Very strange behavior, BIOS bug? -> Z690 Maximus Formula
MRC Fast Boot | MSI Z77 | User Guide (Page 64)
Asus Z490 stuff - Page 20
DRAM training profile and booting speed - New Builds and Planning - Linus Tech Tips
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