Dell Alienware M16 R2 Owners Manual - Page 100

Table 41. System setup options-Pre-boot Behavior menu continued

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Table 41. System setup options-Pre-boot Behavior menu (continued) Preboot Behavior 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. Extend BIOS POST Time Sets the BIOS POST (Power-On Self-Test) load time. By default, the 0 seconds option is selected. Sign of Life Early Audio Beep Display Logo Sign of Life. By default, the Early Audio Beep option is enabled. Early Logo Display Display Logo Sign of Life. By default, the Early Logo Display option is enabled. Early Keyboard Backlight Keyboard Backlight Sign of Life. By default, the Early Keyboard Backlight option is enabled. Table 42. 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. 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. For additional security, Dell Technologies recommends keeping the Enable PreBoot DMA Support option enabled. NOTE: This option is provided only for compatibility purposes, since some older hardware is not DMA capable. Enable OS Kernel DMA Support Allows you to control the Kernel DMA protection for both internal and external ports. This option does not directly enable DMA protection in the operating system. For operating systems that support DMA protection, this setting indicates to the operating system that the BIOS supports the feature. NOTE: This option is not available when the virtualization setting for IOMMU is disabled (VT-d/AMD Vi). By default, the Enable OS Kernel DMA Support option is enabled. 100

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Table 41. System setup options—Pre-boot Behavior menu (continued)
Preboot Behavior
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.
Extend BIOS POST Time
Sets the BIOS POST (Power-On Self-Test) load time.
By default, the
0 seconds
option is selected.
Sign of Life
Early Audio Beep
Display Logo Sign of Life.
By default, the
Early Audio Beep
option is enabled.
Early Logo Display
Display Logo Sign of Life.
By default, the
Early Logo Display
option is enabled.
Early Keyboard Backlight
Keyboard Backlight Sign of Life.
By default, the
Early Keyboard Backlight
option is enabled.
Table 42. 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.
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.
For additional security, Dell Technologies recommends keeping the
Enable Pre-
Boot DMA Support
option enabled.
NOTE:
This option is provided only for compatibility purposes, since some older
hardware is not DMA capable.
Enable OS Kernel DMA Support
Allows you to control the Kernel DMA protection for both internal and external
ports. This option does not directly enable DMA protection in the operating system.
For operating systems that support DMA protection, this setting indicates to the
operating system that the BIOS supports the feature.
NOTE:
This option is not available when the virtualization setting for IOMMU is
disabled (VT-d/AMD Vi).
By default, the
Enable OS Kernel DMA Support
option is enabled.
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