This BIOS doesn't support Bristol Ridge CPU (A-Series APUs).
Asrock Taichi AM4 AMD X570 ATX DDR4-SDRAM Motherboard
ASRock B550M PRO4 AM4 AMD B550 SATA 6Gb/s Micro ATX AMD Motherboard
ASRock B550M-HDV AM4 AMD B550 SATA 6Gb/s Micro ATX AMD Motherboard
ASRock B550M-ITX/AC AM4 AMD B550 SATA 6Gb/s Mini ITX AMD Motherboard
ASRock B550 Phantom Gaming 4/ac AM4 AMD B550 SATA 6Gb/s ATX AMD Motherboard
