Intel 80486


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Intel 80486

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This 32-bit IBM compatible PC-based control, designed for multi-axis laser machining and welding, is equipped with an Intel 80486 microprocessor.
I had an occasion in which MSD identified a 90 MHz Pentium system as an Intel 80486 and a 14,400 baud modem as a 2400 baud crawler, and it couldn't identify the extra memory on the videoboard.
This optimization required about three minutes on a 33 MHz Intel 80486 based machine.
For example, the combination of pipelining and the use of large caches on the Intel 80486 microprocessor dropped critical load and store times to a single clock from four and two, respectively.
(An Intel 80486 microprocessor is under development.)