ASRock releases AM5 BIOS with AGESA 1.3.0.0a to fix Ryzen 9000 no-POST issues, memory training errors, and boot instability.
Created by RonR, extracted from https://www.raspberrypi.org/forums/viewtopic.php?f=29&t=196778 NOTE: usb-boot as been updated to allow the use of direct USB booting ...