Lenovo ThinkPad T450s, User Manual, Page: 99 / 185

Table 4. Security menu items (continued)
Menu item Submenu item Value Comments
Predesktop
Authentication • Disabled
• Enabled
Enable or disable fingerprint authentication
before the operating system is loaded.
Reader Priority • External ➙
Internal
• Internal Only
If External ➙ Internal is selected, an external
fingerprint reader is used if attached. Otherwise,
an internal fingerprint reader is used. If
Internal
Only is selected, an internal fingerprint reader
is used.
Security Mode • Normal
• High
If fingerprint authentication fails, you still can
start the computer by entering a password. If
you have selected
Normal , enter a power-on
password or a supervisor password; if you have
selected
High , enter a supervisor password.
Password
Authentication • Disabled
• Enabled
Enable or disable password authentication. This
item is available when high security mode is
selected.
Fingerprint
Reset Fingerprint
Data • Enter This option is used to erase all fingerprint data
stored in the fingerprint reader and reset settings
to the factory state. As a result, any power-on
security features previously enabled will not be
able to work until they are re-enabled in the
fingerprint software.
Security Chip
Selection
• Discrete TPM
• Intel PTT
If you select Discrete TPM , you can use a
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 8.1 or later
operating system.
• Active
• Inactive
• Disabled
(For Discrete TPM)
If you select Active , the security chip is
functional. If you select Inactive , the Security
Chip is visible, but the security chip is not
functional. If you select Disabled , the Security
Chip is hidden and the security chip is not
functional.
Security Chip
• Enabled
• Disabled
(For Intel PTT)
If you select Enabled , the security chip is
functional. If you select Disabled , the security
chip is hidden and not functional.
Security Reporting
Options This option is a used to enable or disable the
following Security Reporting Options:
• 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
• Enabled
Enable or disable the Intel Trusted Execution
Technology.
Note: This item is displayed only if you have
selected Active for the Security Chip option.
Security Chip
Chapter 6
.
Advanced configuration
83