorsandunnecessaryFRUreplacement.Usethefollowing

informationtodeterminethecurrentlevelofBIOSinstalledinthecomputer,thelatestBIOSavailableforthe

computer,andwheretoobtainthelatestlevelofBIOS.

•TodeterminethecurrentLevelofBIOS:

–StarttheSetupUtility.

–SelectSystemInformationontheMainsetupscreen.

•SourcesforobtainingthelatestlevelBIOSavailable

1.Lenovosupportwebsite:http://www.lenovo.com/support/

2.LenovoCustomerSupportCenter

3.Levels1and2Support

Toupdate(ash)theBIOS,see“Updating(ashing)BIOSfromaCD-ROMordiskette”onpage139.

Updating(ashing)BIOSfromaCD-ROMordiskette

Thissectiondescribeshowtoupdate(ash)theBIOSusingaCD-ROMordiskette.systemprogramupdates

areavailableathttp://www.lenovo.com/supportontheWorldWideWeb.

1.Toupdate(ash)theBIOS:

139