Intel 486DX

<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).

The Intel 487SX is a 486DX with a 486SX pinout.

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integration testing integrity constraint Intel 4004 Intel 4040 Intel 486	Intel 486 Intel 486SX Intel 487SX IntelDX4 RapidCAD	Intel 486SX Intel 487SX Intel 8008 Intel 80186 Intel 80188