mini itx

Hi all, I'm building my second (mini-ITX) node to replace my old NAS. But having a problem with the Gigabyte B550 Aorus elite ax v2 only recognising five of the ten Sata ports on my HBA, and oddly the onboard Sata is not seeing HDs also with the HBA installed. ELIATER PCIe SATA Card 10 Port...

I got the following ITX motherboard ASUS J1800I-A ( https://www.newegg.com/asus-j1800i-a-mini-itx/p/N82E16813132104?Item=9SIARTEDT35545 ). I am able to install ubuntu desktop and windows fine. IF I use the same usb and try to install Proxmox it will not launch the klauncher for it and will just...