TPM Toggling

Use this submenu to view the TPM information.

Table 1. Trusted Platform Module (TPM 2.0)
Submenu item	Description
TPM Firmware Version:	Show the TPM firmware version. CAUTION Change is effective after system reboot and physical presence confirmed. You can only switch TPM firmware 128 times.
Update to TPM 2.0 firmware version 7.2.1.0 Note If the current TPM version doesn’t support version toggling, this item will be hidden.	Selectable option. Press [Enter] to update to the TPM 2.0 firmware v7.2.1.0. Note Toggling between TPM 2.0 firmware v7.2.1.0 and TPM 1.2 firmware v7.4.0.0 is supported. In other words, you can update from v7.4.0.0 to v7.2.1.0, or downgrade from v7.2.1.0 to v7.4.0.0. The updated firmware will be effective after system reboot.
Update to TPM 2.0 firmware version 7.2.2.0 Note If the current TPM version doesn’t support version toggling, this item will be hidden.	Selectable option. Press [Enter] to update the TPM 2.0 firmware from 7.2.1.0 to 7.2.2.0. Note This action is irreversible. TPM 2.0 Firmware v7.2.1.0 can be updated to v7.2.2.0 , but TPM 2.0 Firmware v7.2.2.0 cannot be downgraded to v7.2.1.0 or earlier versions. TPM 2.0 cannot be downgraded to TPM 1.2. The updated firmware will be effective after system reboot.

Table 2. Trusted Platform Module (TPM 1.2)
Submenu item	Description
TPM Firmware Version:	Show the TPM firmware version. CAUTION Change is effective after system reboot and physical presence confirmed. You can only switch TPM firmware 128 times.
Update to TPM 1.2 firmware version 7.4.0.0 Note If the current TPM version doesn’t support version toggling, this item will be hidden.	Selectable option. Press [Enter] to update to the TPM 1.2 firmware v7.4.0.0. Toggling between TPM 2.0 firmware v7.2.1.0 and TPM 1.2 firmware v7.4.0.0 is supported. In other words, you can update from v7.4.0.0 to v7.2.1.0, or downgrade from v7.2.1.0 to v7.4.0.0. The updated firmware will be effective after system reboot.
Update to TPM 1.2 firmware version 7.4.0.1 Note If the current TPM version doesn’t support version toggling, this item will be hidden.	Selectable option. Press [Enter] to update the TPM 1.2 firmware from 7.4.0.0 to 7.4.0.1. Note This action is irreversible. TPM 1.2 Firmware v7.4.0.0 can be updated to v7.4.0.1, but TPM 1.2 Firmware v7.4.0.1 cannot be downgraded to v7.4.0.0 or earlier versions. The updated firmware will be effective after system reboot.

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