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PAE (Physical Address Extention)

Physical Address Extension (PAE) is a feature to allow (32-bit) x86 processors to access a physical address space larger than 4 gigabytes. This includes RAM {Random Access Memory} and memory mapped devices.

Sometimes referred to as PAE-Highmem.

Your CPU has to support this. (Older ones might not)
If you have less then 4GB memory, the PAE is of no use.

Some versions of Puppy have a PAE version available, including Puppy 5.3 Slacko

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