•
UEFI PXE Boot Priority
Values:
IPv4 First
, IPv6 First
Description: Select network stack priority for UEFI PXE boot. This menu is displayed only in
UEFI Only
boot mode or
Both
boot mode with
UEFI first
, when IPv6 and IPv4 stacks are both enabled.
•
MAC Address Pass Through
Values:
Disabled
, Enabled
Description: Enable or disable the MAC Address Pass Through function when a dock is attached. If you
select
Enabled
, the dock Ethernet will use the same MAC address as the internal Ethernet LAN. If you
select
Disabled
, the dock Ethernet uses its own MAC address.
Keyboard/Mouse
•
Enumerate Keyboard
Values:
Off
, On
Description: Enable or disable the USB keyboard in preboot environment if fast startup is enabled. If you
select
Off
, the USB keyboard will not work in preboot environment. If you select
On
, the USB Keyboard
works in preboot environment.
•
On Screen Keyboard
Values:
On
, Off
Description: Enable or disable On Screen Keyboard in preboot environment. If you select
Off
, On Screen
Keyboard is disabled. If you select
On
, On Screen Keyboard is enabled.
•
Tablet volume buttons are used for
Values:
Audio volume control
, Display brightness control
Description: If you select
Audio volume control
, the volume buttons are used to control the audio
volume. If you select
Display brightness control
, the volume buttons are used to control the display
brightness.
Display
•
Boot Display Device
Values:
ThinkPad LCD
, External Display
Description: Select the display device that you want to activate at boot time.
External Display
refers to an
external display attached to the USB Type-C connector or HDMI connector on your ThinkPad computer. If
multiple displays are attached, the boot screen appears on the first recognized one.
•
Total Graphics Memory
Values:
256 MB
, 512 MB
Description: Allocate the total memory which Intel internal graphics shares.
Note:
512 MB is selectable only when Thunderbolt (TM) 3 Security Level is set to Display Port and USB.
•
Boot Time Extension
Values:
Disabled
, 1 second, 2 seconds, 3 seconds, 5 seconds, 10 seconds
Description: During the boot process, the computer might not detect the external monitors that need more
time to get ready. Select how long you want to extend the boot process.
Power
•
Power On with AC Attach
Values:
Off
, On
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