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Computing (FOLDOC) dictionary
Intel 486DX
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processor One of Intel's Intel 486 family of
microprocessors (one of the last before the Pentium). The
486DX has a working built-in floating point unit (FPU). The
Intel 486SX is effectively a DX with the FPU disabled. The
DX has a pin to select the external data bus width (16 or
32).