What this does mean, though, is that for Asus and MSI at least, there appears to be a compatibility lottery going on if you pair one of these first-generation 300-series chipset boards with one of the new 9th Gen CPUs, such as the Core i5-9400. Despite both companies claiming these boards will be compatible, there is clearly old stock out there with BIOS versions that are completely incompatible with these new CPUs. So, my advice to you is to buy Gigabyte, since its board worked, at least for me, plus in the UK it will apparently update your board to a compatible BIOS for free if it doesn't. If you go with someone else, be prepared to click that RMA button.
Some 300-series motherboards have issues with Intel 9th Gen Core CPUs
Posted on Tuesday, May 21 2019 @ 14:59 CEST by Thomas De Maesschalck