Currently Being ModeratedDec 25, 2012 8:18 AM (in response to Paulfhannan)
No you can not install any earlier versions of OS X, because they do not support the newer Mac Mini.
Currently Being ModeratedDec 25, 2012 9:13 AM (in response to Paulfhannan)
Currently Being ModeratedJan 31, 2013 10:51 AM (in response to Linc Davis)
That topic discusses the totally working option of installing Snow on a 2011 Mini. Ivy Bridge however is a step to far. But the shown page shows a little hint on using virtualisation to run Snow inside Mountain Lion. Virtualisation is the only option for now.
Currently Being ModeratedFeb 20, 2013 9:43 PM (in response to Blanka)
Running Snow Leopard (with Rosetta) in Parallels:
[click on image to enlarge]
Full Snow Leopard installation instructions here:
NOTE: Computer games with complex, 3D or fast motion graphics make not work well or at all in virtualization.