Lenovo ThinkPad Yoga - Manual (Page 102)

Table 6. Security menu items (continued)
Menu item Submenu item Selection Comments
Intel(R) TXT Feature • Disabled
• Enabled
Enable or disable the Intel Trusted
Execution Technology (TXT) feature.
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.
Physical Presence for
Provisioning • Disabled
• Enabled
This option enables or disables
confirmation of a user physical
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.
Physical Presence for
Clear • Disabled
• Enabled
This option enables or disables
confirmation of a user physical
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.
Flash BIOS Updating by
End-Users • Disabled
• Enabled
If you select Enabled, all users can
update the UEFI BIOS. If you select
Disabled, only the person who
knows the supervisor password can
update the UEFI BIOS. UEFI BIOS Update Option
Secure RollBack
Prevention • Disabled
• Enabled
If you select Disabled, you can flash
to an earlier version of the UEFI
BIOS.
If you select Enabled, you cannot
flash to an earlier version of the UEFI
BIOS.
Note: This item is set as Disabled
by default when the OS Optimized
Defaults on the Restart menu is
set as Disabled. This item is set
86 User Guide