Reference Guide

BIOS Settings Name Description Supported
Operating
System(s)
from primary hard disk drive permanent storage and via an
external USB.
• Disable — BIOS does not store the recovery image on
primary hard disk drive storage. So BIOS recovery image is
available only via an external USB.
Bitsmart
Enables or disable the Bitsmart.
Possible values are:
• Disable
• Enable
Microsoft Windows
Bluetooth Devices
Enable or disable Bluetooth Devices
Possible values are:
• Disable
• Enable
Microsoft Windows,
Linux
BlinkPSULED1
Provides the alert for the PSU 1. The Power Supply Unit(PSU) 1
LED starts to blink when it is enabled.
Possible value:
• Enable
Microsoft Windows
BlinkPSULED2
Provides the alert for the PSU 2. The Power Supply Unit(PSU) 2
LED starts to blink when it is enabled.
Possible value:
• Enable
Microsoft Windows
BlockS3
Enables or disables the Block S3 sleep state. If this option is
Disabled, the system BIOS supports OSPM/ACPI S3 (suspend
to RAM) operation. This moves the system authentication into
the operating system and bypasses any Preboot Authentication
on resume.
If this option is Enabled, the system BIOS blocks all OSPM/ACPI
S3 (suspend to RAM) requests and enforces Preboot
Authentication on all non-S3 resumes.
Possible values are:
• Disable
• Enable
Microsoft Windows,
Linux
Boot Mode
Determines the system’s boot mode. Enables booting to Unified
Extensible Firmware Interface (UEFI) capable operating
systems. This ensures compatibility with operating systems that
do not support UEFI.
Possible values are:
• UEFI — Enables booting to Unified Extensible Firmware
Interface (UEFI) capable operating systems.
• BIOS — Ensures compatibility with operating systems that
do not support UEFI.
NOTE: Legacy boot mode is not allowed when secure
boot is enabled or legacy option ROM is disabled.
Microsoft Windows,
Linux
Boot-time Video
Sets the Primary Video source.
Possible values are:
Microsoft Windows,
Linux
BIOS settings supported in Dell Command | Monitor 10.2.1 249