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)
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:
Disable
Enable
Microsoft Windows,
Linux
Thunderbolt Boot Support
Enables or disables booting from the Thunderbolt device.
Possible values are:
Disable
Enable
Microsoft Windows,
Linux
Thunderbolt Pre Boot Module
Enables or disables OROMs and pre-boot UEFI drivers
provided by Thunderbolt devices or PCIe devices.
Possible values are:
Disable
Microsoft Windows,
Linux
304 BIOS settings supported in Dell Command | Monitor 10.2.1