EC2 > Enums > InstanceBootModeValues InstanceBootModeValues¶ Enum Class¶ InstanceBootModeValues ¶ Bases: UnknownEnumMixin, StrEnum Attributes¶ LEGACY_BIOS class-attribute instance-attribute ¶ LEGACY_BIOS = 'legacy-bios' UEFI class-attribute instance-attribute ¶ UEFI = 'uefi'