Table 3. Security menu items (continued)
Menu item
Submenu item
Value
Comments
Intel (R) SGX Intel SGX Control
• Disabled
• Enabled
• Software
Controlled
This option enables or disables Intel Software
Guard Extensions (SGX) function.
Disabled: Disables SGX.
Enabled: Enables SGX.
Software Controlled: Software Guard
Extensions will be controlled by the operating
system.
Change Owner
EPOCH
Change Owner EPOCH to a random value. This
option is used for clear user data of SGX.
Device Guard Device Guard
• Disabled
• Enabled
This option is used to support Microsoft Device
Guard. When this option is enabled, Intel
Virtualization Technology, Intel VT-d Feature,
Secure Boot, and OS Optimized Defaults are
automatically enabled. Boot order is not
selectable, and the computer only starts from
the internal storage drive. To complete the
configuration of Device Guard, you have to set a
supervisor password.
When this option is disabled, the setup options
are configurable and you can choose any boot
options to start the computer.
Startup menu
To change the startup settings of your computer, select the Startup tab from the ThinkPad Setup menu.
Attention:
• After you change the startup sequence, ensure that you select a correct device during a copy, a save, or a
format operation. Otherwise your data might be erased or overwritten.
• If you are using the BitLocker drive encryption, do not change the startup sequence. BitLocker drive
encryption locks the computer from starting once detects the change of startup sequence.
To change the startup sequence temporarily so that the computer starts from a desired drive, do the
following:
1. Turn off the computer.
2. Turn on the computer. When the logo screen is displayed, press F12.
3. Select the device that you want the computer to start from.
Note: The Boot menu will be displayed if the computer cannot start from any devices or the operating
system cannot be found.
The following table lists the Startup menu items. Default values are in boldface. The menu items might
change without notice. Depending on the model, the default value might vary.
Note: Some items are displayed on the menu only if the computer supports the corresponding features.
82
P50 User Guide
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