Tray 4 159
Controller board
1 Remove the following FRUs:
• Center back cover. See page 153.
• Left back cover. See page 153.
2 Unplug eleven connectors (callout 1).
Figure 110. Controller board (1 of 2)
3 Remove two screws (callout 2).
4 Release two holding pins (callout 3).
5 Remove the controller board from tray 4.
Figure 111. Controller board (2 of 2)
2
1
2
2
3
2
2
3
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