Dell EMC PowerEdge MX740c Справочное руководство - Страница 25

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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:

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:

About this task

Option

Description

Redundant OS

Enables you to select a backup disk from the following devices:

Location

● None

● Internal SD card

● SATA Ports in AHCI mode

● BOSS PCIe cards (Internal M.2 Drives)

● Internal USB

Redundant OS

State

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.

Redundant OS

Boot

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.

NOTE:

RAID configurations and NVMe cards not are included as BIOS does not have the ability to

distinguish between individual drives in those configurations.

NOTE:

This option is disabled if Redundant OS Location is set to None.

NOTE:

BIOS will disable the device in hardware, so it cannot be 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.

Pre-operating system management applications