Hello.
First. let us examine what makes the modern Mac.
This is an Intel or Asus board with a TPM chip to verify that it is to be a Mac, a minor BIOS change, a fancy case, but little more.
People run the Mac OS on other computers all the time.
The Dell Vostro A90 is a classic example.
http://gizmodo.com/5156903/how-to-ha...e-os-x-netbook