Dell EMC PowerEdge R450 Reference Manual page 23

Even after you power off and restart the system, the error message is displayed until the correct password is typed. The
following options are exceptions:
● If System Password is not set to Enabled and is not locked through the Password Status option, you can assign a
system password. For more information, see the System Security Settings screen section.
● You cannot disable or change an existing system password.
NOTE: You can use the password status option with the setup password option to protect the system password from
unauthorized changes.
Redundant OS Control
To view the Redundant OS Control screen, power on the system, press F2, and click System Setup Main Menu > System
BIOS > Redundant OS Control.
Table 24. Redundant OS Control details
Option
Redundant OS Location
Redundant OS State
Redundant OS Boot
Miscellaneous Settings
To view the Miscellaneous Settings screen, power on the system, press F2, and click System Setup Main Menu > System
BIOS > Miscellaneous Settings.
Table 25. Miscellaneous Settings details
Option
System Time
System Date
Asset Tag
Keyboard NumLock
Description
Enables you to select a backup disk from the following devices:
● None
● IDSDM
● SATA Ports in AHCI mode
● BOSS PCIe Cards (Internal M.2 Drives)
● Internal USB
NOTE: RAID configurations and NVMe cards are not included, as BIOS does not
have the ability to distinguish between individual drives in those configurations.
● Internal SD card
NOTE: This option is disabled if Redundant OS Location is set to None.
When set to Visible, the backup disk is visible to the boot list and OS. When set to
Hidden, the backup disk is disabled and is not visible to the boot list and OS. This option
is set to Visible by default.
NOTE: BIOS disables the device in hardware, so it is not accessed by the OS.
NOTE: This option is disabled if Redundant OS Location is set to None or if
Redundant OS State is set to Hidden.
When set to Enabled, BIOS boots to the device specified in Redundant OS Location.
When set to Disabled, BIOS preserves the current boot list settings. This option is set to
Disabled by default.
Description
Enables you to set the time on the system.
Enables you to set the date on the system.
Specifies the asset tag and enables you to modify it for security and tracking
purposes.
Enables you to set whether the system boots with the NumLock enabled or
disabled. This option is set to On by default.
NOTE: This option does not apply to 84-key keyboards.
Pre-operating system management applications 23