Biostar B350GT3 Bios User Manual page 29

Other PCI device ROM priority
This item for PCI devices other than Network, Mass storage or Video defines which OpROM to
launch.
Options: UEFI (Default) / Legacy / Do not launch
NVMe Configuration
The item shows NVMe controller and driver information.
Offboard PCIe SATA Controller
B350GT3 & X370GT3
2. Advanced Menu | 29