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Dell EMC PowerEdge R940xa Installation and Service Manual

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Installing the backplane

Prerequisites

  1. Follow the safety guidelines listed in Safety instructions.
  2. Follow the procedure listed in Before working inside your system.
  3. Disconnect the cables.
    1. If applicable, disconnect the slimline SAS, I2C, and power cables to the backplane.
    2. Disconnect the I2C and power cables to the system board.
  4. Remove the drives.
  5. Remove the support bar.
  6. Remove the air shrouds.
  7. Remove the cooling fan assembly.

Steps

  1. Align the slots on the lower backplane with the guides on the system by holding the blue release tabs.
  2. Press the lower backplane until the release tabs snap into place.
    Figure 1. Installing the lower backplane

    Installing the bottom backplane

  3. Align the slots on the backplane with the guides on the system by holding the blue release tabs.
  4. Tighten the two thumb screws on secure the backplane expander board in place.
    Figure 2. Installing the backplane expander board

    Installing the backplane

Next steps

  1. Connect the cables.
    1. If applicable, connect the slimline SAS, I2C, and power cables to the backplane.
    2. Connect the I2C and power cables to the system board.
  2. Replace the cooling fan assembly.
  3. Replace the air shrouds.
  4. Replace the support bar
  5. Replace the drives.
  6. Follow the procedure listed in After working inside your system.

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