On a server with debian installed? not in this mode, from scratch with the proxmox-ve 6.2.1 iso on a computer without operating system, server motherboard S1200BTS + Intel Xeon CPU E1225 @ 3.10GHz + 8GB RAM ECC + with 4 rigid disks of 500GB each in RAID 0. Proxmox-ve 5.4.3 works fine on this...