OPNsense

Hello I am trying to install opnsense, but can't get it to work. The pc I am trying to install it in are a Fujitsu S920, with swapped msata and ram. I am getting Write FPDMA Queued during install and after the install its says GPT Boot partition write failed. Does anyone know what to do about...

Just found a good deal for a PC (just without an enclosed case or good PSU) that features an A6-7400K and 4gb of ram that I'm planning on running OPNsense with. The ram is obviously easily upgradeable (if needed) but the chip not so much as I'll be limited to FM2+ chips which means I'll be...