Having some issues with v3.60 agesa 1.0.0.3abb

Background :
Just slapped a Ryzen 9 3900x in my b450m pro4to replace a 2700. Worked ok with bios 3.30 (earliest bios to support Ryzen 3xxx). But…

Asrock b450m pro4 bios 3.60 issue

Source: [H]ardOCP – Asrock b450m pro4 bios 3.60 issue