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  This page contains information of the FreeBSD port to AMD's AMD64 and Intel®
    64 architecture, often also known as x86-64
 or
    x64
.  &os;/amd64 is suitable for almost all recent
    AMD and Intel CPUs.
The
    AMD64 architecture was previously known as Hammer
.
    The Intel 64 architecture was previously known as Yamhill,
    Clackamas Technology (CT), IA-32e, and EM64T (Extended Memory 64-bit
    Technology).
Newer AMD Sempron™, the AMD Opteron™, AMD Athlon™
    64, AMD Turion™ and AMD Phenom™ processors, and processors
    with AMD Bulldozer
 and Bobcat
 cores all use the AMD64
    architecture.
The Intel vPro™, Intel Celeron D (some models since Prescott
),
    Intel Centrino® Duo, Intel Centrino® Pro,
    Intel Viiv™, Intel Core™2 Extreme, Intel Core™2 Quad,
    Intel Core™2 Duo, Intel Xeon (3000-sequence, 5000-sequence, and
    7000-sequence), and the Intel Core™ i range of processors use
    the Intel® 64 architecture.
FreeBSD/amd64 runs in 64-bit multiuser mode, in both Uniprocessor and Multiprocessor mode.
The AMD64 platform is a Tier 1 FreeBSD platform.