Does that help?
https://community.amd.com/t5/drivers-software/installing-new-raid-driver-9-3-0-00167-breaks-s-m-a-r-t-polling/m-p/500408/highlight/true#M150847
Apparently with rcadm all relevant attributes can be read.
After establishing a RAID using the AMD onboard controler (Asus Pro WS WRX90E-SAGE SE Threadripper Plattform), HWinfo does not report any SMART values anymore for the involved drives.
"Harddisk Sentinel" does. Here is a thread to that problem in the AMD forum.
-->...