RAM question for everyone!

Matthew Flaschen matthew.flaschen at gatech.edu
Fri Jan 23 17:42:31 UTC 2009


Kaplan, Andrew H. wrote:
> Hi there --
> 
> One question that needs to be answered is whether or not the operating system in
> question is 32-bit or 64-bit architecture. 
> 
> The 32-bit architecture has a 'glass
> ceiling' limit of up to 4 gigabytes of RAM that it can access.

It's more of a ice ceiling.  With Physical Address Extension, you can
bring it up to 4 GB /per process/, and 64 GB total, but it's typically
not worth the hassle.

However, the OP mentioned 8 GB for one app, so I assume it's 64-bit.

Matt Flaschen




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