Lenovo ThinkStation C20 - Chapter 11. Additional Service Information; Security Features; Hardware-Controlled Passwords; Operating System Password

Chapter11.Additionalserviceinformation
Thischapterprovidesadditionalinformationthattheservicerepresentativemightndhelpful.
Securityfeatures
Securityfeaturesinthissectionincludethefollowing:
•Passwords
•VitalProductData
•ManagementInformationFormat(MIF)
Hardware-controlledpasswords
Hardware-controlledpasswordsaresetusingtheSetupUtilityprogram.Formoreinformationabout
passwords,see“Usingpasswords”onpage37
.
Operatingsystempassword
Anoperatingsystempasswordisverysimilartoapower-onpasswordanddeniesaccesstothecomputer
byanunauthorizeduserwhenthepasswordisactivated.Thecomputerisunusableuntilthepasswordis
enteredandrecognizedbythecomputer.
Vitalproductdata
EachcomputerhasauniqueVitalProductData(VPD)codestoredinthenonvolatilememoryonthesystem
board.Afteryoureplacethesystemboard,theVPDmustbeupdated.ToupdatetheVPD,see“Updating
(ashing)theBIOS”onpage229
.
BIOSlevels
AnincorrectlevelofBIOScancausefalseerrorsandunnecessaryFRUreplacement.Usethefollowing
informationtodeterminethecurrentlevelofBIOSinstalledinthecomputer,thelatestBIOSavailableforthe
computer,andwheretoobtainthelatestlevelofBIOS.
•TodeterminethecurrentLevelofBIOS:
–StarttheSetupUtilityprogram.
•SourcesforobtainingthelatestlevelBIOSavailable
1.Lenovosupportwebsite:http://www.lenovo.com/support
2.LenovoCustomerSupportCenter
3.Levels1and2Support
Toupdate(ash)theBIOS,see“Updating(ashing)theBIOS”onpage229.
Updating(ashing)theBIOS
ThissectionprovidesinstructionsonhowtoupdatetheBIOSforyourcomputer.
Updating(ashing)theBIOSfromadisc
Thissectionprovidesinstructionsonhowtoupdate(ash)theBIOSfromadisc.
©CopyrightLenovo2010,2012
229