Frequently Asked Questions
The most-asked questions about microprocessors, part 2.
What exactly is the Microprocessor Fan Encyclopedia, Part 2?
It is a community-maintained, unofficial reference volume that picks up where Part 1 left off, covering microprocessor designs, architectures, and industry history from the mid-1980s onward. Unlike a textbook, it is organized around entries written by enthusiasts rather than a single editorial voice.
Who are the central figures most discussed in Part 2?
The volume gives sustained attention to architects such as John Cocke, Andy Beato, and the teams behind the ARM, PowerPC, and x86-64 lineages. It also profiles key industry players like David Patterson and the engineers at Intel, AMD, and Apple who shaped the modern landscape.
Where should a complete beginner start reading?
The recommended entry point is the 'Reading Order' sidebar, which begins with the overview article on superscalar design before moving into specific chip family pages. Most readers find the ARM and x86-64 introductions the most accessible starting chapters.
What time period does Part 2 actually cover?
It spans roughly 1985 through the present, beginning with the 386 and 68020 generation and extending into the era of heterogeneous SoCs and chiplet-based designs. Each chapter is loosely anchored to a product generation rather than a strict calendar year.
What is considered the most celebrated entry in the volume?
The deep-dive article on the transition from in-order to out-of-order execution is widely cited by readers as the standout piece. It walks through the engineering reasoning behind the 586 and P6 pipelines and is frequently shared in hobbyist forums.
How is Part 2 structured compared to Part 1?
Part 1 is arranged chronologically by chip release, while Part 2 is organized thematically around architectural concepts such as branch prediction, cache hierarchies, and memory models. This shift lets readers follow a single idea across multiple vendors and generations.
Who writes and maintains the entries?
A loose collective of retired silicon engineers, university professors, and long-time hobbyist contributors curates the content through a public review process. No single publisher or corporation holds editorial control over the text.
What is the most debated or controversial topic in Part 2?
The relative legacy of the 68000 family versus the early x86 line generates the most heated discussion in the community comments. Several entries on the subject have been rewritten multiple times as contributors push back on perceived bias.
Are there any 'hidden gems' or lesser-known chips featured?
Yes—dedicated entries exist for short-lived designs like the Intel i960, the Motorola 88110, and the early ARM7 variants that never reached mass production. These pages often include scanned datasheet excerpts and personal recollections from the original design teams.
How can a reader suggest a correction or propose a new entry?
The project uses a public issue tracker where anyone can file a suggestion or flag an inaccuracy, and accepted additions are merged after at least two peer reviews. Contributors are credited by handle rather than real name unless they opt in.