Reference Guide

BIOS Settings Name Description Supported
Operating
System(s)
Enabled
Onboard Sound Device
Enables or Disables the onboard sound devices.
Possible values are:
Disabled
Enabled
Windows, Linux
Onboard Unmanaged NIC
Configures the state of the Onboard Unmanaged Network
Interface Card (NIC).
Possible values are:
Disabled — Disables the secondary, unmanaged network
interface card.
Enabled — Enables the secondary, unmanaged network
interface card.
Enabled with PXE — Enables the secondary, unmanaged
network interface card and supports the preboot execution
environment for network boot.
Windows, Linux
On-board Serial ATA 2 Controller
Enabled or Disables on-board Serial ATA 2 controller.
Possible values are:
Enabled
Disabled
Windows
On Screen Buttons
Configures the onscreen display (OSD) of the All-In-One
systems.
Possible values are:
Enabled
Disabled
Windows, Linux
Optical Drive Controller
Enables or Disables the Optical Drive Controller.
Possible values are:
Enabled
Disabled
Windows
Optimus
Enables or Disables the Optimus.
Possible values are:
Enabled
Disabled
Windows
Optional Boot Sequence
Allows or prevents the installation of Windows operating system
on client systems with more than one operating system volume.
Possible values are:
Enabled
Disabled
Windows
OpRomUIProtection
Prompts you to enter the administrator password to enter the
OptionROM user interface if the password has been set.
Possible values are:
Enabled
Disabled
Windows, Linux
274 BIOS settings supported in Dell Command | Monitor 10.3