I picked up an older IBM tower server and it does not have an OS installed. I was looking for some suggestions on a OS to use that has a GUI and supports RHL Enterprise 7(IBM has drivers available for that). Mind you it is Pentium D server class CPU(plan to upgrade it to a socket 765 Xeon soon) but will work for basic stuff. As it was used it a retail store that closed, they had a custom version of Windows XP at the store but the installation disc they accidentally gave me is password locked in order to install so I am forced to look at other options.