Here are the basic steps I took to configure 2 local ATA disks in a RAID1 and 2 local SSD disks stand-alone on a single B440-M2:
Since we have 2 SATA drives and 2 SSD drives in the same server, we need to make sure NOT to configure a Local Disk Configuration Policy. This one through me for a bit, since this is the preferred way to handle RAID configuration when the same disk-types are present. If you have varying disk types, you need to manually configure your disks.
Create a basic boot policy: