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RH5885 V3 Server V100R003 User Guide 32

This document describes the appearance, specifications, parameters, and structure of the RH5885 V3, and how to install an OS, replace parts, and install, remove, configure, and troubleshoot the server.
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Removing the Mainboard

Removing the Mainboard

  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 data.

    The exported configuration data can be used to quickly restore the server configuration 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.
    • After mainboard replacement, you can directly import the iBMC and BIOS configuration data exported from the iBMC. 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 is inaccessible or the iBMC and BIOS configuration data is 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. Power off the server. For details, see Powering On and Off the RH5885 V3. Remove all power cables.
  5. Remove the chassis cover of the RH5885 V3. For details, see Removing the Chassis Cover.
  6. Remove the air duct of the RH5885 V3. For details, see Removing the Air Duct.
  7. Remove the beam of the RH5885 V3. For details, see Removing the Beam.
  8. Remove the riser card. For details, see Removing the Riser Card.
  9. Remove all PCIe cards from the mainboard. For details, see Removing a PCIe Card.
  10. Remove all DIMMs from the mainboard. For details, see Removing a DIMM.
  11. Remove all CPUs from the mainboard. For details, see Removing a CPU.
  12. Removed the intelligent battery backup unit (iBBU) or supercapacitor if it is configured. For details, see Removing a Battery or Supercapacitor.
  13. Remove the RAID controller card. For details, see Removing the RAID Controller Card.
  14. Remove the FlexIO card. For details, see Removing the FlexIO Card.
  15. Remove the BMC card. For details, see Removing the BMC Card.
  16. Remove the TPM. For details, see Removing the TPM or TCM.
  17. Remove all cables from the mainboard. The cables include those connecting to the hard disk backplane and the left and right mounting ears. Figure 2-7 shows the positions of the ports on the mainboard.
  18. Wear an ESD wrist strap or ESD gloves. For details, see Safety Instructions.
  19. Loosen the two screws on the mainboard using a Phillips screwdriver. See step (1) in Figure 5-79.

    Figure 5-79 Removing the mainboard

  20. Hold the handle on the mainboard to pull it in the arrow direction. See step (2) in Figure 5-79.
  21. Hold the handle to lift the mainboard out of the RH5885 V3. See step (3) in Figure 5-79.

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

  22. Place the removed mainboard in an ESD bag.

    NOTE:

    Before putting the mainboard into an ESD bag, check that a CPU cover is installed on a vacant CPU socket. For details about how to install a CPU cover, see Removing a CPU.

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Updated: 2019-10-21

Document ID: EDOC1000040297

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