Reference Guide

BIOS Settings Name Description Supported
Operating
System(s)
Enable Dock Warnings Messages
Enables or disables dock warning messages
Possible values are:
• Disabled
• Enabled
Windows
Dock Display Port 1 Video Source The Dock Display Port through Integrated Graphics feature
Enables the docking station DVI no1 or Display Port no1 interface
to drive an external video display when Switchable Graphics is
Enabled and running from the integrated graphics controller.
Possible values:
• Enabled — Uses the integrated video controller as video
source.
• Disabled — Uses the external video controller as video
source.
Windows, Linux
Dock Support On Battery
Enabling this option allows you to use the docking station, when
AC power is absent, but only when the battery is preceding a
certain charge percentage. The percentage may change per
battery and per platform. For example, the dock may only be
powered when the battery is at 60 percent charge or higher,
and when the battery drops below this level (without AC power)
the dock loses power.
Possible values are:
• Disabled
• Enabled
Windows, Linux
DRAM Prefetcher
Prevents DRAM references from triggering DRAM prefetch
requests./Turns on the DRAM prefetch unit in the Northbridge.
Possible values are:
• Disabled
• Enabled
Windows
Dust Filter Maintenance
Disabled, 15days, 30days, 60days, 90days, 120days, 150days,
180days
Possible values are: 0, 1, 2, 3, 4, 5, 6, 7
Windows, Linux
Dynamic Backlight Control Enables or Disables the Dynamic Backlight Control (DBC)
feature within the BIOS.
Possible values:
• Enabled
• Disabled
Windows, Linux
Dynamic Privacy Screen
Always On, Enables, or Disables the dynamic privacy screen.
Possible values:
• Enabled - The Dynamic Privacy Screen is applied to the
embedded display panel and can be toggled between public
mode and privacy mode using the Fn+F9 key combination on
the embedded keyboard.
• Disabled - The Dynamic Privacy Screen is not applied to the
embedded display panel.
• Always On - The Dynamic Privacy Screen is always on and
cannot be turned off.
Windows, Linux
256 BIOS settings supported in Dell Command | Monitor 10.3