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Intel 64

Intel 64

A 64-bit upgrade to Intel's 32-bit x86 (IA-32) architecture. Originally designated as EM64T (Extended Memory 64 Technology), Intel 64 added a set of 64-bit instructions that were compatible with AMD's 64-bit instructions (see AMD64). Introduced in 2004, Xeons were the first CPUs to incorporate Intel 64 along with other enhancements such as the PCI Express bus and DDR2 memory.

With the introduction of Intel 64, Intel offers 64 bits in two CPU families: the 32/64-bit x86 (IA-32) line and the 64-bit Itanium (IA-64) line. See IA-64, x64, x86 and 64-bit computing.

Legacy Mode
PCs with Intel 64 CPUs that run only 32-bit software (OS, drivers and applications) will not experience any performance increase.

Compatibility Mode
When only the operating system and drivers have been recompiled for 64 bits, and the applications have not, the applications may experience only a slight performance increase.

64-Bit Mode
PCs take full advantage of the Intel 64 architecture when the operating system, all drivers and the applications have been recompiled for 64 bits.
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References in periodicals archive
The processor supports the Intel AMT 9.0 Technology, Intel 64, the Intel Virtualization Technology, VT-d Virtualized I/O and Intel's Trusted Execution Technology.
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Processors will not operate (including 32-bit operation) without an Intel 64 architecture-enabled BIOS.
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Illustratively INTEL 64 Chip was designed in India and not in the West Coast.
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In addition, the 15" to 19" high performance AIS intelligent touch panels are powered by the Intel Core 2 Duo 2.0GHz Processors with enhanced Intel SpeedStep Technology (EIST), Intel 64, and iAMT2 (Intel Active Management) technology for industrial embedded applications.
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Has raised a total of $34 million of funding from venture capitalists, including BA Venture Partners, Dell Ventures, and Intel 64 Fund.
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SpeechWorks International, Inc., has received an investment from the Intel 64 Fund.
SPEECHWORKS RECEIVES INVESTMENT FROM INTEL 64 FUND
The notebooks feature a choice of Intel Core 2 Duo Processors supporting Intel 64 architecture, the Intel GS45 Express chipset and either 3GB or 4GB of fast SDRAM.
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The new funding was provided by Fidelity Ventures, Granite Ventures, Oak Investment Partners, and the Intel 64 fund.
Apogee Changes Name and Secures Funding
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