HIGHMEM64G. Or better yet, use a 64-bit kernel.
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It may be a little odd, but I have a 64-bit x86 that I'm running 32-bit
kernel.  Mostly because I had some odd problems with various programs I was
using.  But was what more odd was the fact that I had a little less memory
(~100mb) with a 64-bit kernel than with a 32-bit PAE kernel.

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 Lab tests show that use of micro$oft causes cancer in lab animals
 Got Gas???
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