Computer Hardware User Manual

Installingthesecondmicroprocessor
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Important
SafetyInformation”onpage1.
Thistopicprovidesinstructionsonhowtoinstallthesecondmicroprocessor.
Dependingonthemodel,yourcomputermightcomewithoneortwomicroprocessors.Forcomputer
modelswithonemicroprocessor,themicroprocessorisinstalledinthemicroprocessorsocket1andthe
microprocessorsocket2isprotectedbyaplasticsocketcover.Youcanpurchaseamicroprocessoroption
kitfromLenovoandinstallthesecondmicroprocessortoexpandsystemcapabilities.
CAUTION:
Theheatsinkandmicroprocessormightbeveryhot.Turnoffthecomputerandwait
threetoveminutestoletthecomputercoolbeforeremovingthecomputercover.
Notes:
•Ensurethatyouinstallthecorrecttypeofmicroprocessoroptionyourcomputersupports.Whentwo
microprocessorsareinstalled,bothmustbeidentical.
•Asecondheatsinkandfanassemblyisalsorequired.Ensurethatyouhavethisassemblyavailable
beforestartingtheinstallation.
•Useanydocumentationthatcomeswiththemicroprocessoroptionkitandfollowthoseinstructionsin
additiontotheinstructionsinthistopic.
•Yourmicroprocessor,socket,andsocketcovermightlookslightlydifferentfromtheillustrationsinthis
topic.
Toinstallthesecondmicroprocessor,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Removethecomputercover.See“Removingthecomputercover”onpage64.
3.Placethecomputeronitssidetogaineasieraccesstothesystemboard.
4.Locatethemicroprocessorsocket2onthesystemboard.See“Locatingpartsonthesystemboard”
onpage58.
Chapter10.ReplacingFRUs91