I configure RAID instead of AHCI on both SATA and sSATA controller using EFI option ROM driver. I can configure the RAID volumes in the BIOS. During Windows 2016 Server installation, I get the error message below:
Windows cannot be installed to this disk. This computer's hardware may not support booting to this disk. Ensure that the disk's controller is enabled in the computer's BIOS menu.
If the Intel Option ROM driver is set to EFI, please use UEFI installation for the Operating System.