Kernel - PAE vs. non-PAE

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When I installed F11 on my Toshiba laptop, it installed the PAE version of the kernel.  I am assuming that my laptop has a CPU with Physical Address Extensions functionality and can therefore address up to 64GB of memory.

My laptop only has 3 GB installed.  Can anyone explain the pro's and con's of using the PAE version of Linux kernel instead of the non-PAE version?

Would the PAE version of the 32-bit Linux Kernel see 4 GB of memory if it was installed where Vista 32-bits only sees about 3GB?  For that matter would the non-PAE version see the full 4 GB?

--
  Steven F. LeBrun

Quote: "There are 10 types of people in this world, those that understand binary and those who don't."

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