B85M-G User's Manual
Page 67
... Devices [Legacy OpROM first Ignore Legacy OpROM first] [UEFI driver first] [Ignore] Boot from Storage Devices [Legacy OpROM first Ignore Both, Legacy OpROM first] [Both, UEFI first] [Legacy OpROM first] [UEFI driver first] [Ignore] Boot from PCIe/PCI Expansion Devices [Legacy OpROM first PCI Express/PCI Legacy OpROM first] [UEFI driver first] ASUS B85M-G 2-37
... Devices [Legacy OpROM first Ignore Legacy OpROM first] [UEFI driver first] [Ignore] Boot from Storage Devices [Legacy OpROM first Ignore Both, Legacy OpROM first] [Both, UEFI first] [Legacy OpROM first] [UEFI driver first] [Ignore] Boot from PCIe/PCI Expansion Devices [Legacy OpROM first PCI Express/PCI Legacy OpROM first] [UEFI driver first] ASUS B85M-G 2-37