Power interposer board
The power interposer board (PIB) is a board that connects the redundant power supply units (PSUs) to the system board. The PIB is
only supported in systems with redundant PSUs.
Removing the power interposer board
Prerequisites
CAUTION: Many repairs may only be done by a certied service technician. You should only perform troubleshooting and
simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support
team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety
instructions that are shipped with your product.
NOTE: The power interposer board is present only in systems that support redundant power supplies.
1. Follow the safety guidelines listed in Safety instructions section.
2. Follow the procedure listed in the Before working inside your system section.
3. Remove the power supply units from the system.
Steps
1. Disconnect the power distribution cables from the system board.
2. Remove the two screws securing the power interposer board (PIB) to the chassis.
3. Holding the PIB, lift it slightly to disengage it from the screw holes.
4. Slide the PIB toward the back of the chassis and lift it out of the chassis.
Figure 102. Removing the power interposer board
1.
standos (2) 2. 10 pin cable to hard drive backplane
3. power interposer board 4. screw (2)
5. 28 pin cable to system board 6. 4 pin cable to system board
7. 8 pin cable to system board
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