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Intel’s Pentium FDIV bug and recall

1 · David Farquhar · June 12, 2026, 11:37 a.m.

retro computing Intel Pentium FDIV Bug CPU recall

Summary

In 1994, a mathematics professor uncovered the Pentium FDIV bug in Intel's new CPU, which led to the company recalling 60,000 units due to incorrect division calculations.

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