IBM ThinkPad R40 2681 Hardware Maintenance Manual page 118

Removing and replacing a FRU
For machine type 2684, 2685
Step Screw (quantity)
1
M2.5 × 6 mm, Yellow (2)
1 + 1a M2.5 × 6 mm, Yellow (3)
114
ThinkPad R40
1
1a
1
2
1
Torque
0.294 Nm
(3 kgfcm)
0.294 Nm
(3 kgfcm)