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64bit is the only way to address 32bit addressing limit. it's related to 32bit chip architecture not to particular operating system. what's amusing is the length of the article. putting that much effort into article (and research) without finding basic things about computers their architecture deserves more than few points down.

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Think of PAE as an apartment building. Every apartment is 4GB in size. Every tenant (process) can only occupy a single apartment. The building however can host multiple tenants because it can put them in different apartments. Windows vista says the entire house is full when only a single apartment is occupied.

I think you need to re-read the article. It is not about going around the 32 bit address-space limit. It is about utilizing all available memory in a 32 bit system. Which has everything to do with the operating system.

yep, it kinda reminds me to a those small pieces of software that would double your physical memory for 39$.

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