Gigabyte GA-6PXSV4 - Boot Manager

BIOS Setup - 68 -
2-7 Boot Manager
The Boot manager menu allows you to specify the boot-up drive. BIOS setup will display an error message if
the legacy drive(s) specied is not bootable.
Boot Override
IBA GE Slot 0600 v1376
Press Enter to congure the device as the boot-up drive.
UEFI: Built-in EFI Shell
Press Enter to congure the device as the boot-up drive.