Lenovo 20AQ004JUS, 20AQ006HUS manual Security menu items continued, Menu item

Table 5. Security menu items (continued)

Menu item	Submenu item	Value		Comments
				able to work until they are re-enabled in the
				fingerprint software.
Security Chip	Security Chip	•	Discrete TPM	If you select Discrete TPM, you can use a
	Selection	•	Intel PPT	discrete TPM chip with TPM 1.2 mode. If you
				select Intel PTT, you can use Intel Platform
				Trusted technology (PTT) with TPM 2.0 mode.
				Note:
				Intel PTT can be used with Windows 8 or later
				operating system.
	Security Chip	•	Active	If you select Active, the security chip is
		•	Inactive	functional. If you select Inactive, the Security
				Chip option is visible, but the security chip
		•	Disabled
				is not functional. If you select Disabled, the
				Security Chip option is hidden and the security
				chip is not functional.
	Security Reporting			This option is available when Security Chip
	Options			is active. It is used to enable or disable the
				following Security Reporting Options:
				• BIOS ROM String Reporting (Windows 7) or
				UEFI ROM String Reporting (Windows 8):
				BIOS text string
				• CMOS Reporting: CMOS data
				• NVRAM Reporting: Security data stored in
				the Asset ID
				• SMBIOS Reporting: SMBIOS data
	Clear Security Chip	•	Enter	Clear the encryption key.
				Note: This item is displayed only if you have
				selected Active for the Security Chip option.
	Intel TXT Feature	•	Disabled	Enable or disable the Intel Trusted Execution
		•	Enabled	Technology.
				Note: This item is displayed only if you have
				selected Active for the Security Chip option.
	Physical Presence	•	Disabled	Enable or disable the confirmation message
	for Provisioning	•	Enabled	when you change the settings of the security
				chip.
	Physical Presence	•	Disabled	Enable or disable the confirmation message
	for Clear	•	Enabled	when you clear the security chip.
UEFI BIOS Update	Flash BIOS Updating	•	Disabled	If you select Enabled, all users can update the
Option	by End-Users	•	Enabled	UEFI BIOS. If you select Disabled, only the
				person who knows the supervisor password can
				update the UEFI BIOS.
	Secure RollBack	•	Disabled	If you select Disabled, you can flash the older
	Prevention	•	Enabled	version UEFI BIOS.

Chapter 8. Advanced configuration 109