lsi 9341-4i

Hello, I am trying to install Proxmox 5.2 on a server with LSI 9341-4i and a LSI HBA. Two Disks for my OS are configured as Raid 1 on the 9341. On the HD-selection menu during install the installer shows all of the HBA-Disks but none connected to the 9341. (I've checked a Ubuntu install and...