Dell XPS 13 9315 2-in-1 Manual de servicio - Página 26
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Table 14. System setup options—Pre-boot Behavior menu (continued)
Pre-boot Behavior
USB-C Warnings
Enable Dock Warning Messages
Fastboot
Fastboot
Extend BIOS POST Time
Extend BIOS POST Time
MAC Address Pass-Through
MAC Address Pass-Through
Mouse/Touchpad
Mouse/Touchpad
Sign of Life
Early Logo Display
Early Keyboard Backlight
Table 15. 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
DMA Protection
Enable Pre-Boot DMA Support
Enable OS Kernel DMA Support
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System setup
Enables or disables dock warning messages.
Default: ON
Configures the speed of the UEFI boot process.
Default: Thorough. Performs complete hardware and configuration initialization
during boot.
Configures the BIOS POST (Power-On Self-Test) load time.
Default: 0 seconds
Replaces the external NIC MAC address (in a supported dock or dongle) with the
selected MAC address from the computer.
Default: Passthrough MAC Address.
Defines how the computer handles mouse and touchpad input.
Default: Touchpad and PS/2 Mouse. Leave the integrated touchpad enabled
when an external PS/2 mouse is present.
Display Logo Sign of Life.
Default: ON
Keyboard Backlight Sign of Life.
Default: ON
Enables the computer to run a virtual machine monitor (VMM).
Default: ON
Enables the computer to perform Virtualization Technology for Direct I/O (VT-d).
VT-d is an Intel® method that provides virtualization for memory map I/O.
Default: ON
Controls Pre-Boot DMA protection for both Internal and External ports.
Default: ON
Controls Kernel DMA protection for both Internal and External ports. This setting
does not directly enable DMA protection in the OS.
Default: ON