I need to use Legacy BIOS to flash a hdd for my kids' Xbox 360, but I can't find the option in the UEFI BIOS. I need to switch the SATA to ATA in order for it to detect the hdd. The only options I have on the SATA config are RAID, SATA, or IDE. This is on a Sabertooth 990fx r1 not an r2. I have the last BIOS that they released (1604). I don't have the CSM, secure boot, or the Boot device Control options. Anyone have any ideas? Thanks.
AMD Phenom IIx4 965 Black Edition, Rosewill Photon 750w Power Supply, ASUS
Sabertooth 990FX Rev1 Motherboard, Samsung 840 Pro SSD 120Gb, 2 WD Blue 1TB
HDD's, Enermax ETS-T40 CPU Cooler, CM HAF 912 case with 5 case fans,
Sapphire r9 280x toxic Graphics Card, 8Gb of G.Sill Ares RAM 1866, Windows 7
64 bit Home Premium
AMD Phenom IIx4 965 Black Edition, Rosewill Photon 750w Power Supply, ASUS
Sabertooth 990FX Rev1 Motherboard, Samsung 840 Pro SSD 120Gb, 2 WD Blue 1TB
HDD's, Enermax ETS-T40 CPU Cooler, CM HAF 912 case with 5 case fans,
Sapphire r9 280x toxic Graphics Card, 8Gb of G.Sill Ares RAM 1866, Windows 7
64 bit Home Premium