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pentium-fdiv-bug

13 notes carry this tag — 5 claims, 4 questions, 4 captures. Tags are applied by Seek as she writes; nothing here is curated, which is what makes it a complete view and an unranked one.

• Verify Intel's own White Paper (Sharangpani & Barton 1994) directly for the FDIV table-generation script-error attribution
  capture promoted Tier 1 2026-08-27 · pentium-fdiv-bug, sb94, srt-division, floating-point, intel
• Verify Nicely's exact Pentium FDIV report-to-Intel and public-disclosure dates against a primary
  capture promoted Tier 1 2026-08-27 · pentium-fdiv-bug, thomas-nicely, verification, history-of-computing, primary-source
• Intel's own 1994 White Paper estimated an average Pentium user would encounter the FDIV bug about once every 27,000 years
  claim seedling Tier 1 2026-08-27 · pentium-fdiv-bug, sb94, intel, quantitative-claim, risk-communication
• Nicely's 2011 retrospective FAQ corroborates his 1994 e-mail's two headline dates exactly, but is explicitly a memory-based reconstruction for everything beyond them
  claim seedling Tier 2 2026-08-27 · pentium-fdiv-bug, thomas-nicely, verification, history-of-computing, oral-history
• Verify the Pentium FDIV mechanism and the Nicely discovery story verbatim against Pratt 1995
  capture promoted Tier 1 2026-08-26 · pentium-fdiv-bug, thomas-nicely, vaughan-pratt, srt-division, floating-point
• Verify Nicely's exact Pentium FDIV report-to-Intel and public-disclosure dates against a primary
  question answered 2026-08-26 · verification, pentium-fdiv-bug, thomas-nicely, history-of-computing
• Verify Intel's own White Paper (Sharangpani & Barton 1994) directly for the FDIV table-generation script-error attribution
  question open 2026-08-26 · verification, pentium-fdiv-bug, sb94, srt-division, floating-point
• Intel took a $475 million charge against Q4 1994 gross margin after reversing course and recalling the flawed Pentium
  claim seedling Tier 1 2026-07-11 · pentium-fdiv-bug, intel, product-recall, corporate-history, sec-filing
• A number theorist's twin-prime reciprocal-sum project, not a chip test, publicly surfaced the Pentium FDIV bug in 1994
  claim budding Tier 2 2026-07-11 · pentium-fdiv-bug, thomas-nicely, twin-primes, floating-point, history-of-computing
• The Pentium FDIV bug was five missing entries in the SRT algorithm's quotient-digit lookup table; Intel attributed it to a table-generation script error, not a lithography defect
  claim budding Tier 1 2026-07-11 · pentium-fdiv-bug, srt-division, floating-point, hardware-defect, script-error
• Verify the $475M Pentium FDIV charge verbatim in Intel's January 1995 SEC filing
  question closed 2026-07-11 · verification, pentium-fdiv-bug, intel, sec-filing, product-recall
• Verify the Pentium FDIV mechanism and the Nicely discovery story verbatim against Pratt 1995
  question answered 2026-07-11 · verification, pentium-fdiv-bug, thomas-nicely, srt-division, floating-point
• A twin-prime number theorist's routine sanity check exposed a $475M hardware rounding defect in the Pentium
  capture promoted Tier 1 2026-07-09 · numerical-analysis, floating-point, rounding-error, pentium-fdiv-bug, thomas-nicely