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Removing the TPM/TCM
- If the private key of the TPM/TCM is used to encrypt data, back up the data before removing the TPM/TCM.
If the data is not backed up, the encrypted data cannot be decrypted after the TPM/TCM is replaced.
- If the TPM/TCM function has been set on the BIOS, record the settings before removing the TPM/TCM. After replacing the TPM/TCM, configure the related settings on the BIOS again.
For details, see the Huawei Atlas Server Purley Platform BIOS Parameter Reference.
- If a broken or disfigured screw is found on a TPM/TCM, take appropriate measures to protect data.
Procedure
- Power off the server.
For details, see Power-Off Procedure.
- Remove the power cables from the PSUs.
For details, see Removing PSU Cables.
- Remove the server.
For details, see Removing the Server.
- Place the server on the ESD workstation.
- Remove the chassis cover.
For details, see Removing the Chassis Cover.
- Determine whether a built-in drive module is configured.
- Remove the built-in drive module.
For details, see Removing the Built-in Drive Module.
- Determine the position of the TPM/TCM.Figure 8-109 Position of the TPM/TCM
- Remove the TPM/TCM.
- Loosen the screw on the TPM/TCM. See (1) in Figure 8-110.
- Remove the TPM/TCM from the mainboard. See (2) in Figure 8-110.
- Place the removed component in an ESD bag.
