Definitions for "IA-32"
Intel Architecture 32-bit. Intel's 32-bit architecture, also known as x86. IA-32 chips span the early 1990s Intel 486 series to the seventh-generation Intel Pentium 4 and AMD Athlon chips. See also IA-64.
Intel's current architecture for Intel's processors based on their 32-bit instruction set. IA-32 chips include: 486, Pentium ®, and Pentium II ®.
Intel® Architecture, 32-bit. Intel's current 32-bit architecture, also known as x86. IA-32 chips include the 486, Pentium®, and Pentium® II.