Lenovo P70, User Manual

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Table 3. Security menu items (continued)
Menu item Submenu item Value Comments
Security Chip
• 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 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 .
• 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
* Unselectable when
Intel PTT is enabled.
• Disabled
• Enabled
Enable or disable Intel Trusted Execution
Technology.
Notes:
• This item is displayed only if you have
selected Active or Enabled for the
Security Chip option.
• This is set to disabled when Intel PTT is
enabled.
Physical Presence
for Provisioning
• Disabled
• Enabled
This option enables or disables the
confirmation message when you change the
settings of the security chip.
Physical Presence
for Clear
• Disabled
• Enabled
This option enables or disables the
confirmation message when you clear the
security chip.
UEFI BIOS Update
Option 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.
Secure RollBack
Prevention
• Disabled
• Enabled
If you select Disabled , you can flash the
earlier version UEFI BIOS.
Memory Protection Execution
Prevention
• Disabled
• Enabled
Some computer viruses and worms cause
memory buffers to overflow. By selecting
Enabled you can protect your computer
against attacks by such viruses and worms. If
after choosing
Enabled you find that a
program does not run correctly, select
Disabled and reset the setting.
Virtualization Intel Virtualization
Technology
• Disabled
• Enabled
If you select Enabled , a Virtual Machine
Monitor (VMM) can utilize the additional
hardware capabilities provided by Intel
Virtualization Technology.
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P70 User Guide