Maximum Memory that can be
registered by your computer is limited by your Motherboard as well as your
operating system. For a list of maximum support memories on Windows based
machines, please visit http://msdn.microsoft.com/en-us/library/windows/desktop/aa366778(v=vs.85).aspx
For other operating systems
you will need to check the support pages for those distributions as the maximum
support can vary between the operating systems.