Lenovo ThinkPadP50, User Manual

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Table 3. Security menu items (continued)
Menu item Submenu item Value Comments
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.
If you change from Intel PTT to Discrete TPM ,
a message pops up that all encryption keys will
be cleared in the security chip. If you want to
continue, select
Yes .
If you change from Discrete TPM to Intel PTT , a
message pops up that all encryption keys will be
cleared in the security chip. Intel AMT and Intel
TXT are disabled when the security chip is set
to
Intel PTT . If you want to continue, select Yes .
Note: Intel PTT can be used with the Windows
8 or later operating system.
• Active
• Inactive
• Disabled
If you select Active , the security chip is
functional. If you select Inactive , the security
chip is visible, but it is not functional. If you
select
Disabled , the security chip is hidden and
it is not functional.
Note: This item is displayed when Security Chip
Selection is set to Discrete TPM .
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 it is not functional.
Note: This item is displayed when Security Chip
Selection is set to Intel PTT .
Clear Security Chip • Enter Clear the encryption key.
Note: This item is displayed only if you have
selected Active or Enabled for the Security
Chip option.
Intel TXT Feature • Disabled
• Enabled
Enable or disable Intel Trusted Execution
Technology. Intel Trusted Execution Technology
is a hardware based security foundation to
build and maintain a chain if trust, to protect
information from software based attacks.
Note:
This item is displayed when Security Chip is set
to
Active and Security Chip Selection is set to
Discrete TPM .
Intel TXT Feature
* Unselectable when
Intel PTT is enabled. • Disabled Unselectable when Intel PTT is enabled.
Note:
This item is displayed when Security Chip is set
to
Enabled and Security Chip Selection is set
to Intel PTT .
Security Chip
Chapter 6
.
Advanced configuration
77