DELL E23S Series User Manual

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Boot Settings Screen
Menu Item
Description
Boot Mode
Allows you to set the boot mode of the system.
CAUTION: Switching the boot mode may prevent the system from booting if the operating 
system is not installed in the same boot mode.
If the operating system supports UEFI, you can set this option to UEFI. Setting this field to BIOS 
allows compatibility with non-UEFI operating systems. By default, the Boot Mode option is set 
to BIOS.
NOTE: Setting this field to UEFI disables BIOS Boot Settings menu. Setting this field to 
BIOS disables the UEFI Boot Settings menu.
Boot Sequence Retry Allows you to enable or disable the boot sequence retry feature. If this field is enabled and the 
system fails to boot, the system reattempts the boot sequence after 30 seconds. By default, the 
Boot Sequence Retry option is set to Disabled.
BIOS Boot Settings
Allows you to enable or disable BIOS Boot options.
NOTE: This option is enabled only if the boot mode is BIOS.
UEFI Boot Settings
Allows you to enable or disable UEFI Boot options. The Boot options include IPv4 PXE and IPv6 
PXE. By default, the UEFI PXE boot protocol is set to IPv4.
NOTE: This option is enabled only if the boot mode is UEFI.
One-Time Boot
Allows you to enable or disable a one-time boot from a selected device.
Integrated Devices Screen
Menu Item
Description
Integrated RAID 
Controller
Allows you to enable or disable the integrated RAID controller. By default, the Integrated RAID 
Controller option is set to Enabled.
User Accessible USB 
Ports
Allows you enable or disable the user accessible USB ports. Selecting Only Back Ports On 
disables the front USB ports and selecting All Ports Off disables both front and back USB ports. 
By default, the User Accessible USB Ports option is set to All Ports On.
Internal USB Port
Allows you to enable or disable the internal USB port. By default, the Internal USB Port option 
is set to On.
Internal SD Card Port Enables or disables the system’s internal SD card port. By default, Internal SD Card Port option 
is set to On.
NOTE: This option is displayed only if IDSDM is installed on the system board.
Internal SD Card 
Redundancy
If set to Mirror mode, data is written on both SD cards. If any one of the SD card fails, data is 
written to the active SD card. Data from this card is copied to the replacement SD card at the 
next boot. By default, Internal SD Card Redundancy option is set to Mirror.
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