Dell Alienware x16 R2 Owners Manual - Page 121

Table 43. System setup options-Preboot Behavior menu continued

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Table 43. System setup options-Preboot Behavior menu (continued) Preboot Behavior Enable Dock Warning Messages Enables the warning messages during boot when the adapters with less power capacity are detected. By default, the Enable Dock Warning Messages option is enabled. Warnings and Errors 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. USB-C Warnings Enable Dock Warning Messages 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. Fastboot Allows you to configure the speed of the UEFI boot process. By default, the Thorough option is selected. Performs complete hardware and configuration initialization during boot. Extend BIOS POST Time Sets the BIOS POST (Power-On Self-Test) load time. By default, the 0 seconds option is selected. Table 44. System setup options-Virtualization menu Virtualization Support Intel Virtualization Technology Enable Intel Virtualization Technology (VT) When enabled, the computer can run a Virtual Machine Monitor (VMM). By default, the Enable Intel Virtualization Technology (VT) option is enabled. VT for Direct I/O Enable Intel VT for Direct I/O 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) 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 ● Intel Virtualization Technology - Direct By default, the Intel Trusted Execution Technology (TXT) option is enabled. For additional security, Dell Technologies recommends keeping the Intel Trusted Execution Technology (TXT) option enabled. DMA Protection Enable Pre-Boot DMA Support Allows you to control the Pre-Boot DMA protection for both internal and external ports. This option does not directly enable DMA protection in the operating system. NOTE: This option is not available when the virtualization setting for IOMMU is disabled (VT-d/AMD Vi). By default, the Enable Pre-Boot DMA Support option is enabled. 121

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Table 43. System setup options—Preboot Behavior menu (continued)
Preboot Behavior
Enable Dock Warning Messages
Enables the warning messages during boot when the adapters with less power
capacity are detected.
By default, the
Enable Dock Warning Messages
option is enabled.
Warnings and Errors
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.
USB-C Warnings
Enable Dock Warning Messages
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.
Fastboot
Allows you to configure the speed of the UEFI boot process.
By default, the
Thorough
option is selected. Performs complete hardware and
configuration initialization during boot.
Extend BIOS POST Time
Sets the BIOS POST (Power-On Self-Test) load time.
By default, the
0 seconds
option is selected.
Table 44. System setup options—Virtualization menu
Virtualization Support
Intel Virtualization Technology
Enable Intel Virtualization Technology (VT)
When enabled, the computer can run a Virtual Machine Monitor (VMM).
By default, the
Enable Intel Virtualization Technology (VT)
option is enabled.
VT for Direct I/O
Enable Intel VT for Direct I/O
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)
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
●
Intel Virtualization Technology - Direct
By default, the
Intel Trusted Execution Technology (TXT)
option is enabled.
For additional security, Dell Technologies recommends keeping the
Intel Trusted
Execution Technology (TXT)
option enabled.
DMA Protection
Enable Pre-Boot DMA Support
Allows you to control the Pre-Boot DMA protection for both internal and external
ports. This option does not directly enable DMA protection in the operating system.
NOTE:
This option is not available when the virtualization setting for IOMMU is
disabled (VT-d/AMD Vi).
By default, the
Enable Pre-Boot DMA Support
option is enabled.
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