Legacy BIOS
| Item | Options | Description | 
|---|---|---|
| Legacy BIOS | 
 | Enables or disables UEFI firmware execution environment for supporting legacy OS and legacy Option ROM. | 
| Rehook INT 19h | 
 | [Enabled] prevents devices from taking control of the boot process. | 
| Non-Onboard PXE | 
 | 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. | ||
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