Your motherboard has a very new BIOS and AMD Chipset (3/2018) update. The BIOS Update suppose to help in Memory Compatibility: Support For A320M GAMING PRO | Motherboard - The world leader in motherboard design | MSI Global. NOTE: IF YOU HAVE WINDOWS 7 INSTALLED DO NOT UPDATE TO LATEST BIOS!.
Also at same link above click on Compatibility on left side and check to see if your Memory is compatible here. Support For A320M GAMING PRO | Motherboard - The world leader in motherboard design | MSI Global
- Improved memory compatibility.
- Improved M.2 device compatibility.
- Improved Windowns7 compatibility.
- Update AGESA Code 22.214.171.124a to support new upcoming processors.Note
1. Do not update this BIOS if you're currently using windows7
2. This BIOS doesn't support Windows7.