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Legacy BIOS

Table 1. Legacy BIOS
ItemOptionsDescription
Legacy BIOS

  • Enabled (Default)

  • Disabled

Enables or disables UEFI firmware execution environment for supporting legacy OS and legacy Option ROM.

Rehook INT 19h

  • Enabled

  • Disabled (Default)

[Enabled] prevents devices from taking control of the boot process.

Non-Onboard PXE

  • Enabled (Default)

  • Disabled

Enables or disables legacy PXE boot for the installed network adapters.

Legacy BIOS is disabled due to secure boot is enabled.

Note
This feature appears only when the Secure Boot is enabled.