Owners Manual

Next steps
1. Install the replacement power interposer board and connect all the required cables to the system board and the hard drive
backplane.
2. Install the internal hard drive cage.
3. Install the internal hard drive carrier.
4. If applicable, install the PCIe expansion card riser.
5. If applicable, connect the required power or data cables to the expansion card(s).
6. Reinstall the cooling shroud.
7. If applicable open the expansion card latch on the cooling shroud to secure the full length expansion card.
8. Follow the procedure listed in the After working inside your system section.
Related references
Safety instructions on page 53
Related tasks
Before working inside your system on page 53
Removing the cooling shroud on page 59
Removing the (optional) 2.5 inch internal hard drive carrier on page 76
Removing the (optional) 2.5 inch internal hard drive cage on page 81
Removing the dual riser module (optional) on page 92
Removing the internal PERC riser on page 94
Installing the internal PERC riser on page 95
Installing the dual riser module (optional) on page 93
Installing the power interposer board on page 120
Installing the (optional) 2.5 inch internal hard drive cage on page 83
Installing the (optional) 2.5 inch internal hard drive carrier on page 78
Installing the cooling shroud on page 60
After working inside your system on page 54
Installing the power interposer board
Prerequisites
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.
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 cooling shroud.
NOTE: If applicable, close the expansion card latch on the cooling shroud to release the full length card.
4. If applicable, disconnect the power or data cables from expansion card (s).
5. If applicable, remove the expansion card riser
6. Remove the internal hard drive carrier.
7. Remove the internal hard drive cage.
Steps
1. Align the locking slots on the power interposer board with the hooks on the power supply cage and slide it into place.
2. Route the power cables as applicable, and connect the power cables to the system board and hard drive backplane.
3. Install the power supply module(s) in their original locations.
120
Installing and removing system components