hp z800 workstation

Hello! Recently, I acquired an old HP Z800 Workstation from a friend. I plan on using it as an Unraid Server, so I bought two Xeon X5670 CPUs and installed them, but now they are not correctly recognized by Unraid itself or a different Linux Distro I tried (EndeavourOS). My BIOS is on the...

I am having trouble setting time and date in bios of a HP z800 Workstation. When I try using + or - to increase values or page down or page up the little flashing _ goes away and nothing happen. The flashing _ only reappears when I hit up arrow or down arrow keys. Strange part is when I use 2 or...