@RadxaYuntian I have a M2 to 6 port SATA adapter and connect a SATA SSD to it.
But in the BIOS no drive shows up to boot from.
I think there is no boot driver for SATA in the BIOS.
I use the SystemReady BIOS 9.0.0.
In Discord another user has the same problem with the 0.2.0 and the 0.3.0 version of the BIOS.
When I boot from an USB stick and try to install Windows the drive is visible during the setup proces, but when I remove the USB the computer is not booting from the SSD drive.
Cannot boot from M2 SATA
Probably need to include SataControllerDxe. You can create an issue on GitHub under edk2-cix repo so I can track this.
I’ve created an issue in that repo