10.Installthefourscrewstosecurethenewheatsinkandfanassembly1onthesystemboard.Itis
recommendedthatyoucarefullyinstallthefourscrewsusingthefollowingmethodtoavoidanypossible
damagetothesystemboard.
a.Partiallytightenscrew1,thenfirmlytightenscrew3,andthenreturntoscrew1andfirmlytighten
it.Donotover-tightenthescrews.
b.Partiallytightenscrew2,thenfirmlytightenscrew4,andthenreturntoscrew2andfirmlytighten
it.Donotover-tightenthescrews.
Figure113.Installingthescrewstosecuretheheatsinkandfanassembly1
11.Connecttheheatsinkandfanassembly1cabletothemicroprocessor1fanconnectoronthesystem
board.See“Systemboardcomponents”onpage48
.
Note:Iftheheatsinkandfanassembly1cableislong,looselywrapit.
12.Ifyouareinstructedtoreturntheoldheatsinkandfanassembly1,followallpackaginginstructionsand
useanypackagingmaterialsthataresuppliedtoyouforshipping.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletethereplacement,goto“Completingthepartsreplacement”onpage185
.
Replacingthesystemboardbattery
Attention:Donotopenyourserverorattemptanyrepairbeforereadingandunderstanding“Safetyinformation”
onpageiiiand“Guidelines”onpage83.
Thistopicprovidesinstructionsonhowtoreplacethesystemboardbattery.
Yourserverhasaspecialtypeofmemorythatmaintainsthedate,time,andconfigurationinformationfor
built-infeatures.Thesystemboardbatterykeepstheinformationactivewhenyouturnofftheserver.The
systemboardbatterynormallyrequiresnochargingnormaintenancethroughoutitslife;however,nobattery
176ThinkServerTD340UserGuideandHardwareMaintenanceManual
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