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  2. Physical Address Extension - Wikipedia

    en.wikipedia.org/wiki/Physical_Address_Extension

    However, "client" versions of 32-bit Windows (Windows XP SP2 and later, Windows Vista, Windows 7) limit physical address space to the first 4 GB for driver compatibility [16] even though these versions do run in PAE mode if NX support is enabled. Windows 8 and later releases will only run on processors which support PAE, in addition to NX and SSE2.

  3. Executable-space protection - Wikipedia

    en.wikipedia.org/wiki/Executable-space_protection

    NX memory protection has always been available in Ubuntu for any systems that had the hardware to support it and ran the 64-bit kernel or the 32-bit server kernel. The 32-bit PAE desktop kernel (linux-image-generic-pae) in Ubuntu 9.10 and later, also provides the PAE mode needed for hardware with the NX CPU feature.

  4. 3 GB barrier - Wikipedia

    en.wikipedia.org/wiki/3_GB_barrier

    Many 32-bit computers have 32 physical address bits and are thus limited to 4 GiB (2 32 words) of memory. [3] [4] x86 processors prior to the Pentium Pro have 32 or fewer physical address bits; however, most x86 processors since the Pentium Pro, which was first sold in 1995, have the Physical Address Extension (PAE) mechanism, [5]: 445 which allows addressing up to 64 GiB (2 36 words) of memory.

  5. x86-64 - Wikipedia

    en.wikipedia.org/wiki/X86-64

    This is a 4096-fold increase over the default 2 GiB user-mode virtual address space offered by 32-bit Windows. [108] [109] 8 TiB of kernel mode virtual address space for the operating system. [108] As with the user mode address space, this is a 4096-fold increase over 32-bit Windows versions.

  6. NX bit - Wikipedia

    en.wikipedia.org/wiki/NX_bit

    It is only available with the long mode (64-bit mode) or legacy Physical Address Extension (PAE) page-table formats, but not x86's original 32-bit page table format because page table entries in that format lack the 64th bit used to disable and enable execution. Windows XP SP2 and later support Data Execution Prevention (DEP).

  7. Memory paging - Wikipedia

    en.wikipedia.org/wiki/Memory_paging

    Windows can be configured to use free space on any available drives for page files. It is required, however, for the boot partition (i.e., the drive containing the Windows directory) to have a page file on it if the system is configured to write either kernel or full memory dumps after a Blue Screen of Death. Windows uses the paging file as ...

  8. 10 best Walmart Advent calendars that haven't sold out yet

    www.aol.com/lifestyle/best-advent-calendars-that...

    $10 at Walmart. Funko Pixar Advent Calendar. $56 at Walmart. 24 Days Of Stationery Advent Calendar. $21 at Walmart. 24 Days of Christmas Gifts . $40 at Walmart. Elf: The Official Advent Calendar.

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

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

    PAE enables physical addresses beyond 4GB. 32-bit Windows OSs are limited to 4GB of virtual address space. Jeh 05:07, 8 January 2010 (UTC) The MikroS-PR marketed in-genius cover up and MS pr-dept. have to feed 'MS do not lience PAE' what mean == 'PAE does not work on 32 MikS. It works fine on 32-bit Server editions.