intel 486dx

Computing Dictionary

Intel 486DX definition

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.
The Free On-line Dictionary of Computing, © Denis Howe 2010
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