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1. power supply connectors (4)
2. connector to system board
3. power pass-through board connector
Installing The Power Distribution Board
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 came with the product.
1. Align the screw holes on the PDB with the screw holes on the PDB bracket.
2. Install the three screws to secure the PDB to the bracket.
3. Holding it by the handle, position the PDB bracket so that the two PDB edge connectors align with the connectors
on the system board and the power pass-through board.
4. Aligning the slot on the PDB bracket with the metal standoffs on the chassis wall, slide the PDB into the connectors
until firmly seated.
When firmly seated, the spring-loaded screw on the PDB bracket aligns with the screw hole on the power supply
cage.
5. Tighten the spring-loaded screw to secure the PDB bracket to the power supply cage.
6. Close the system.
7. If applicable, place the system upright on a flat, stable surface and rotate the system feet outward.
8. Reinstall the power supplies.
9. If removed, reinstall the hard drives and server modules.
10. Reconnect the enclosure to its electrical outlet and turn the enclosure on, including any attached peripherals.
11. Turn on the server modules using the operating system commands or the CMC.
12. If applicable, install the front bezel.
System Board
Removing The System Board
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 came with the product.
CAUTION: If you are using the Trusted Program Module (TPM) with an encryption key, you may be prompted to
create a recovery key during program or System Setup. Be sure to create and safely store this recovery key. If you
replace this system board, you must supply the recovery key when you restart your system or program before you
can access the encrypted data on your hard drives.
1. If installed, remove the front bezel.
2. Turn off the server modules using the operating system commands or the CMC.
3. Turn off the enclosure, including any attached peripherals, and disconnect the enclosure from the electrical outlet.
4. Remove the following:
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