Lenovo ThinkPad T431s Maintenance Manual page 79

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Removal steps of the PCH bracket
Step
Screw (quantity)
1
M2 × 6 mm, flat-head, nylon-coated (1)
The following components soldered on the top side of the system board is extremely sensitive. When you
service the system board, avoid any kind of rough handling.
a
CPU
b
Platform Controller Hub (PCH)
1
a
Color
Torque
Black
0.181 Nm
(1.85 kgf-cm)
.
Chapter 9
Removing or replacing a FRU
73

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