Dell XPS 13 9340 Owner's Manual page 90

Table 41. System setup options—Preboot Behavior menu
Preboot Behavior
Adapter Warnings
Enable Adapter Warnings
Warnings and Errors
USB-C Warnings
Enable Dock Warning Messages
Extend BIOS POST Time
MAC Address Pass-Through
Sign of Life
Early Logo Display
Early Keyboard Backlight
Table 42. System setup options—Virtualization menu
Virtualization Support
Intel Virtualization Technology
Enable Intel Virtualization Technology (VT)
VT for Direct I/O
Enable Intel VT for Direct I/O
Intel Trusted Execution Technology
(TXT)
Enable Intel Trusted Execution Technology
(TXT)
90 BIOS Setup
Enables the warning messages during boot when the adapters with less power
capacity are detected.
By default, the Enable Adapter Warnings option is enabled.
Enables or disables the action to be taken when a warning or error is
encountered.
By default, the Prompt on Warnings and Errors option is selected. Stop,
prompt, and wait for user input when warnings or errors are detected.
NOTE: Errors deemed critical to the operation of the computer hardware
stop the functioning of the computer.
Enables the warning messages during boot when the USB-C adapters with less
power capacity are detected.
By default, the Enable Dock Warning Messages option is enabled.
Sets the BIOS POST (Power-On Self-Test) load time.
By default, the 0 seconds option is selected.
Replaces the external NIC MAC address (in a supported dock or dongle) with the
selected MAC address from the computer.
By default, the System Unique MAC Address option is selected.
Display Logo Sign of Life.
By default, the Early Logo Display option is enabled.
Keyboard Backlight Sign of Life.
By default, the Early Keyboard Backlight option is enabled.
When enabled, the computer can run a Virtual Machine Monitor (VMM).
By default, the Enable Intel Virtualization Technology (VT) option is enabled.
When enabled, the computer can perform Virtualization Technology for Direct
I/O (VT-d). VT-d is an Intel method that provides virtualization for memory map
I/O.
By default, the Enable Intel VT for Direct I/O option is enabled.
Intel Trusted Execution Technology (TXT) is a set of hardware extensions to Intel
processors and chipsets. It provides a hardware-based root of trust to ensure
that a platform boots with a known good configuration of firmware, BIOS, virtual
machine monitor, and operating system. The following must be enabled in order
to enable Intel TXT -
● Intel Virtualization Technology - X