Your motherboard (B450 Tomohawk Max) should work with your new 5600x and the 7C02v1H5 BIOS.
Your motherboard (B450 Tomohawk Max) should work with your new 5600x and the 7C02v1H5 BIOS.
Check the CPU compatibility guide on MSI's website for the board. The reference confirms support for the 5600X with BIOS version 7C02v3A.