ThinkPad Edge E540 - 1150 System Board

Removalstepsofthemicroprocessor
Rotatetheheadofthescrewinthedirectionshownbythearrow1toreleasethelock;thenremovethe
microprocessor2.
2
1
3
Wheninstalling:Placethemicroprocessorabovethemicroprocessorsocket,andthenrotatetheheadof
thescrewinthedirectionshownbythearrow3tosecurethemicroprocessor.
1150Systemboard
Importantnoticesforhandlingthesystemboard:
Whenhandlingthesystemboard,readthefollowing:
•Thesystemboardhasanaccelerometer,whichcanbebrokenwhenseveralthousandsofG-forcesareapplied.
Note:Droppingasystemboardfromaheightofaslittleas6inchessothatitfallsatonahardbenchcansubject
theaccelerometertoasmuchas6000G'sofshock.
•Becarefulnottodropthesystemboardonabenchtopthathasahardsurface,suchasmetal,wood,orcomposite.
•Avoidroughhandlingofanykind.
•Ateverypointintheprocess,besurenottodroporstackthesystemboard.
•Ifyouputasystemboarddown,besuretoputitonlyonapaddedsurfacesuchasanESDmatoracorrugated
conductivesurface.
Foraccess,removetheseFRUsinorder:
•“1020Batterypack”onpage65
•“1030Largebottomcover”onpage66
88HardwareMaintenanceManual