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Remove the system board

Use this information to remove the system board.

About this task

Attention

  • This task must be operated by trained technicians that are certified by Lenovo Service. Do not attempt to remove or install the part without proper training and qualification.

  • Read Installation Guidelines and Safety inspection checklist to ensure that you work safely.

  • Power off the server and peripheral devices and disconnect the power cords and all external cables. See Power off the server.

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

  • Touch the static-protective package that contains the component to any unpainted metal surface on the server; then, remove it from the package and place it on a static-protective surface.

Procedure

  1. Make preparations for this task.
    1. 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.
    2. Save the system configuration to an external device with Lenovo XClarity Essentials.
    3. Save the system event log to external media.
    4. Remove the top cover. See Remove the top cover.
    5. Remove the air baffle. See Remove the air baffle.
    6. Disconnect the backplate or the backplane cables from the system board. See Backplane and backplate cable routing.
    7. Disconnect the M.2 boot adapter cables from the system board. See M.2 boot adapter cable routing.
    8. Remove the PCIe riser assembly. See Remove the PCIe riser assembly.
    9. Disconnect the fan cables from the system board. See Fan cable routing.
    10. Disconnect the front I/O module cables from the system board. See Front I/O module cable routing.
    11. Remove the memory modules. See Remove a memory module.
    12. Remove the heat sink. See Remove the heat sink.
    13. Remove the processor. See Remove the processor.
    14. Remove the firmware and RoT security module. See Remove the firmware and RoT security module
  2. Remove all eight screws that secure the system board to the chassis.
    Figure 1. System-board screws location
    System-board screws location
    Note
    • The order and locations of screws removal:
      between the SATA connectors and the system power connector the lower right side
      near the CMOS battery the upper left side
      near NMI button the upper right side
      near front USB 3.0 / 2.0 header the lower left side

    • For reference, the torque which is required for the screws to be fully tightened or removed is 5.0 +/- 0.5 lb-in.

  3. Slightly lift up the front side of the system board; then, slide the system board towards the front of the server and lift it out of the server.
    Figure 2. System board removal
    System board removal

After you finish

  1. Install a replacement unit. See Install the system board.

  2. 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.

    Important
    Before you return the system board, make sure that you install the processor socket covers from the new system board. To replace a processor socket cover:

    1. Insert the new system board into the chassis. See Install the system board.

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

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

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

Demo video

Watch the procedure on YouTube