(this will be the WAN interface) IPv4 handle? IPv4 address? 192.168.1.1 (in my circumstance) Netmask? So, it was essential to manually set up disk partitions. So, I needed to enhance the BIOS. So, I made a Debian USB installer and booted the apu2 from it. For the "utility" OS, I made a decision to use Debian Linux, simply because I like Debian.