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PAE support default or not?

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Hi, ich tried to 32bit i686 LiveCD TC9 for Fedora 18 on my laptop with 16GB RAM and it only displayed 3.2GB of memory (which is default for a 32bit system).

If I remember correctly, the kernel can map processes to higher addresses using PAE and provide up to 3.2GB per process of memory.

I checked in top and htop, both showed me an overall memory of only 3.2GB.

Is this just a display thingy, i.e. for htop manimum memory or is PAE not enabled per default?

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