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Removal steps of system board and magnesium structure frame
1
2
2
5
3
4
4
Step Screw (quantity) Color
Torque
2
Hex stud, nylon-coated (2) Silver
0.392 Nm
(4.0 kgf-cm)
3
M2 × 3 mm, wafer-head, nylon-coated (1) Silver
0.181 Nm
(1.85 kgf-cm)
4
M2 × 7 mm, wafer-head, nylon-coated (2) Silver
0.181 Nm
(1.85 kgf-cm)
When installing: When you replace the system board, attach thermal rubbers as shown in the following
illustration. Depending on the models you are servicing, the number of thermal rubbers are different. Check
the thermal rubbers on the old system board, and nd duplicates of them in the new FRU package and
apply them to the new system board.
Chapter 10. Removing or replacing a FRU 105