Legacy BIOS
This menu configures system UEFI firmware execution environment preferences for supporting legacy OS and legacy Option ROM.
| Item | Operation | Description | 
|---|---|---|
| Legacy BIOS | 
  | Enable or disable the system UEFI firmware execution environment for supporting legacy OS and legacy Option ROM. Enable is the default setting.  | 
| Rehook INT 19h | 
  | [Enable] prevents devices from taking control of the boot process. Disable is the default setting.  | 
| Legacy BIOS is disabled due to secure boot is enabled. | Note Available only when secure boot is enabled.  | 
Give documentation feedback