Lenovo ThinkPad T430u User Manual page 110

Table 5. Security menu items (continued)
Menu item
UEFI BIOS Update Option
94
User Guide
Submenu item
Clear Security Chip
Physical Presence for
Provisioning
Physical Presence for Clear
®
Intel TXT Feature
Flash BIOS Updating by
End-Users
Secure Rollback Prevention
Selection
Enter
• Disabled
• Enabled
• Disabled
• Enabled
• Disabled
• Enabled
• Disabled
• Enabled
• Disabled
• Enabled
Comments
• CMOS Reporting:
Record CMOS data in
the report.
• NVRAM Reporting:
Store security data in the
Asset ID.
• SMBIOS Reporting:
Record SMBIOS data in
the report.
Clears the encryption key.
Note: This option is only
available when the security
chip is activated.
This option enables or
disables the display of
confirmation message
when you attempt to
change the settings of the
security chip.
This option enables or
disables the display of
confirmation message
when you attempt to clear
the settings of the security
chip.
Enable or disable Intel
Trusted Execution
Technology.
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.
If you select Enabled, it
enables users to update
the UEFI BIOS to the older
version. If you select
Disabled, user will not be
able to update the UEFI
BIOS to the older version.