Polaris Bios Editor v1.7.6: Download and Config PBE for Windows
GitHub - caa82437/PolarisBiosEditor
RBE - Radeon BIOS editor
Now also for Polaris: The new Red BIOS Editor RBE with full support for the older AMD Radeon RX 590, RX 580, RX 570, RX 480 and RX 470 | igor'sLAB : r/ Amd