Reference Guide
BIOS Settings Name Description Supported 
Operating 
System(s)
• 4 = Australia — Sets the WLAN region code for Australia, 
New Zealand, Saudi Arabia, South Africa, UAE, and Vietnam.
• 5 = China South Asia — Sets the WLAN region code for 
China, and India.
• 6 = Taiwan — Sets the WLAN region code for Colombia, 
Peru, and Taiwan.
• 7 = Indonesia — Sets the WLAN region code for Indonesia 
only.
WWAN Radio
Configures the WWAN radio.
Possible values are:
• Disable
• WLAN on
• WWAN on
• If set to Disable then it disables both WLAN and WWAN;
• If set to WLAN ON then it toggles between WLAN radio on 
and WWAN radio off;
• If set to WWAN ON then it toggles between WWAN radio 
on and WLAN radio off.
Microsoft Windows, 
Linux
Wireless Switch GPS On WWAN Radio
Enables or disables the effect of physical wireless switch on the 
GPS radio of the wireless WAN card.
Possible values are:
• Disable — If disabled, wireless switch does not have any 
effect on the state of the GPS radio of the wireless WAN 
card.
• Enable — If enabled, wireless switch turns the GPS radio of 
the wireless WAN card on or off.
Microsoft Windows, 
Linux
WWan Bus Mode
WWan Bus Mode sets the interface type of the Wireless Wan 
(WWAN) card. It is recommended that the system running 
Microsoft Windows must set this field to PCIe mode, while all 
the other systems must set this field to USB mode.
Possible values:
• PCIe mode
• USB mode
Microsoft Windows, 
Linux
WWAN Connection Auto Sense
When the WWAN is enabled, this BIOS setting enables the 
feature that automatically turns off the WWAN when it is 
connected to the network.
Possible values are:
• Disable
• Enable
Microsoft Windows, 
Linux
WLAN Connection Auto Sense
When the WLAN is enabled, this BIOS setting enables the 
feature that automatically turns off the WLAN when it is 
connected to the network.
Possible values are:
• Disable
• Enable
Microsoft Windows
XD Card
Enables or disables the embedded XD Card port.
Possible values are:
Microsoft Windows, 
Linux
BIOS settings supported in Dell Command | Monitor 10.2.1 301










