Dell R420xr Personal Computer User Manual


 
NOTE: Ports A, B, C, and D are used for the backplane drives, and port E for the optical drive (CD/
DVD).
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.
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