The iAPX-432 was Intel's first 32-bit processor, released in 1981 as a set of 3 integrated circuits. It was to be their main architecture of the 1980s. It was very innovative, and complex, with direct hardware and microcode support for advanced multitasking, memory management, data structures, security, object-oriented and capability-based programming, and multiprocessing with up to 64 processors. Modern operating systems could be implemented in far less program code than for normal processors, because it did so much work internally in hardware. Intel called it the Micromainframe.

Related categories 7

Eden Node Machine
With iAPX-432 processors, monochrome bitmap displays, and furniture-grade oiled wood monitor and keyboard cases. Description, photo.
Intel iAPX 432
Growing article, with links to many related topics. [Wikipedia]
The Intel iAPX 432
By Henry M. Levy; Capability-Based Computer Systems, Digital Press, 1984, ISBN 0932376223. Book chapter, large: history, critique, diagrams. [free] [PDF]
Intel iAPX-432 Micromainframe
Includes resource: technical documents, components, packaging, releases, documentation, hardware, software, books, papers, theses, humor, links.
Overview of Intel 432, 1975-1985
Short critique and defense, with references; by Mark Smotherman.
[Chip_Mozilla]
Last update:
July 3, 2012 at 0:15:02 UTC
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