User Guide
1120Systemboardandfanassembly
Importantnoticesforhandlingthesystemboard:
Whenhandlingthesystemboard,bearthefollowinginmind.
•Thesystemboardhasanaccelerometer,whichcanbebrokenbyapplyingseveralthousandsofG-forces.
Note:Droppingasystemboardfromaheightofaslittleas6inchessothatitfallsatonahardbenchcansubject
theaccelerometertoasmuchas6,000G'sofshock.
•Becarefulnottodropthesystemboardonabenchtopthathasahardsurface,suchasmetal,wood,orcomposite.
•Avoidroughhandlingofanykind.
•Ateverypointintheprocess,besurenottodroporstackthesystemboard.
•Ifyouputasystemboarddown,besuretoputitonlyonapaddedsurfacesuchasanESDmatorconductive
corrugatedmaterial.
Foraccess,removetheseFRUsinorder:
•“1010Batterypack”onpage64
•“1020Bottomslotcover”onpage65
•“1030DIMM”onpage67
•“1040Harddiskdrive(HDD)”onpage68
•“1050PCIExpressMiniCardforwirelessLAN”onpage70
•“1060PCIExpressMiniCardforwirelessWAN”onpage72
•“1070Keyboard”onpage74
•“1080Topcaseassemblyandmicrophonemodule”onpage77
•“1090Backupbattery”onpage81
•“1100Bluetoothdaughtercard(BDC-2)”onpage82
•“1110Speakerassembly”onpage83
Chapter8.RemovingandreplacingaFRU85