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5288 V3 Server V100R003 User Guide 26

This document describes the features, appearance, and technical specifications of the 5288 V3 server, and how to install, power on, and power off the 5288 V3 server, connect cables, and install an operating system (OS) for it.
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Removing a CPU

Removing a CPU

Remove a CPU before replacing it with a new one.

Only the personnel authorized by Huawei and Huawei technical support can remove a CPU from a Huawei server. Do not wear ESD gloves to prevent damage to the pins on the CPU socket.


  1. Wear an ESD wrist strap. For details, see Safety Instructions.
  2. Determine the rack number and chassis number of the server to be removed, and label its panel to prevent misoperations.
  3. Power off the 5288 V3. For details, see Powering Off the Server.
  4. Remove all external cables such as power and network cables.
  5. Remove the 5288 V3 and put it on an ESD desktop. For details, see Removing the Server.
  6. Remove the chassis cover. For details, see Removing the Chassis Cover.
  7. Remove the air duct. For details, see Removing the Air Duct.
  8. Determine the position of the CPU on the 5288 V3. See Figure 7-69.

    Figure 7-69 CPU position

  9. Use a Phillips screwdriver to loosen one pair of diagonally opposite screws on the heat sink halfway and then loosen the other pair of screws. See step (1) in Figure 7-70.

    Figure 7-70 Removing the heat sink

  10. Lift the heat sink out of the server. See step (2) in Figure 7-70.
  11. Raise the securing rod near the or label. See step (1) in Figure 7-71.

    Do not use any tool or sharp object to lift the securing rod on the CPU socket. Otherwise, the sever may be damaged.

    Figure 7-71 Removing the CPU

  12. Raise the securing rod near the or label. See step (2) in Figure 7-71.
  13. Open the lid that fixes the CPU, and remove the CPU from the socket. See steps (3) and (4) in Figure 7-71.
  14. Place the removed CPU in an ESD bag.

    Ensure that CPU sockets are populated with CPUs or CPU protection caps during transportation and storage.

  15. (Optional) Install a CPU protection cap.

    1. Close the CPU socket cover. See step (1) in Figure 7-72.
      Figure 7-72 Installing a CPU protection cap

    2. Hold the CPU protection cap horizontally, aligning its edges with those of the CPU socket, and fit the protection cap securely onto the socket. See step (2) in Figure 7-72.

      An ill-positioned CPU protection cap may damage the pins in the corners of the CPU socket.

    3. Close the securing rods. See steps (3) and (4) in Figure 7-72.

  16. Place the removed CPU in an ESD bag.
Updated: 2018-11-26

Document ID: EDOC1000080031

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