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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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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Installing a CPU

Installing a CPU

Install a CPU to replace the original one.

Only the personnel authorized by Huawei and Huawei technical support can install a CPU on 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. Remove the CPU to be replaced. For details, see Removing a CPU.
  3. Take the spare CPU out of its ESD bag.
  4. Before installing CPUs, ensure that CPU sockets do not have bent pins and are free from foreign objects.

    If a CPU socket has bent pins or foreign objects, stop installing the CPU and contact Huawei technical support.

  5. Before installing a CPU or heat sink, use tissue to clean up the oil, remaining thermal compound, or foreign objects on their surfaces.
  6. Determine the area on the CPU for contacting the heat sink, and paste 0.4 ml of thermal compound on the area.


    The thermal compound injector has volume marks.

    You can paste thermal compound using any of the six methods shown in Figure 7-73 Dual-line, five-point, and S-shape, and cross pasting methods are recommended.

    Figure 7-73 Pasting methods

  7. Use a clean card to smear the thermal compound over the entire center of the CPU.

    The thermal compound layer is as thick as a common piece of paper. Figure 7-74 shows the smeared thermal grease layer. Ensure that the thermal compound is evenly and fully painted.

    Figure 7-74 Smeared thermal compound layer

  8. Hold the CPU horizontally, align it with the CPU socket, and place the CPU vertically downwards into the socket. See step (1) in Figure 7-75.

    Figure 7-75 Installing a CPU
    • To prevent damage to the CPU, CPU socket, or mainboard, ensure that the securing rod on the CPU socket is fully open before you install the CPU in the socket.
    • When you close the securing rod, do not exert excessive force or touch any components and gild pins on the CPU.
    • Do not move the CPU if it is not correctly placed to avoid any twisted pins. Lift the CPU until it is out of the socket, and then place it in the socket properly.

  1. Align the triangle mark on the CPU with the triangle mark on the CPU socket to ensure that the CPU is properly installed. Figure 7-76 shows a CPU that is incorrectly placed.

    Figure 7-76 Wrong way to place a CPU

  2. Close the cover that secures the CPU. See step (2) in Figure 7-75.
  3. Lower the securing rod near the or label. See step (3) in Figure 7-75.
  4. Lower the securing rod near the or label. See step (4) in Figure 7-75.
  5. Align the screws on the heat sink with the fastening studs on the CPU base, and place the heat sink on the CPU. See step (1) in Figure 7-77.

    Figure 7-77 Installing a heat sink

  6. Use a Phillips screwdriver to tighten one pair of diagonally opposite screws on the heat sink halfway and then tighten the other pair of screws. See step (2) in Figure 7-77.
  7. Install the air duct. For details, see Installing the Air Duct.
  8. Install the chassis cover. For details, see Installing the Chassis Cover.
  9. Install the 5288 V3. For details, see Installing the Server.
  10. Connect all internal cables such as power and network cables. For details, see Connecting External Cables.
  11. Power on the 5288 V3. For details, see Powering On the Server.
Updated: 2018-11-26

Document ID: EDOC1000080031

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