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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]
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
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 ...
Physical Address Extension (PAE). No-eXecute (NX). Streaming SIMD Extensions 2 (SSE2). CMPXCHG16b (CX16). To confirm the processor has the required features, you can use the Microsoft Coreinfo ...
For example, x86 computers can address more than 4 gigabytes of memory with the Physical Address Extension (PAE) feature in an x86 processor. Still, an ordinary 32-bit PCI device simply cannot address the memory above the 4 GiB boundary, and thus it cannot directly access it.
In computing, Page Size Extension (PSE) refers to a feature of x86 processors that allows for pages larger than the traditional 4 KiB size. It was introduced in the original Pentium processor, but it was only publicly documented by Intel with the release of the Pentium Pro . [ 1 ]
If PAE is enabled or the processor is in x86-64 long mode this bit is ignored. [14] 5: PAE: Physical Address Extension: If set, changes page table layout to translate 32-bit virtual addresses into extended 36-bit physical addresses. 6: MCE: Machine Check Exception: If set, enables machine check interrupts to occur. 7: PGE: Page Global Enabled
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