Lenovo ThinkPad P51 User Manual page 92

Description: If you select Enabled, security chip is functional. If you select Disabled, security chip is
hidden and is not functional.
• Security Chip (for TPM 1.2)
Values: Active, Inactive, Disabled
Descriptions: If you select Active, security chip is functional. If you select Inactive, security chip is visible,
but is not functional. If you select Disabled, the security chip is hidden and is not functional.
• Security Reporting Options
– SMBIOS Reporting
Values: Disabled, Enabled
Descriptions: Enable or disable the feature that reports the SMBOS data. This option is displayed only if
Security Chip is Enabled.
• Clear Security Chip
Descriptions: Use this option to clear the encryption key. It will not be possible to access already-
encrypted data after these keys are cleared.
• Intel (R) TXT Feature:
Values: Disabled, Enabled
Descriptions: Enable or disable the Intel Trusted Execution Technology.
• Physical Presence for Provisioning
Values: Disabled, Enabled
Descriptions: Enable or disable the confirmation message when you change the settings of the security
chip.
• Physical Presence for Clear
Values: Disabled, Enabled
Descriptions: If this option is enabled, a confirmation message is displayed when you clear the security
chip.
UEFI BIOS Update Option
• Flash BIOS Updating by End-Users
Values: Disabled, Enabled
Descriptions: When this option is enabled, all users can update the UEFI BIOS. If you disable this option,
only the person who knows the supervisor password can update the UEFI BIOS.
• Secure RollBack Prevention
Values: Disabled if OS Optimized is disabled, Enabled if OS Optimized is enabled.
Descriptions: When this option is disabled, you can flash the UEFI BIOS to earlier version.
• Windows UEFI Firmware Update
Values: Disabled, Enabled
Descriptions: This option enables or disables Windows UEFI Firmware Update feature. When this option is
enabled, Windows UEFI Firmware Update is allowed. If you disable this option, Windows UEFI Firmware
Update will be skipped.
Memory Protection
• Execution Prevention
Values: Disabled, Enabled
74
P51 User Guide