IBM X21 User Manual
Thin
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4
1
3
2
4a
Step
Screw (quantity)
Torque
4a
M2
× 3.5mm (2)
Nylock-coated Silver
19.6 Ncm (2 kgfcm)
1100 Fan assembly
v Battery pack (1010)
v Keyboard assembly (1050)
v Keyboard assembly (1050)
For X20, X21
Step
Screw (quantity)
Torque
1
M2
× 3mm (4) White
19.6 Ncm (2 kgfcm)
1a
M2
× 6mm, Nylock-coated
(1) BK
19.6 Ncm (2 kgfcm)
72
ThinkPad X20, X21, X22, X23, X24