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Table 35. Removal steps of system board and magnesium structure frame
4
1
1
2
2
3
Step Screw (quantity) Color
Torque
1
Hex stud, nylon-coated (2) Silver
0.392 Nm
(4.0 kgfcm)
2
M2 × 7 mm, wafer-head, nylon-coated (2) Silver
0.181 Nm
(1.85 kgfcm)
3
M2 × 3 mm, wafer-head, nylon-coated (1) Silver
0.181 Nm
(1.85 kgfcm)
When installing When you replace the system board, attach thermal rubbers as shown in this gure. 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.
b
c
d
a
Chapter 9. Removing and replacing a FRU 95