Lenovo ThinkServer RD440 - Replacing the Coin-Cell Battery

5.Positionthenewsystemfanabovetheplacefortheremovedfailingsystemfansothatthesystemfan
connectoronthebottomofthenewsystemfanisfacingtherearofthechassis.Then,pressthenew
systemfanstraightdownuntilitisseatedintoplace.
Note:Installanewsystemfanassoonasyouremovethefailingone.
ID
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
PSU
Mem
CPU
Figure159.Installingthesystemfan
6.Ifyouareinstructedtoreturntheoldsystemfan,followallpackaginginstructionsanduseany
packagingmaterialsthataresuppliedtoyouforshipping.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletethereplacement,goto“Completingthepartsreplacement”onpage206
.
Replacingthecoin-cellbattery
Attention:Donotopenyourserverorattemptanyrepairbeforereadingandunderstanding“Safetyinformation”
onpageiii
and“Guidelines”onpage87.
Thistopicprovidesinstructionsonhowtoreplacethecoin-cellbattery.
Yourserverhasaspecialtypeofmemorythatmaintainsthedate,time,andconfigurationinformationfor
built-infeatures.Thecoin-cellbatterykeepstheinformationactivewhenyouturnofftheserver.The
coin-cellbatterynormallyrequiresnochargingormaintenancethroughoutitslife;however,nobatterylasts
forever.Ifthecoin-cellbatteryfails,thedate,time,andconfigurationinformation,includingpasswords,are
lostandanerrormessageisdisplayedwhenyouturnontheserver.
196ThinkServerRD440UserGuideandHardwareMaintenanceManual