Hardware Maintenance Manual

2
4
3
StepScrew(quantity)Color
Torque
2
M2×3mm,flat-head,nylon-coated(1)Silver
0.181Nm
(1.85kgf-cm)
1150Systemboard
Importantnoticesforhandlingthesystemboard
Whenhandlingthesystemboard,readthefollowing:
Thesystemboardhasanaccelerometer,whichcanbebrokenwhenseveralthousandsofG-forces
areapplied.
Note:Droppingasystemboardfromaheightofaslittleas6inchessothatitfallsflatonahardbench
cansubjecttheaccelerometertoasmuchas6,000G'sofshock.
Becarefulnottodropthesystemboardonabenchtopthathasahardsurface,suchasmetal,wood,or
composite.
Avoidroughhandlingofanykind.
Ateverypointintheprocess,besurenottodroporstackthesystemboard.
Ifyouputasystemboarddown,besuretoputitonlyonapaddedsurfacesuchasanESDmatora
corrugatedconductivematerial.
Foraccess,removetheseFRUsinorder:
“1010Bottomcover”onpage57
“1020WirelessLANcard”onpage58
“1030WirelessWANcardonpage59
“1040M.2solid-statedrive”onpage61
“1050Memorymodule”onpage63
“1060Built-inbatteries”onpage64
“1070Coin-cellbattery”onpage65
“1080Thermalfanassembly”onpage65
“1110Speakerassembly”onpage68
Thefollowingcomponentssolderedonthetopsideofthesystemboardisextremelysensitive.Whenyou
servicethesystemboard,avoidanykindofroughhandling.
72ThinkPadT460sHardwareMaintenanceManual