Reference Guide

BIOS Settings Name Description Supported
Operating
System(s)
Possible values are:
• Hidden
• Visible
Telemetry Access Level
Disabled, Basic, Enhanced, and Full
Possible values are:
• Disabled—No telemetry
• Basic—Flash and diagnostics only
• Enhanced—Flash, diagnostics, and boot event
• Full—All telemetry guidelines
Windows
Tertiary IDE Channel, Master Device
Enables or Disables tertiary Parallel ATA master channel.
Possible values are:
• Off
• Auto
Windows
Tertiary IDE Channel, Slave Device
Enables or Disables tertiary Parallel ATA master channel.
Possible values are:
• Off
• Auto
Windows
Thunderbolt
Enables or Disables the thunderbolt controller in the system.
Possible values are:
• Disabled
• Enabled
Windows, Linux
Thunderbolt Boot Support
Enables or Disables booting from the Thunderbolt device.
Possible values are:
• Disabled
• Enabled
Windows, Linux
Thunderbolt Pre Boot Module
Enables or Disables OROMs and pre-boot UEFI drivers provided
by Thunderbolt devices or PCIe devices.
Possible values are:
• Disabled
• Enabled
Windows, Linux
Thunderbolt Security Level
Configures the thunderbolt security level.
Possible values are:
• No Security — Disables the thunderbolt security.
• User Authorization — Allows minimum user notification.
Connection manager requests connection approval from the
host software, based on the unique ID of the connecting
device, auto approval might or might not be given.
• Secure Connect — Allows one-time saved key device.
Connection manager requests connection approval from the
host software; approval is given only if the host challenge to
device is acceptable.
• Display Port Only — Allows to connect only display port.
Windows, Linux
Touch Screen
Enables or Disables the touchscreen of the device.
Windows, Linux
BIOS settings supported in Dell Command | Monitor 10.3 295