Installing a PCIe module on page 46Installing an I/O module on page 44Installing the CMC module on page 42Installing a power supply unit on page 51Installing a storage sled on page 39Installing a compute sled on page 36Related informationRemoving the top interposer module on page 65Midplane assemblyThe midplane assembly includes the midplane, power interposer board, power cable, and bus bar.Removing the midplane assemblyPrerequisitesCAUTION: 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 byyour warranty. Read and follow the safety instructions that came with the product.NOTE: This is a field replaceable unit (FRU). Removal and installation procedures should be performed only by Dell certifiedservice technicians.NOTE: You must remove the midplane assembly to replace a faulty assembly.1. Ensure that you read the Safety instructions on page 33.2. Follow the procedure listed in Before working inside your system on page 33.3. Remove the following:● sleds● power supplies● CMC module● I/O module(s)● system cover● cooling fans● cooling-fan cage● PCIe modules and PCIe switch board, if applicable● fan interface board, if applicable● interposer module(s), if applicableSteps1. Lift the Mylar insulator from the midplane.2. Remove the two fan cables connected to the midplane.3. Remove the two screws that secure the fan cable clips to the system.Installing and removing PowerEdge FX2/FX2s enclosure components 69
