System information
Table21.RemovalstepsofI/Oboard
1
2
3
StepScrew(quantity)Color
Torque
1
M2×4mm,wafer-head,nylon-coated(1)Silver
0.181Nm
(1.85kgfcm)
Wheninstalling:Makesurethattheconnectorisattachedrmly.
1130Systemboard,fanassembly,andbackupbattery
Importantnoticesforhandlingthesystemboard:
Whenhandlingthesystemboard,bearthefollowinginmind.
•Thesystemboardhasanaccelerometer,whichcanbebrokenbyapplyingseveralthousandsofG-forces.
Note:Droppingasystemboardfromaheightofaslittleas6inchessothatitfallsatonahardbench
cansubjecttheaccelerometertoasmuchas6,000G'sofshock.
•Becarefulnottodropthesystemboardonabenchtopthathasahardsurface,suchasmetal,wood,or
composite.
•Avoidroughhandlingofanykind.
Chapter8.RemovingandreplacingaFRU71










