Reference Guide

Table Of Contents
Table 150. BIOS settings supported in Dell Command | Monitor 10.4 (continued)
BIOS Settings Name Description Supported
Operating
System(s)
3DAC and ADCSets the channel mode as DAC
output, but can be monitored through ADC input.
8GPIOSets the channel mode as General Purpose
Input or Output.
Analog Digital Interface Mode
Channel 8
Sets the defined Analog/Digital Interface mode for channel
8.
Possible values are:
0UnusedChannel is unused.
1ADC InputSets the channel mode as Analog-to-
Digital Converter (ADC) input.
2DAC OutputSets the channel mode as Digital-to-
Analog Converter (DAC) output.
3DAC and ADCSets the channel mode as DAC
output, but can be monitored through ADC input.
8GPIOSets the channel mode as General Purpose
Input or Output.
Windows, Linux
Antenna Switch
This setting determines the antenna usage when the
system is connected to a docking station. The option
designates which wireless radio is connected to which dock
antenna. The System Antennas Only option indicates the
system antennas that are used, and the dock antennas that
are not used, even when the system is docked.
When the system is undocked, the system antennas are
used and this setting has no effect.
Ant A indicates dock antenna A, and Ant B indicates dock
antenna B.
NOTE: This setting applies to rugged docking stations
and does not apply to USB Type-C docking stations.
Possible values are:
System Antennas Only
WLAN (Ant A) and WWAN (Ant B)
WLAN (Ant A) and GPS (Ant B)
GPS (Ant A) and WWAN (Ant B)
WLAN (Ant A)
WWAN (Ant B)
GPS (Ant B)
Windows, Linux
Attempt Legacy Boot
Determines if BIOS should attempt to boot from the legacy
boot list when the UEFI boot list fails.
Possible values are:
EnabledIf the UEFI boot list fails, then BIOS attempts
to boot from the Legacy boot list.
DisabledBIOS discontinues the booting process if the
UEFI boot list fails.
Windows, Linux
AudioMode
Onboard audio mode. Disabled mode completely un-assigns
the onboard hardware resources. Half duplex mode allows
only record or playback. Full duplex mode can record and
play back sounds simultaneously.
Possible values are:
Windows
260 BIOS settings supported in Dell Command | Monitor 10.4