User's Manual

Electronicemissionsnotices
ForelectronicemissioninformationonClassBdigitaldevices,refertothecorrespondinginformationin
theUserGuide.
Trademarks
ThefollowingtermsaretrademarksofLenovointheUnitedStates,othercountriesorboth:
ActiveProtectionSystem
Lenovo
ThinkLight
ThinkPad
ThinkVantage
TrackPoint
Ultrabay
UltraNav
ThefollowingtermsaretrademarksofMicrosoftCorporationintheUnitedStates,othercountries,orboth:
Windows
WindowsVista
ThefollowingtermsaretrademarksofIntelCorporationoritssubsidiariesintheUnitedStates,other
countries,orboth:
Intel
IntelCentrino
IntelCore
Othercompany,product,orservicenamesmaybethetrademarksorservicemarksofothers.
168ThinkPadT520,T520i,andW520HardwareMaintenanceManual