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  2. Physical Address Extension - Wikipedia

    en.wikipedia.org/wiki/Physical_Address_Extension

    In computing, Physical Address Extension (PAE), sometimes referred to as Page Address Extension, [1] is a memory management feature for the x86 architecture. PAE was first introduced by Intel in the Pentium Pro, and later by AMD in the Athlon processor. [2]

  3. Intel 5-level paging - Wikipedia

    en.wikipedia.org/wiki/Intel_5-level_paging

    [1]: 16 If the bit is not set, or the 5-level paging feature is not supported, the processor uses the 4-level page table structure when operating in 64-bit mode. [3]: 4-22 This is similar to Physical Address Extension (PAE), where the third level of paging tables to allow 36-bit addressing was enabled by setting a bit in the CR4 register.

  4. x86-64 - Wikipedia

    en.wikipedia.org/wiki/X86-64

    When operating in legacy mode the AMD64 architecture supports Physical Address Extension (PAE) mode, as do most current x86 processors, but AMD64 extends PAE from 36 bits to an architectural limit of 52 bits of physical address. Any implementation, therefore, allows the same physical address limit as under long mode. [11]: 24

  5. x86 - Wikipedia

    en.wikipedia.org/wiki/X86

    Physical Address Extension or PAE was first added in the Intel Pentium Pro, and later by AMD in the Athlon processors, [47] to allow up to 64 GB of RAM to be addressed. Without PAE, physical RAM in 32-bit protected mode is usually limited to 4 GB. PAE defines a different page table structure with wider page table entries and a third level of ...

  6. Talk : Physical Address Extension/Archives/2014/August

    en.wikipedia.org/wiki/Talk:Physical_Address...

    "Physical Address Extension (PAE) enables x86 processors to access up to 64 GB of physical memory and x64 processors to access up to 1024 GB of physical memory." —Preceding unsigned comment added by 87.153.61.35 11:16, 27 January 2009 (UTC) Also, the table legend is not clear : what is the definition of the columns.

  7. PCI hole - Wikipedia

    en.wikipedia.org/wiki/PCI_hole

    A workaround first developed in the Pentium Pro, known as Physical Address Extension (PAE), allows certain 32-bit operating systems to access up to 36-bit memory addresses, even though individual programs are still limited to operating within 32 bits of address space. Provided there is enough memory installed, each program can have its own four ...

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  9. PAE - Wikipedia

    en.wikipedia.org/wiki/PAE

    Physical Address Extension, an x86 computer processor feature for accessing more than 4 gigabytes of RAM; Power added efficiency, a percentage that rates the efficiency of a power amplifier; Post Antibiotic Effect, the period of time following removal of an antibiotic drug during which there is no growth of the target organism