Deployment Guide

System BIOS
57 Setting up BIOS on 15th Generation (15G) Dell EMC PowerEdge Servers | 508
System BIOS—Redundant OS Control
The Redundant OS Control page allows you to configure the Redundant OS feature, which allows installing
an OS on a specified drive, and then hiding that drive until required.
Note: The default option setting is depicted in boldface. Dell EMC reserves the rights to change the default
properties.
Menu Item
Options
Description
Redundant
OS
Location
• None
• Internal SD Card
• SATA Port A
• SATA Port B
• SATA Port C
• SATA Port D
• SATA Port E
• SATA Port F
• SATA Port G
• SATA Port H
• SATA Port I
• SATA Port J
• SATA Port K
• SATA Port L
• SATA Port M
• SATA Port N
• Internal M.2 Drive Slot 1
• Internal M.2 Drive Slot 2
• Internal M.2 Drive Slot 3
• Internal M.2 Drive Slot 4
• Internal M.2 Drive Slot 5
• Internal M.2 Drive Slot 6
• Internal M.2 Drive Slot 7
• Internal M.2 Drive Slot 8
• Internal M.2 Drive Slot 9
• Internal M.2 Drive Slot 10
• Internal M.2 Drive Slot 11
• Internal M.2 Drive Slot 12
• Internal M.2 Drive Slot 13
• Internal M.2 Drive Slot 14
• Internal USB
• Internal M.2 Drive
Specifies the backup device for the Redundant OS
Control feature. When Redundant OS Boot is set to
Enabled, the BIOS will boot to this device.
Note: For the devices and slots listed here to be
displayed as optional backup devices, their settings
must be as specified here:
• SD Card Port – On
• Internal USB Port – On
• Embedded SATA – anything other than Off
• PCIe Slot Disablement – Enabled
Redundant
OS State
• Visible
• Hidden
When set to Hidden, the device specified by Redundant
OS Location is hidden. It will not be visible in the OS or
the BIOS boot sequence.
Redundant
OS Boot
• Enabled
• Disabled
When set to Enabled, the BIOS will boot to the device
specified by Redundant OS Location.