IBM ThinkPad T40 Hardware Maintenance Manual page 136

Removing and replacing a FRU
(Bottom view)
Step Screw (quantity)
3
M2.5 × 4.8 mm (6)
(continued)
132
ThinkPad T40 Series (MT 2373, 2374, 2375, 2376)
3
3
Torque
0.392 Nm
(4 kgfcm)