Table 38. System Setup options—Overview menu(continued)
Overview
Audio Controller Displays the audio controller information of the computer.
Bluetooth Device Displays the Bluetooth device information of the computer.
LOM MAC Address Displays the LOM MAC Address of the computer.
Pass Through MAC Address Displays the MAC address of the video pass-through.
Cellular Device Displays the cellular device of the computer.
Table 39. System Setup options—Boot Configuration menu
Boot Configuration
Boot Sequence
Boot Sequence Displays the boot sequence.
Enable PXE Boot Priority When enabled, any new PXE boot option that is detected by the computer is
added to the top of the Boot Sequence.
By default, the Enable PXE Boot Priority option is disabled.
Secure Digital (SD) Card Boot Enables or disables read-only boot from Secure Digital (SD) card.
By default, the Secure Digital (SD) Card Boot option is disabled.
NOTE: To view this option, enable Advanced Setup mode as described in
View Advanced Setup options.
Secure Boot Secure Boot is a method of guaranteeing the integrity of the boot path by
performing additional validation of the operating system and PCI add-in cards.
The computer stops booting to the operating system when a component is not
authenticated during the boot process. Secure Boot can be enabled in BIOS setup
or using management interfaces like Dell Command|Configure, but can only be
disabled from BIOS setup.
Enable Secure Boot Enables the computer to boot using only validated boot software.
By default, this Enable Secure Boot option is disabled. For additional security,
Dell Technologies recommends keeping the Secure Boot option enabled to
ensure that the UEFI firmware validates the operating system during the boot
process.
NOTE: To view this option, enable Advanced Setup mode as described in
View Advanced Setup options.
NOTE: To enable Secure Boot, the computer must be in UEFI boot mode and
the Enable Legacy Option ROMs option must be turned off.
Enable Microsoft UEFI CA When disabled, the UEFI CA is removed from the BIOS UEFI Secure Boot
database.
CAUTION: If you disable Microsoft UEFI CA, the computer may not
boot, computer graphics may not function, some devices may not
function properly, and the computer could become unrecoverable.
By default, the Enable Microsoft UEFI CA option is enabled.
For additional security, Dell Technologies recommends keeping the Enable
Microsoft UEFI CA option enabled to ensure the broadest compatibility with
devices and operating systems.
Secure Boot Mode Enables or disables the Secure Boot operation mode.
By default, the Deployed Mode is selected. Deployed Mode should be selected
for normal operation of Secure Boot.
BIOS Setup 133
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