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Remove the system board

Use this information to remove the system board.

Removing and installing this component requires trained technicians. Do no attempt to remove or install it without proper training.
Before removing the system board:
  1. Read Safety and Installation Guidelines to ensure that you work safely.

  2. Record all system configuration information, such as Lenovo XClarity Controller IP addresses, vital product data, and the machine type, model number, serial number, Universally Unique Identifier, and asset tag of the server.

  3. Use the Lenovo XClarity Essentials OneCLI to save the system configuration to external media.

  4. Save the system-event log to external media.

    When replacing the system board, always update the server with the latest firmware or restore the pre-existing firmware. Make sure that you have the latest firmware or a copy of the pre-existing firmware before you proceed.
  5. Turn off the server. Disconnect the power cords and all external cables (see Power off the server).

  6. If server is installed in a rack, remove the server from the rack.

  7. Remove the top cover (see Remove the top cover).

To remove the system board, complete the following steps:

  1. Remove the following components that are installed on the system board and put them in a safe, static-protective place.
  2. Remove all eight screws that secure the system board to the chassis.
    Figure 1. System-board screws location
    System-board screws location
  3. Slightly lift up the front side of the system board; then, slide the system board toward the front of the server and lift it out of the server.
    Figure 2. System board removal
    System board removal
Before you return the system board, make sure that you install the CPU socket covers from the new system board. To replace a CPU socket cover:
  1. Insert the new system board into the chassis with an angle and install all the screws, see Install the system board.

  2. Take a socket cover from the CPU socket assembly on the new system board and orient it correctly above the CPU socket assembly on the removed system board.

  3. Gently press down the socket cover legs to the CPU socket assembly, pressing on the edges to avoid damage to the socket pins. You might hear a click on the socket cover is securely attached.

  4. Make sure that the socket cover is securely attached to the CPU socket assembly.

If you are instructed to return the component or optional device, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.