How to run FreeBSD under AMD Ryzen laptops

New laptops with AMD Ryzen APUs wont boot FreeBSD system because some firmware and hardware feutures are different. If you can't boot FreeBSD distros need to switch hw.pci.mcfg parameter to zero.

In loader promt before system begin boot process type two commands:

set hw.pci.mcfg=0

System installer will boot without any problems but you can't install it.

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