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IBM PC (5150) Troubleshooting Guide: Revision history

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16 July 2026

21 May 2026

  • curprev 10:3610:36, 21 May 2026 Josh talk contribs 20,642 bytes +13,283 Self-sufficient rewrite: embed the actual minuszerodegrees board photos with attribution; embed full IBM PC POST numeric error code tables (1xx through 17xx) inline; embed the known-problems list inline. References now attribute the source rather than substitute for the content. undo
  • curprev 10:2510:25, 21 May 2026 Josh talk contribs 7,359 bytes −3,372 Rewrite with verified information only — remove fabricated part numbers (CGA 1501486, MDA 1501481, FDD Adapter 1501507, Fixed Disk Adapter 6181682, Model F dimensions/weight), remove placeholder image filenames, replace speculative capacitor designator table with verified minuszerodegrees.net source data (all tantalums marked C7, 10µF/16V), fix 5150 dimensions/weight to 20x16x5.5 inches / 21-28 lbs, fix Model F dimensions/weight to 19x9x1.5in / 7lb4oz / 3.3kg. Per Joshua's feedback: never pub... undo
  • curprev 10:0310:03, 21 May 2026 Josh talk contribs 10,731 bytes −27 Clean up red links: create supporting pages for relevant items, unlink tangential ones (IBM 5100, Datamaster, NEC V20, Soarer's Converter, DIP switch reference, Memtest86, Model F foam pad replacement) undo

20 May 2026

  • curprev 23:5423:54, 20 May 2026 Josh talk contribs 10,758 bytes +10,758 Create symptom-driven troubleshooting guide: POST beep codes, parity errors, bank-0 RAM failure, keyboard 301, video/MDA/CGA, V20 swap notes, and 8088 interrupt bug.
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