Reference Guide

BIOS Settings Name Description Supported
Operating
System(s)
• Enable
Dell Wyse P25 Bios Access Turns on or off the access to the BIOS setup through Dell Wyse
P25 PCoIP client.
Possible values are:
• On
• Off
Microsoft Windows
dGPU External Display
Enables or disables discrete Graphics Procession (GPU) Unit
external display.
Possible values are:
• Disable
• Enable
Microsoft Windows,
Linux
Diskette
This property defines whether the built-in Floppy controller is
enabled, auto or read-only.
Possible values are:
• Disable
• Auto
• Read Only
• USB Internal
Microsoft 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:
• 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
BIOS settings supported in Dell Command | Monitor 10.2.1 253