Lenovo ThinkPad X1 Yoga User Manual page 84

Beep and Alarm
• Password Beep
Values: Disabled, Enabled
Descriptions: Enable or disable a beep when the computer is waiting for a power-on, hard disk, or
supervisor password. Different beeps remind you that the password you entered is right or wrong.
• Keyboard Beep
Values: Disabled, Enabled
Descriptions: Enable or disable a beep when unmanageable key combinations are pressed.
Thunderbolt(TM) 3
• Wake by Thunderbolt(TM) 3
Values: Disabled, Enabled
Descriptions: Enable or disable Wake Feature with Thunderbolt(TM) 3 Port. If you select Enabled, the
battery life during the low power status might become shorter.
• Security level
Values: No Security, User Authorization, Secure Connect, Display Port and USB
Descriptions: Select the security level. If you select Display Port and USB, only DisplayPort-compatible
devices and USB-compatible devices can be supported through the USB-C/Thunderbolt 3 connector.
Thunderbolt devices will not be supported.
• Thunderbolt(TM) device
Values: Disabled, Enabled
Descriptions: Enable or disable pre-OS support for Thunderbolt(TM) devices attached to the Thunderbolt
(TM) 3 port. To use a device in the pre-boot environment, authorize it in the operating system or set the
Security level to No Security. To boot from a device, configure it by selecting Startup ➙ Boot.
• USB device
Values: Disabled, Enabled
Descriptions: Enable or disable pre-OS support for USB devices attached to the Thunderbolt (TM) 3 port.
To use a device in the pre-boot environment, authorize it in the operating system or set the Security level
to No Security. To boot from a device, configure it by selecting Startup ➙ Boot.
Intel AMT
• Intel (R) AMT Control
Values: Disabled, Enabled, Permanently Disabled
Descriptions: If you select Enabled, Intel AMT (Active Management Technology) is configured and
additional setup items are provided in MEBx (Management Engine BIOS Extension) Setup. If you select
Permanently Disabled, you can never enable it again. Be cautious when you make the selection.
Note: You can enter the MEBx Setup menu by pressing Ctrl+P in the Startup Interrupt Menu window. To
display the Startup Interrupt Menu window, press Enter during the power-on self-test (POST).
• USB Key Provisioning
Values: Disabled, Enabled
Descriptions: This option enables or disables USB key provisioning.
• CIRA Timeout
Values: 0–255
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