Lenovo ThinkPad S540 Hardware Maintenance Manual page 91

Step Screw (quantity)
5
M2.0 × 5 mm, flat-head, nylon-coated (2)
6
M2.5 × 5 mm, flat-head, nylon-coated (6)
Color Torque
0.181 Nm
Silver
(1.85 kgf-cm)
Black 0.392 Nm
(4.0 kgf-cm)
.
Chapter 9 Removing or replacing a FRU
85