Lenovo ThinkSystem SR635 - Page 212

(Optional) Toggle the TPM version
Use this topic to toggle the TPM version.
The following table lists the supported upgrade paths with different UEFI firmware versions and processors.
Ensure that you have installed the corresponding UEFI firmware version before toggling the TPM firmware to
a certain version.
UEFI firmware Processor TPM 1.2 <-> TPM 2.0
(7.4.0.0<->7.2.1.0)
1
TPM 1.2 upgrade
(7.4.0.0->7.4.0.1)
TPM 2.0
upgrade
(7.2.1.0->7.2.2.0)
Before v5.3.0 7002 series
√
2
v5.3.0 7002 series
√
3
v6.0.0 and later 7002 series
√
3
√
3
v6.0.0 and later 7003 series
√
3
1. Supports a maximum of 128 times toggling.
2. Toggling between TPM 1.2 and TPM 2.0 (7.4.0.0<->7.2.1.0) is supported when the server model is configured
with the following at the same time:
• UEFI firmware before v5.3.0 installed.
• 7002 series processors installed.
• Original TPM firmware version is either 7.4.0.0 or 7.2.1.0.
3. Once the TPM firmware version has been upgraded, it cannot be rolled back.
Recommended tools:
Lenovo XClarity Essentials OneCLI commands
Using Lenovo XClarity Essentials OneCLI commands
Use the following commands to toggle the TPM firmware version.
TPM 1.2 (7.4.0.0) -> TPM 1.2 (7.4.0.1):
OneCli.exe config set TrustedComputingGroup.DeviceOperation "Update to TPM 2.0 firmware version 7.4.0.1"
-–bmc userid:password@ip_address
TPM 2.0 (7.2.1.0) -> TPM 1.2 (7.2.2.0):
OneCli.exe config set TrustedComputingGroup.DeviceOperation "Update to TPM 2.0 firmware version 7.2.2.0"
-–bmc userid:password@ip_address
TPM 2.0 (7.2.1.0) -> TPM 1.2 (7.4.0.0):
OneCli.exe config set TrustedComputingGroup.DeviceOperation "Update to TPM1.2 compliant"
-–bmc userid:password@ip_address
TPM 1.2 (7.4.0.0) -> TPM 2.0 (7.2.1.0):
OneCli.exe config set TrustedComputingGroup.DeviceOperation "Update to TPM2.0 compliant"
-–bmc userid:password@ip_address
where:
202 ThinkSystem SR635 Maintenance Manual