ALL meanings of intel 486dx
- noun Technical meaning of 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. 1