Installing The System BoardCAUTION: Many repairs may only be done by a certified service technician. You should only performtroubleshooting and simple repairs as authorized in your product documentation, or as directed by the online ortelephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by yourwarranty. Read and follow the safety instructions that came with the product.1. Unpack the new system board assembly.2. Holding the system board by the system board handle and the system board holder, angle it toward the back of thechassis.3. Slide the system board toward the back of the chassis, until the CMC connectors align with the chassis slots.4. Align the system board with the guide pins on the chassis and lower it into the chassis.5. Lower the system board handle until it engages with the securing pins on the chassis.6. Tighten the spring-loaded screw on the system board handle to secure it to the chassis.7. Replace the following:a) integrated storage controller cardb) CMC cardsc) power distribution boardd) PCIe cagee) hard-drive backplanef) backplane expander boardg) cooling-fan assemblyh) cooling shroud8. Reconnect all cables to the system board.9. Close the system.10. If applicable, place the system upright on a flat, stable surface and rotate the system feet outward.11. Reinstall the following:a) hard drivesb) server modulesc) power supplies12. Reconnect the enclosure to its electrical outlet and turn the enclosure on, including any attached peripherals.13. Turn on the server modules using the operating system commands or the CMC.14. If applicable, install the front bezel.15. Import your new or existing iDRAC Enterprise license. For more information, seeiDRAC7 User's Guide, at dell.com/support/manuals.Power Pass-Through BoardThe power pass-through board supplies power from the power distribution board to the enclosure midplane.127
