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  2. x86-64 - Wikipedia

    en.wikipedia.org/wiki/X86-64

    Long mode is the architecture's intended primary mode of operation; it is a combination of the processor's native 64-bit mode and a combined 32-bit and 16-bit compatibility mode. It is used by 64-bit operating systems. Under a 64-bit operating system, 64-bit programs run under 64-bit mode, and 32-bit and 16-bit protected mode applications (that ...

  3. How to upgrade from 32-bit to 64-bit version of Windows 10 - AOL

    www.aol.com/news/upgrade-32-bit-64-bit-212659036...

    If you have a computer with a 32-bit setup, you can upgrade to the 64-bit version without acquiring a new license. The only caveat is that there is no in-place upgrade path to make the switch.

  4. 64-bit computing - Wikipedia

    en.wikipedia.org/wiki/64-bit_computing

    The term 64-bit also describes a generation of computers in which 64-bit processors are the norm. 64 bits is a word size that defines certain classes of computer architecture, buses, memory, and CPUs and, by extension, the software that runs on them. 64-bit CPUs have been used in supercomputers since the 1970s (Cray-1, 1975) and in reduced ...

  5. Long mode - Wikipedia

    en.wikipedia.org/wiki/Long_mode

    An x86-64 processor acts identically to an IA-32 processor when running in real mode or protected mode, which are supported modes when the processor is not in long mode.. A bit in the CPUID extended attributes field informs programs in real or protected modes if the processor can go to long mode, which allows a program to detect an x86-64 processor.

  6. List of AMD Athlon 64 processors - Wikipedia

    en.wikipedia.org/wiki/List_of_AMD_Athlon_64...

    Some features for Athlon 64 X2 processors include: [1] Use of HyperTransport technology for I/O devices; System Management Mode; 64-bit compatibility; Integrated Memory Controller; Coll'n'Quiet Technology; Single and Dual-Core Options; Scalability

  7. Intel Atom - Wikipedia

    en.wikipedia.org/wiki/Intel_Atom

    The lack of 64-bit Windows support for Cedarview processors has been speculated to be due to a driver issue. A member of the Intel Enthusiast Team has stated in a series of posts on enthusiast site Tom's Hardware that while the Atom D2700 (Cedarview) was designed with Intel 64 support, due to a "limitation of the board" Intel had pulled their ...

  8. List of Linux-supported computer architectures - Wikipedia

    en.wikipedia.org/wiki/List_of_Linux-supported...

    x86-64: 64-bit processor architecture, now officially known as AMD64 (AMD) or Intel64 (Intel); supported by the Athlon 64, Opteron and Intel Core 2 processors, among others; Cyrix 5x86, 6x86 (M1), 6x86MX and MediaGX (National/AMD Geode) series; VIA Technologies Eden (Samuel II), VIA C3, and VIA C7 processors (all 32-bit) and VIA Nano (x86-64 ...

  9. Athlon 64 - Wikipedia

    en.wikipedia.org/wiki/Athlon_64

    Formerly introduced as Mobile Athlon 64, Turion 64 is now the brand name AMD applies to its 64-bit low-power use (mobile) processors. The Turion 64 and Turion 64 X2 processors compete with Intel's mobile processors, initially the Pentium M and later the Intel Core and Intel Core 2 processors. Earlier Turion 64 processors are compatible with AMD ...