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CH222 Compute Node V100R001 User Guide 18

This document describes the appearance, functions, structure, and installation, removal, and configuration methods of the CH222 compute node.
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Removing the Mainboard and Compute Node Case

Removing the Mainboard and Compute Node Case

This topic describes how to remove a mainboard and compute node case.

Scenarios

Remove all components of the faulty mainboard.

Figure 5-90 Positions of the mainboard and the compute node case
NOTE:

Replace the mainboard and compute node case together.

Prerequisites

Conditions

  • You have read Safety Instructions.
  • If the mainboard needs to be replaced, record the following information:
    • Record the version numbers of the iMana 200, BIOS, and CPLD. For details, see Checking the CH222.
    • Record the BIOS configuration if it is customized.
    • Record the compute node IP address and iMana 200 configurations.
      NOTE:

      iMana 200 configurations may involve the iMana firmware version, alarms, power control, local users, LDAP, networks, services, system, boot options, SSL certificates, and remote control. For details about how the query the configurations, see E9000 Server V100R001 iMana 200 User Guide.

  • If a compute node is installed in the E9000 chassis, remove it by referring to Removing the CH222.
  • Place the compute node carefully on an electrostatic discharge (ESD) surface.

Data

Data preparation is not required for this operation.

Tools

  • Electrostatic discharge (ESD) wrist strap.
  • M3 Phillips screwdriver.
  • Packing materials, for example, ESD bag.

Procedure

  1. Removing a Hard Disk. For details, see Removing a Hard Disk.
  2. Removing the Cover. For details, see Removing the Cover.
  3. Removing an iBBU. For details, see Removing an iBBU.
  4. Removing a PCIe Card. For details, see Removing a PCIe Card.
  5. Removing a DIMM and an Air Duct. For details, see Removing a DIMM and an Air Duct.
  6. Removing a TPM. For details, see Removing a TPM.
  7. Removing a USB Flash Card. For details, see Removing a USB Flash Card.
  8. Removing a CPU and heat sink. For details, see Removing a CPU.
  9. Removing the mezzanine cards. For details, see Removing the Mezz Modules.
  10. Removing a RAID Controller Card. For details, see Removing a RAID Controller Card.
  11. Removing a USB Flash Drive. For details, see Removing a USB Flash Drive.
  12. Place the removed mainboard and compute node case in an ESD bag.

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

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Updated: 2019-08-16

Document ID: EDOC1000018075

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