Gigabyte R281-Z91 Service Manual page 111

5-7-1 UEFI NETWORK Drive BBS Priorities
The UEFI network drive BBS priorities submenu allows you to specify the boot device priority from the
available UEFI network drives during system boot-up. BIOS setup will display an error message if the legacy
drive(s) specified is not bootable.
- 117 - BIOS Setup