Dell EMC PowerEdge R7425, Инструкция по установке и обслуживанию

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Even after you turn 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
You can use the Redundant OS Control screen to set the redundant OS info for redundant OS control. It enables you to set up a physical
recovery disk on your system.
Viewing Redundant OS Control
To view the Redundant OS Control screen, perform the following steps:
1 Turn on, or restart your system.
2 Press F2 immediately after you see the following message:
F2 = System Setup
NOTE: If your operating system begins to load before you press F2, wait for the system to finish booting, and then restart
your system and try again.
3 On the System Setup Main Menu screen, click System BIOS .
4 On the System BIOS screen, click Redundant OS Control .
Redundant OS Control screen details
The Redundant OS Control screen details are explained as follows:
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 not are 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 will disable the device in hardware, so it cannot be 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.
58 Pre-operating system management applications