You can use the
Boot Settings screen to set the boot mode to
either
BIOS or
UEFI. It also enables you to specify the boot order.
UEFI: The Unified Extensible Firmware Interface (UEFI) is a new interface between operating systems and platform firmware. The interface consists of data tables with platform related information, boot and runtime service calls that are available to the operating system and its loader. The following benefits are available when the
Boot Mode is set to
UEFI:
Support for drive partitions larger than 2 TB.
Enhanced security (e.g., UEFI Secure Boot).
Faster boot time.
NOTE:You must use only the UEFI boot mode in order to boot from NVMe drives.
BIOS: The
BIOS Boot Mode is the legacy boot mode. It is maintained for backward compatibility.
To view the
Boot Settings screen, power on the system, press F2, and click
System Setup Main Menu > System BIOS > Boot Settings.
Table 1. Boot Settings detailsThis table provides the details of the options available on the
Boot Settings screen.
Option
Description
Boot Mode
Enables you to set the boot mode of the system. 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. This option is set to
UEFI by default.
CAUTION:Switching the boot mode may prevent the system from booting if the operating system is not installed in the same boot mode.
NOTE:Setting this field to UEFI disables the
BIOS Boot Settings menu.
Boot Sequence Retry
Enables or disables the Boot sequence retry feature or resets the system. When this option is set to
Enabled and the
system fails to boot, the system re-attempts the boot sequence after 30 seconds. When this option is set to
Reset and the
system fails to boot, the system reboots immediately. This option is set to
Enabled by default.
Hard-disk Failover
Enables or disables the Hard-disk failover. This option is set to
Disabled by default.
Generic USB Boot
Enables or disables the generic USB boot placeholder. This option is set to
Disabled by default.
Hard-disk Drive Placeholder
Enables or disables the Hard-disk drive placeholder. This option is set to
Disabled by default.
Clean all Sysprep variables and order
When this option is set to
None, BIOS will do nothing. When set to
Yes, BIOS will delete variables of SysPrep #### and SysPrepOrder this option is a onetime option, will reset to none when deleting variables. This setting is only available in
UEFI Boot Mode. This option is set to
None by default.
UEFI Boot Settings
Specifies the UEFI boot sequence. Enables or disables UEFI Boot options.
NOTE:This option controls the UEFI boot order. The first option in the list will be attempted first.
Table 2. UEFI Boot SettingsThis table provides the details of UEFI Boot Settings.
Option
Description
UEFI Boot Sequence
Enables you to change the boot device order.
Boot Options Enable/Disable
Enables you to select the enabled or disabled boot devices
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