Reference Guide

Table Of Contents
Table 149. BIOS settings supported in Dell Command | Monitor 10.2.1 (continued)
BIOS Settings Name Description Supported
Operating
System(s)
Auto
Read Only
USB Internal
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:
Enable Uses the integrated video controller as video
source.
Disable Uses the external video controller as video
source.
Microsoft 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:
Disable
Enable
Microsoft Windows,
Linux
DRAM Prefetcher
Prevents DRAM references from triggering DRAM prefetch
requests./Turns on the DRAM prefetch unit in the
Northbridge.
Possible values are:
Disable
Enable
Microsoft Windows
Dust Filter Maintenance
Disabled, 15days, 30days, 60days, 90days, 120days,
150days, 180days
Possible values are: 0, 1, 2, 3, 4, 5, 6, 7
Microsoft Windows,
Linux
Dynamic Backlight Control Enables or disables the Dynamic Backlight Control (DBC)
feature within the BIOS.
Possible values:
Enable
Disable
Microsoft Windows,
Linux
Dynamic Privacy Screen
Always On, enables, or disables the dynamic privacy screen.
Possible values:
Enable - 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.
Disable - 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.
Microsoft Windows,
Linux
266 BIOS settings supported in Dell Command | Monitor 10.2.1