Using the System Setup Program and UEFI Boot Manager 45System Security ScreenOption DescriptionTPM Security(Off default)Sets the reporting of the Trusted Platform Module(TPM) in the system.If Off, the presence of the TPM is not reported to theoperating system.If On with Pre-boot Measurements, the system reportsthe TPM to the operating system and stores the pre-bootmeasurements to the TPM during POST.If On without Pre-boot Measurements, the systemreports the TPM to the operating system and bypassespre-boot measurements.TPM Activation When set to Activate, the TPM is enabled to defaultsettings. When set to Deactivate, the TPM is disabled.The No Change state initiates no action. The operationalstate of the TPM remains unchanged (all user settings forthe TPM are preserved).NOTE: This field is read-only when TPM Security is set toOff.TPM Clear CAUTION: Clearing the TPM will lose all encryptionkeys in the TPM. This option prevents booting to theoperating system and results in data loss if theencryption keys cannot be restored. Back up the TPMkeys prior to enabling this option.When set to Yes, all TPM contents are cleared.NOTE: This field is read-only when TPM Security is setto Off.Intel (R) TXT(Disabled default)Enables/disables Trusted Execution Technology. Toenable TXT, enable & activate VT & TPM with prebootmeasurement.System Password(Not Enabled default)Displays the current status of the password securityfeature and allows a new system password assignment andverification.NOTE: See "Using the System Password" on page 49 formore information.