7 Remove the system cover.
8 Remove the air shroud.
9 Disconnect all the cables from the power interposer board (PIB).
CAUTION: To prevent damage to the power interposer board, you must remove the power supply module (s) from the system
before removing the power interposer board.
NOTE: Ensure that you note the routing of the cables as you remove them from the system board.
Steps
1 Press the blue release tab on the PIB to release it from the hook on the PSU cage.
2 Lift the board and slide it out at an angle to disengage the guide pins on the board.
Figure 122. Removing power interposer board
Next step
Replace the power interposer board.
Installing power interposer board
Prerequisites
1 Follow the safety guidelines listed in Safety instructions.
2 Power o the system and all attached peripherals.
3 Disconnect the system from the electrical outlet, and disconnect the peripherals.
4 Ensure that all internal cables are routed correctly and connected, and no tools or extra parts are left inside the system.
5 Open the drive bays, remove all drives, and then close the drive bays.
6 Remove the power supply units.
7 Remove the system from the rack and place it on an ESD work bench. For more information, see the Rail Installation Guide available at
www.dell.com/poweredgemanuals.
8 Remove the system cover.
148
Installing and removing system components
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