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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).
Removing the Mainboard

Removing the Mainboard

Remove the mainboard before replacing it with a new one.

Procedure

  1. Confirm the iBMC and BIOS configurations with the customer for quick recovery after replacing the motherboard.
  2. Log in to the iBMC and record the firmware (iBMC, BIOS, and CPLD) versions of the mainboard to be replaced. (Choose Information > System Info > Mainboard Info on the iBMC WebUI or run the ipmcget -d version command on the iBMC CLI.)
  3. (Optional) Export the iBMC and BIOS configuration files. Then you can quickly restore the configurations of the server by importing the iBMC and BIOS configuration files after the mainboard is replaced. For details, see Import/Export in the Huawei Rack Server iBMC User Guide.

    NOTE:
    • iBMC 2.32 and later versions support the import and export of configuration files.
    • The original iBMC and BIOS configuration files exported from the iBMC can be directly imported after the mainboard replacement. However, the exported configuration files do not contain password information. You need to manually configure the password for the iBMC user. For details, see Import/Export in the Huawei Rack Server iBMC User Guide.
    • If the iBMC of the mainboard to be replaced cannot be logged in or the iBMC and BIOS configuration files are not exported before the mainboard is replaced, you need to manually configure the iBMC and BIOS after replacing the mainboard.
    • The iBMC and BIOS configuration files exported from the iBMC contain configuration items. For details, see "Configuration File Description" in the Huawei Rack Server iBMC User Guide.

  4. Wear an ESD wrist strap. For details, see Safety Instructions.
  5. Determine the rack number and chassis number of the server to be removed, and label its panel to prevent misoperations.
  6. Power off the 5288 V3. For details, see Powering Off the Server.
  7. Remove all external cables such as power and network cables.
  8. Remove the 5288 V3 and put it on an ESD desktop. For details, see Removing the Server.
  9. Remove the chassis cover. For details, see Removing the Chassis Cover.
  10. Remove the supercapacitor if it is installed. For details, see Removing the Supercapacitor (RAID Controller Card).
  11. Remove the riser cards. For details, see Removing the Riser Card.
  12. Remove the air duct. For details, see Removing the Air Duct.
  13. Remove all fan modules. For details, see Removing a Fan Module.
  14. Press and hold down the latches on both sides of a fan module bracket, and lift the bracket. Use the same method to lift the other fan module bracket. See steps (1) and (2) in Figure 7-82.

    Figure 7-82 Removing a fan module bracket

  15. Remove all cables from the mainboard. For details, see Internal Cabling.

    Remove the FFC cable to avoid cable damage caused by the removal of the mainboard frame. See Figure 7-83. If the FFC cable is damaged, the server cannot work.

    Figure 7-83 Removing an FFC cable

  16. Remove all DIMMs. For details, see Removing a DIMM.
  17. Remove all CPUs from the mainboard. For details, see Removing a CPU.
  18. Remove the RAID controller card. For details, see Removing the RAID Controller Card from the Mainboard.
  19. Remove the flexible NIC. For details, see Removing the flexible NIC.
  20. Remove all PSUs. For details, see Removing a PSU.
  21. Lift the PSU backplane. See Figure 7-84.

    Figure 7-84 Removing a PSU backplane

  22. Open the latch in arrow direction (1), and remove the cable guide in arrow direction (2). See Figure 7-85.

    Figure 7-85 Removing a cable guide

  23. Loosen the screw on the mainboard using a Phillips screwdriver. See step (1) in Figure 7-86.

    Figure 7-86 Removing a mainboard

  24. Push the mainboard in the arrow direction until it does not move, and lift the mainboard out of the 5288 V3 by holding the handle. See step (2) in Figure 7-86.

    Do not hold any other protruding part of the mainboard to lift it. Otherwise, the components on the mainboard may be damaged.

  25. Place the removed mainboard in an ESD bag.

    Before putting the mainboard into an ESD bag, ensure that a CPU protection cap has been installed on a vacant CPU socket. For details about how to install a CPU protection cap, see Removing a CPU.

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Updated: 2018-11-26

Document ID: EDOC1000080031

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