ASUS Announces UEFI BIOS Support & AGESA 1.2.0.7 for AMD Ryzen 7 5800X3D & new AMD Ryzen 5000, 4000 Series CPUs for ASUS AM4 X570, B550, X470, B450, X370, B350, A520, and
Can't get XMP to boot, long boot time - ASRock Forums - Page 5
DRAM training profile and booting speed - New Builds and Planning - Linus Tech Tips
Errors in test 6 or 9 after cold boot (ie. memory training) - PassMark Support Forums