Lenovo ThinkServer RD640 - Replacing the System Board Battery

5.Positionthenewsystemfanabovetheplacefortheremovedfailingsystemfansothatthesystemfan
connectoronthebottomofthenewsystemfanisfacingtherearofthechassis.Then,pressthenew
systemfanstraightdownuntilitisseatedintoplace.
Figure145.Installingthesystemfan
6.Ifyouareinstructedtoreturntheoldsystemfan,followallpackaginginstructionsanduseany
packagingmaterialsthataresuppliedtoyouforshipping.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletethereplacement,goto“Completingthepartsreplacement”onpage184.
Replacingthesystemboardbattery
Attention:Donotopenyourserverorattemptanyrepairbeforereadingandunderstanding“Safetyinformation”
onpageiiiand“Guidelines”onpage75.
Thistopicprovidesinstructionsonhowtoreplacethesystemboardbattery.
Yourserverhasaspecialtypeofmemorythatmaintainsthedate,time,andconfigurationinformationfor
built-infeatures.Thesystemboardbatterykeepstheinformationactivewhenyouturnofftheserver.The
systemboardbatterynormallyrequiresnochargingormaintenancethroughoutitslife;however,nobattery
lastsforever.Ifthesystemboardbatteryfails,thedate,time,andconfigurationinformation,including
passwords,arelostandanerrormessageisdisplayedwhenyouturnontheserver.
DANGER
Dangerofexplosionifbatteryisincorrectlyreplaced.
Whenreplacingthelithiumcoincellbattery,useonlythesameoranequivalenttypethatis
recommendedbythemanufacturer.Thebatterycontainslithiumandcanexplodeifnotproperly
used,handled,ordisposedof.
Donot:
•Throworimmerseintowater
174ThinkServerRD640UserGuideandHardwareMaintenanceManual