StepScrew(quantity)Color
Torque
2
M2×4mm,wafer-head,nylon-coated(2)Silver
0.181Nm
(1.85kgfcm)
Wheninstalling:
Makesurethattheconnectorisattachedrmly.
1120Systemboard,fanassembly,andbackupbattery
Importantnoticesforhandlingthesystemboard:
Whenhandlingthesystemboard,bearthefollowinginmind.
•Thesystemboardhasanaccelerometer,whichcanbebrokenbyapplyingseveralthousandsofG-forces.
Note:Droppingasystemboardfromaheightofaslittleas6inchessothatitfallsatonahardbench
cansubjecttheaccelerometertoasmuchas6,000G'sofshock.
•Becarefulnottodropthesystemboardonabenchtopthathasahardsurface,suchasmetal,wood,or
composite.
•Avoidroughhandlingofanykind.
•Ateverypointintheprocess,besurenottodroporstackthesystemboard.
•Ifyouputasystemboarddown,besuretoputitonlyonapaddedsurfacesuchasanESDmator
conductivecorrugatedmaterial.
Note:Thefanassemblyandthebackupbatteryareattachedtothesystemboard.
70HardwareMaintenanceManual