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Dell PowerEdge FX2 and FX2s Enclosure Owner's Manual

PDF

Removing the midplane assembly

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 came with the product.
NOTE: This is a field replaceable unit (FRU). Removal and installation procedures should be performed only by Dell certified service technicians.
NOTE: You must remove the midplane assembly to replace a faulty assembly.
  1. Ensure that you read the Safety instructions.
  2. Follow the procedure listed in Before working inside your system.
  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 applicable

Steps

  1. 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.
    Figure 1. Removing and installing midplane assembly components
    This figure shows removing and installing midplane assembly components.
    1. midplane
    2. fan-cable clip (2)
    3. screw (2)
    4. Mylar insulator
  4. Remove the five screws that secure the midplane assembly to the system.
    Figure 2. Removing and installing the midplane
    This figure shows removing and installing the midplane.
    1. KVM cable
    2. midplane
    3. control panel cable
    4. midplane assembly screw (5)
    5. cable cover
    6. power bus bar
    7. power interposer board
  5. Remove the screws that secure the cable tube on the left side of the chassis.
  6. Remove the control panel cable from the cable tube.
  7. Remove the screws on the front of the KVM panel that secure the KVM panel board.
  8. Remove the screws that secure the KVM cover.
  9. Remove the screws that secure the cable tube on the right side of the chassis.
  10. Place the cable tube on the chassis without removing the KVM panel cable and the KVM panel.
  11. Lift the midplane assembly from the system and place it on top of the chassis.
    NOTE: Exercise care when removing midplane assembly and placing it on the chassis, to prevent any damage to the KVM and control panel cables.
    Figure 3. Removing and installing the cable tubes
    This figure shows removing the cable tubes on the sides of the chassis.
    1. screw on the KVM cover
    2. KVM panel cover
    3. Hex screw on the KVM panel (2)
    4. KVM panel board
    5. cable tube on the left side of the chassis
    6. screws on the cable tubes (6)
    7. tabs on the cable tubes
    8. control panel cable
    9. KVM panel cable
    10. cable tube on the right side of the chassis
  12. Push the KVM cable latch vertically up to disconnect the cable from the connector on the midplane.
  13. Disconnect the control panel cable connector from the connector on the midplane.
    Figure 4. Routing of the KVM and control panel cables on the midplane
    This figure shows routing of the KVM and control panel cables on the midplane.
    1. KVM cable connector
    2. KVM cable
    3. brackets on the midplane assembly to route the KVM cable
    4. control panel cable
    5. brackets on the midplane assembly to route the control panel cable
    6. control panel cable connector
    7. connector on the midplane
  14. Lift the midplane assembly out of the system.

Next steps

  1. Install the midplane assembly.

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