Happy to report msi pro z690-a ddr4 works without problems. Ram is kingston 3200mhz. I set fan as air cooler in advanced settings, enabled xmp1. Don't know what else I could do
MSI MAG B550M MORTAR MAX WIFI + R5 5600G + 16GB DDR4 RAM AM4 Motherboard CPU Combo Ryzen Kit 5600G 16GB RAM b550 Mainboard Kit _ - AliExpress Mobile
MSI announces 24GB & 48GB DDR5 memory module support across Intel 700/600 motherboards - VideoCardz.com