Dell PowerEdge MX750c EMC BIOS and UEFI Reference Guide - Page 22

Redundant OS Control, Miscellaneous Settings, Table 24. Redundant OS Control details

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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 Description Redundant OS Location 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. Redundant OS State 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. Redundant OS Boot 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. 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 Description System Time Enables you to set the time on the system. System Date Enables you to set the date on the system. Asset Tag Specifies the asset tag and enables you to modify it for security and tracking purposes. Keyboard NumLock 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. F1/F2 Prompt on Error Load Legacy Video Option ROM Dell Wyse P25/P45 BIOS Access Power Cycle Request Enables or disables the F1/F2 prompt on error. This option is set to Enabled by default. The F1/F2 prompt also includes keyboard errors. Enables or disables the Load Legacy Video Option ROM option. This option is set to Disabled by default. Enables or disables the Dell Wyse P25/P45 BIOS Access. This option is set to Enabled by default. Enables or disables the Power Cycle Request. This option is set to None by default. 22 Pre-operating system management applications

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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
Description
Redundant OS Location
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.
Redundant OS State
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.
Redundant OS Boot
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.
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
Description
System Time
Enables you to set the time on the system.
System Date
Enables you to set the date on the system.
Asset Tag
Specifies the asset tag and enables you to modify it for security and tracking
purposes.
Keyboard NumLock
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.
F1/F2 Prompt on Error
Enables or disables the F1/F2 prompt on error. This option is set to
Enabled
by
default. The F1/F2 prompt also includes keyboard errors.
Load Legacy Video Option ROM
Enables or disables the Load Legacy Video Option ROM option. This option is
set to
Disabled
by default.
Dell Wyse P25/P45 BIOS Access
Enables or disables the Dell Wyse P25/P45 BIOS Access. This option is set to
Enabled
by default.
Power Cycle Request
Enables or disables the Power Cycle Request. This option is set to
None
by
default.
22
Pre-operating system management applications