4GB of RAM in MacOSX 10.5, only 3GB in MacOSX 10.6

Posted by Albert on Super User See other posts from Super User or by Albert
Published on 2010-05-12T22:09:12Z Indexed on 2010/05/12 22:14 UTC
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osx

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osx-snow-leopard

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memory

Hi,

I was using MacOSX 10.5 on my MacBook until today and I had 4GB of memory there.

Now I have updated to MacOSX 10.6 and it only displays 3GB.

Why is that? How can I fix it?

Also, I am a bit wondering why most people (well, most of the Google hits explained the 3GB issue that way -- leaving out the fact that it has worked earlier) are saying that a 32bit system can under no circumstances access more than 3.2GB. Don't we have PAE nowadays in most systems?

Thanks, Albert

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