Means that you have to have an usable macOS, e.g., a MacBook Pro Then insatll macOS Big Sur Beta via System Update. Please ensure this is Disabled instead of set to Auto. Ethernet) and/or boot failures on other OSes, if it does happen then disable this option and opt for npci insteadĢ020+ BIOS Notes: When enabling Above4G, Resizable BAR Support may become an available on some X570 and newer motherboards. If you are on a Gigabyte/Aorus or an AsRock motherboard, enabling this option may break certain drivers(ie.Do not have both this option and npci enabled at the same time.) Compatibility Support Module (CSM)( Must be off, GPU errors like gIO are common when this option in enabled)Ībove 4G decoding(This must be on, if you can’t find the option then add npci=0x2000 to boot-args.Settings -> IO Ports -> USB Configuration -> XHCI Hand-off: enable.
Settings -> IO Ports -> USB Configuration -> Legacy USB Support -> Auto.Settings -> IO Ports -> Above 4G Decoding -> Disabled.Enter BIOS -> Press Delete -> Enter Setup.Installed Operating Systems: Big Sur 11.4.WiFi-Bluetooth: Fenvi T919 BCM94360CD 802.11AC WI-FI With Bluetooth 4.0 PCIe.
Samsung 970 EVO PLUS 1T (m.2 slot 2) - Windows 10 Pro.WD SN850 1TB PCIE4 (m.2 slot 1) - macOS.RAM: Corsair Pro Vengeance 32GB (16GB * 2) DDR4 3600Mhz.Motherboard: Gigabyte AORUS X570 Pro (Bios Revision - F33a) (overclock).