Lenovo ThinkPad T400 6474 Hardware Maintenance Manual page 130

Table 26. Removal steps of base cover, USB sub card with cable, and PC Card/ExpressCard
slots (or ExpressCard/Smart Card slots or ExpressCard/7-in-1 Media Card Reader slots)
bezel assembly (continued)
122
ThinkPad T400 and R400 Hardware Maintenance Manual
Remove the USB sub card with cable and the security hole bracket as in this
figure.
Step Screw (quantity)
M2 × 3.5 mm, flat-head, nylon-coated (3)
1
1
1
1
2
Color Torque
Black 0.167 Nm
(1.7 kgfcm)