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25 September 2026
| 08:54 | Capacitor Failure Symptoms diffhist +1,692 Josh talk contribs (P4 verification: add worked examples of ESR-rise and RIFA failure from the two hosted Pina books, with the U.S./International designator warning) | ||||
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00:20 | IBM PC (5150) 2 changes history +219 [Josh (2×)] | |||
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00:20 (cur | prev) −79 Josh talk contribs (P4 verification: remove the now-duplicated manual link bullet (superseded by the fuller documentation line)) | ||||
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00:19 (cur | prev) +298 Josh talk contribs (P4 verification: link the IBM manuals hosted on this wiki that document this machine (they were unlinked from every article)) | ||||
| 00:19 | IBM 5153 diffhist +143 Josh talk contribs (P4 verification: link the IBM manuals hosted on this wiki that document this machine (they were unlinked from every article)) | ||||
| 00:19 | IBM PC XT (5160) diffhist +265 Josh talk contribs (P4 verification: link the IBM manuals hosted on this wiki that document this machine (they were unlinked from every article)) | ||||
| 00:18 | File:IBM 5153 Color Display Service Manual (Sams).pdf diffhist +937 Josh talk contribs (P4 verification: real File: description - document identity from its own title page, page count, honest source note and honest licence block) | ||||
| 00:17 | IBM Personal Systems Reference - Monitors diffhist +1,759 Josh talk contribs (P4 verification: real documentation page - title as printed, part/form number, edition, contents, honest gaps, what it settles, cross-links) | ||||
| 00:16 | IBM Monitor Repair Notes (Models 8512, 8513, 8514) diffhist +4,968 Josh talk contribs (P4 verification: real documentation page - title as printed, part/form number, edition, contents, honest gaps, what it settles, cross-links) | ||||
23 September 2026
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03:42 | IBM Color Graphics Adapter 3 changes history +4,258 [Josh (3×)] | |||
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03:42 (cur | prev) −422 Josh talk contribs (Drop the 5153 known-problems citation from the CGA page; the brown behaviour is cited to the schematic extract instead) | ||||
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03:42 (cur | prev) +367 Josh talk contribs (Cite the minuszerodegrees dark-yellow-to-brown schematic extract for the brown behaviour rather than the 5153 known-problems page) | ||||
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03:20 (cur | prev) +4,313 Josh talk contribs (Rebuilt from IBM's own Options and Adapters reference (now hosted here). Corrects the mode 4/5 palette table, which had the two palettes the wrong way round and called IBM's brown 'yellow'; adds IBM's colour-select bit 5 / bit 4 definitions, the jumper-selected 7x5 and 7x7 fonts in an 8x8 box, 7/14 MHz non-interlaced operation, the three video interfaces and the character-set breakdown; <ref>-cited) | ||||
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03:42 | IBM 5153 2 changes history +6,657 [Josh (2×)] | |||
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03:42 (cur | prev) +346 Josh talk contribs (Cite the minuszerodegrees dark-yellow-to-brown schematic extract for the brown behaviour rather than the 5153 known-problems page) | ||||
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03:20 (cur | prev) +6,311 Josh talk contribs (Rebuilt from IBM's own Options and Adapters specification (now hosted here), the hosted Sams service data and minuszerodegrees: vertical drive is 50/60 Hz not 60 Hz, 13-inch/340 mm CRT and 8x8 character matrix added from IBM, added the 5153's own mains supply and IBM's 450 V warning, replaced invented 'convergence trimmer' advice with the Sams symptom-to-designator table, corrected the brown/dark-yellow explanation and cited IBM's own palette wording; <ref>-cited) | ||||
| 03:37 | IBM PC (5150) diffhist +10,287 Josh talk contribs (Rebuilt against IBM's 5150 Technical Reference (hosted here) and minuszerodegrees. The big correction: there was never a 130 W 'Type 2' power supply for the 5150 - the supply is ~63 W throughout, IBM put the 130 W unit in the XT for exactly this reason, and IBM's own hard-disk answer for the 5150 was the 5161 Expansion Unit. Also: three released BIOS revisions plus an 08/16/82 that may never have shipped (not 'four documented'); the 10/27/82 BIOS requires all four RAM banks populated; five RO...) | ||||
| N 03:16 | IBM Options and Adapters - IBM Color Display diffhist +2,008 Josh talk contribs (Documentation page for newly hosted IBM Options and Adapters technical reference section) | ||||
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02:15 | Capacitor Failure Symptoms 2 changes history +12,684 [Josh (2×)] | |||
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02:15 (cur | prev) −40 Josh talk contribs (Remove self-referential wording per house rule) | ||||
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02:07 (cur | prev) +12,724 Josh talk contribs (Rewrite with full citations (Nichicon CAT.8101H hosted here, Vishay 40110, KEMET F3011): corrected 60 Hz hum to twice mains frequency, corrected bulging mechanism to Nichicon gas generation, added missing film/X2 suppression section, added tantalum derating 60-50 percent, added Class II ceramic DC-bias behaviour, replaced Japanese-brand rule with no-datasheet-no-purchase, replaced IPA-only cleanup with Nichicon soap-and-water plus never acidic/alkaline, replaced reforming folklore with Nichic...) | ||||
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02:15 | CRT Discharge Procedure 2 changes history +11,081 [Josh (2×)] | |||
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02:15 (cur | prev) −45 Josh talk contribs (Remove self-referential wording per house rule) | ||||
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02:05 (cur | prev) +11,126 Josh talk contribs (Rewrite against Apple Service Guide 1990 and Goldwasser CRT notes: corrected earth-return point (ground lug, never logic board), added never-wear-a-wrist-strap rule and implosion/goggles hazard, replaced unsourced 25 kV blanket with sourced per-class figures, replaced dead-short tool with resistive tooling, removed invented 30-min wait / 10-s hold / 10-15-min re-discharge interval, added ongoing shorting lead and aquadag mechanism; full ref citations) | ||||
22 September 2026
| 00:36 | IBM PC XT (5160) diffhist +7,088 Josh talk contribs (Verify against IBM 5155/5160 TechRef and minuszerodegrees; add inline <ref> citations. Corrections: dimensions/weight replaced with IBM figures (498x411x147 mm, 14.2 kg) instead of Wikipedia approximations; "Xebec 1210 MFM controller" corrected to IBM Fixed Disk Adapter (built for IBM by Xebec); slot 8 1801 error applies to accelerator cards; 1986 BIOS caveats named; removed unsourced "eXtended Technology" and "5160-788 only XT with CGA" claims; 3270 PC and XT/286 moved out of the 5160 submod...) | ||||