And it launches three new 500 series ROG and TUF motherboards. Last month we reported upon Asus readying an updated range of AMD B450 motherboards for release later in October. Now Asus has emailed HEXUS with details of a BIOS update coming to its large portfolio of 500-Series motherboards in order to offer full support for AMD's latest and greatest Zen 3 processors, AKA the Ryzen 5000 series desktop CPUs.