Reference Guide

BIOS Settings Name Description Supported
Operating
System(s)
• Disable
• Enable
Surround View
This feature will allow user to enable SurroundView that allow
user to use an additional AMD PCIE video card in conjunction
with the onboard graphics card which would give you ability to
use multiple monitors at once. Notes: it's only for AMD platform/
disable SurroundView thatdisable multiple monitor support with
additional AMD PCIE video card. Notes: it's only for AMD
platform.
Possible values are:
• Disable
• Enable
Microsoft Windows,
Linux
Switchable Graphics
Configures the Switchable Graphics technology.
Possible values are:
• Disable
• Enable
Microsoft Windows,
Linux
System Isochronous Mode
Enables or disables System Isochronous mode.
NOTE: Isochronous mode may be best for audio and
video streaming applications.
Possible values are:
• Enable — Enable this mode to reduce the latency of memory
transactions at the expense of bandwidth.
• Disable — Disable this mode for applications that need high
memory bandwidth.
Tablet Buttons
Enables or Disables Tablet Buttons.
Possible values are:
• Disable
• Enable
Microsoft Windows
TCM Visibility
Hides or unhides the TCM from the operating system on the
next boot.
Possible values are:
• Hidden
• Visible
Microsoft Windows
Tertiary IDE Channel, Master Device
Enables or Disables tertiary Parallel ATA master channel.
Possible values are:
• Off
• Auto
Microsoft Windows
Tertiary IDE Channel, Slave Device
Enables or Disables tertiary Parallel ATA master channel.
Possible values are:
• Off
• Auto
Microsoft Windows
Thunderbolt
Enables or disables the thunderbolt controller in the system.
Possible values are:
Microsoft Windows,
Linux
290 BIOS settings supported in Dell Command | Monitor 10.2.1