The Win-Raid forum is, sadly, gone . The good news is, Level1techs is hosting the old Win-Raid content for people to reference!win-raid bios mod guide link is not working anymore.
Is there another guide? Does someone has an already modified x9drd-if bios?
I think this is the content you need? [HowTo] Get full NVMe Support for all Systems with an AMI UEFI BIOS