Lenovo ThinkCentre M55p Hardware Maintenance Manual

Chapter9.AdditionalServiceInformation
Thischapterprovidesadditionalinformationthattheservicerepresentativemightndhelpful.
Securityfeatures
Securityfeaturesinthissectionincludethefollowing:
•Passwords
•VitalProductData
•AlertonLAN™
HardwarecontrolledPasswords
HardwarecontrolledpasswordsaresetusingtheSetupUtilityprogram.Formoreinformationabout
passwords,see“Usingpasswords”onpage47
.
Operatingsystempassword
Anoperatingsystempasswordisverysimilartoapower-onpasswordanddeniesaccesstothecomputer
byanunauthorizeduserwhenthepasswordisactivated.Thecomputerisunusableuntilthepasswordis
enteredandrecognizedbythecomputer.
Vitalproductdata
EachcomputerhasauniqueVitalProductData(VPD)codestoredinthenonvolatilememoryonthesystem
board.Afteryoureplacethesystemboard,theVPDmustbeupdated.ToupdatetheVPD,see“Flash
updateprocedures”onpage375
.
BIOSlevels
AnincorrectlevelofBIOScancausefalseerrorsandunnecessaryFRUreplacement.Usethefollowing
informationtodeterminethecurrentlevelofBIOSinstalledinthecomputer,thelatestBIOSavailableforthe
computer,andwheretoobtainthelatestlevelofBIOS.
•CurrentLevelBIOSinformation
–RuntheSetupUtilitytodeterminethelevelofBIOSinstalled.
•SourcesforobtainingthelatestlevelBIOSavailable
1.Lenovosupportwebsite:
http://www.lenovo.com/think/support/
2.LenovoCustomerSupportCenter
3.Levels1and2Support
Toupdate(ash)theBIOS,see“Flashupdateprocedures”onpage375.
Flashupdateprocedures
Thissectiondetailshowtoash(update)theBIOS.
©CopyrightLenovo2008,2010
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Lenovo ThinkCentre M55p Specifications

General

Brand	Lenovo
Model	ThinkCentre M55p
Category	Desktop
Language	English