BIOS do not update. The original was more stable, but you can't go back unless you copy it first. I can't get m.2 to work. This is the second board I've tried. The POST diagnostics screen is very useful. The gigabit network chip will not work until you install a driver for it. So if you don't have a plug and play graphics card, you can't get video output because the operating system can't find drivers until it has LAN. And you can load LAN drivers without video output. So I strongly recommend integrated graphics on your processor. You need a 4 molex power supply as you can't power PCIe slots with other ATX connectors. They just seem to turn on other power supplies. No voltage range. Finally, the BIOS does not have a graphical interface, so navigation is only possible using the keyboard. Small annoyance. Nevertheless, 7 cards now work quite stably for me.
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