Linked by Thom Holwerda on Sun 22nd Jul 2007 15:26 UTC
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Member since:
2005-11-11
32 bit address bus translates to 2^32 addresses, that much is true.
But, it doesn't mean that an OS running on a CPU with 32 bits address bus can only do 4 GB.
Here's how it can be done:
http://en.wikipedia.org/wiki/Physical_Address_Extension
Solaris, Linux and Windows XP all support more than 4 GB of physical memory while being 32 bit for example.