Cyrix CPU - Search
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  1. Overview

    Cyrix Corporation was a microprocessor developer that was founded in 1988 in Richardson, Texas, as a specialist supplier of
    In … See more

    History

    At the end of March in 1992, the Cyrix Cx486SLC was released. It was a x86 microprocessor that was pin compatible with the 386SX and made for notebook computer applications. Following up shortly after in Jun… See more

    Products

    The first Cyrix product for the personal computer market was a x87 compatible FPU coprocessor. The Cyrix FasMath 83D87 and 83S87 were introduced in November 1989. The 83D87 was pin compatible with the … See more

    Manufacturing partners

    Cyrix had always been a fabless company: Cyrix designed and sold their own chips, but contracted the actual semiconductor manufacturing to an outside foundry. In the early days, Cyrix mostly used Texas Instruments production … See more

    Legal troubles

    Unlike AMD, Cyrix had never manufactured or sold Intel designs under a negotiated license. Cyrix's designs were the result of meticulous in-house reverse engineering, and often made significant advances in the technology … See more

    Merger with National Semiconductor

    In August 1997, while the litigation was still in progress, Cyrix merged with National Semiconductor (who also already held an Intel cross-license). This provided Cyrix with an extra marketing arm and access to National Se… See more

    Legacy

    Although the company was short-lived and the brand name is no longer actively used by its current owner, Cyrix's competition with Intel created the market for budget CPUs, which cut the average selling price of PCs and … See more

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