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Intel 80486SX

Index Intel 80486SX

Intel's i486SX was a modified Intel 486DX microprocessor with its floating-point unit (FPU) disabled. [1]

11 relations: Compaq, Computer-aided design, Floating-point unit, IBM, Intel, Intel 80486, Packard Bell, Quad Flat Package, X87, Zeos, Zero insertion force.


Compaq (a portmanteau of Compatibility And Quality; occasionally referred to as CQ prior to its final logo) was a company founded in 1982 that developed, sold, and supported computers and related products and services.

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Computer-aided design

Computer-aided design (CAD) is the use of computer systems to aid in the creation, modification, analysis, or optimization of a design.

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Floating-point unit

A floating-point unit (FPU, colloquially a math coprocessor) is a part of a computer system specially designed to carry out operations on floating point numbers.

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The International Business Machines Corporation (IBM) is an American multinational technology company headquartered in Armonk, New York, United States, with operations in over 170 countries.

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Intel Corporation (stylized as intel) is an American multinational corporation and technology company headquartered in Santa Clara, California, in the Silicon Valley.

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Intel 80486

The Intel 80486, also known as the i486 or 486, is a higher performance follow-up to the Intel 80386 microprocessor.

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Packard Bell

Packard Bell is a Dutch-based computer manufacturing subsidiary of Acer.

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Quad Flat Package

A QFP or Quad Flat Package is a surface mount integrated circuit package with "gull wing" leads extending from each of the four sides.

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x87 is a floating point-related subset of the x86 architecture instruction set.

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ZEOS (ZEOS International, Ltd.) was a PC manufacturer based in Minneapolis, Minnesota.

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Zero insertion force

Zero insertion force (ZIF) is a type of IC socket or electrical connector that requires very little force for insertion.

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Redirects here:

486 SX, 486SX, 486sx.


[1] https://en.wikipedia.org/wiki/Intel_80486SX

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