IBM X23 - Manual (Page 87)

For X22, X23, X24
1
Step Screw (quantity) Torque
1 M2 × 3.5mm,
Nylock-coated (2) Silver
19.6 Ncm (2 kgfcm)
3
44
5
4
3
When installing: Make sure that you fasten the connector
firmly.
Chapter 3. ThinkPad X20, X21, X22, X23, X24 83