Reference Guide

BIOS Settings Name Description Supported
Operating
System(s)
Primary IDE Channel, Slave Device
Enables or Disables primary Parallel ATA slave channel.
Possible values are:
• Disabled
• Enabled
Windows
Primary Video Device Slot
Configures the slot for primary video display.
Possible values are:
• 0 — Sets the onboard video device slot as primary video
device slot.
• 1-15 — Sets the specified slot number as a primary video
device slot.
• 255 —Scans PCI buses and uses the first video device slot,
found with video card as a primary video device slot.
NOTE: If a video card is not available in the specified
slot number, the system will scan the PCI buses and
uses the first video device slot, found with video card
as a primary video device.
Windows, Linux
Prompt On Error
Enables or Disabled the Prompt on Error.
Possible values are:
• Disabled
• Enabled
Windows
Rear Single USB
Allows the users to electrically Enabled or Disabled the Rear
Single USB ports. If Disabled, they are unusable in any OS.
Possible values are:
• Off
• On
Windows, Linux
Rear Dual USB 2nd stack
Enables or Disabled the Rear Dual USB 2nd stack.
Possible values are:
• Disabled
• Enabled
Windows, Linux
Rear Quad USB
This feature allows the users to electrically Enabled or Disabled
the Rear Quad USB ports. If Disabled, they are unusable in any
OS.
Possible values are:
• Disabled
• Enabled
Windows, Linux
Rear USB Ports
Enables or Disables all the rear ports.
Possible values are:
• Disabled
• Enabled
Windows, Linux
Rear USB 3 Port
Enables or Disables the third rear USB port.
Possible values are:
• Disabled
• Enabled
Windows
BIOS settings supported in Dell Command | Monitor 10.3 285