Dell E28S Series, Owner'S Manual, Page: 181 / 220

Figure 98 Installing the control panel module—eight hard-drive chassis (continued)
b. screw (2)
c. control panel module connector cable
d. display module cable
After you finish
Follow the procedure listed in the After working inside your system section.
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
Before you begin
CAUTION Many repairs may only be done by a certified 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 (PIB) is present only in systems that support redundant
power supply units (PSUs).
1. Follow the safety guidelines listed in the Safety instructions section.
2. Follow the procedure listed in the Before working inside your system section.
3. Remove the PSUs from the system.
4. Keep the Phillips #2 screwdriver ready.
Procedure
1. Disconnect the power distribution cables from the system board.
2. Disconnect the fan cable.
3. Remove the two screws securing the PIB to the chassis and lift the board out of the chassis.
Installing and removing system components
Dell PowerEdge R430 Owner's Manual 181