Lenovo ThinkPad Yoga 14 Series User Manual page 97

Table 4. Security menu items (continued)
Menu item
UEFI BIOS Update Option
Submenu item
Intel(R) TXT Feature
Physical Presence for
Provisioning
Physical Presence for
Clear
Flash BIOS Updating by
End-Users
Secure RollBack
Prevention
Selection Comments
Note: This item is available when
Security Chip is set as Active.
• Disabled Enable or disable the Intel Trusted
Execution Technology (TXT) feature.
• Enabled
Intel TXT is a hardware-based
security technology that establishes
a root of trust to protect information
from software-based attacks.
Note: The Intel (R) TXT Feature
item is only available on models that
support the Intel vPro™ technology.
• Disabled This option enables or disables
confirmation of a user physical
• Enabled
presence when provisioning the
security chip.
If you select Enabled, a user
confirmation screen will be
displayed when provisioning the
security chip.
If you select Disabled, no user
confirmation screen will be
displayed when provisioning the
security chip.
• Disabled This option enables or disables
confirmation of a user physical
• Enabled
presence when clearing the security
chip.
If you select Enabled, a user
confirmation screen will be
displayed when clearing the security
chip.
If you select Disabled, no user
confirmation screen will be
displayed when clearing the security
chip.
• Disabled If you select Enabled, all users can
update the UEFI BIOS. If you select
• Enabled
Disabled, only the person who
knows the supervisor password can
update the UEFI BIOS.
• Disabled If you select Disabled, you can flash
to an earlier version of the UEFI
• Enabled
BIOS.
If you select Enabled, you cannot
flash to an earlier version of the UEFI
BIOS.
Chapter 6
.
Advanced configuration
81