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Show new changes starting from 03:56, 4 October 2026
 
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1 October 2026

     18:20  IBM PS/2 Model 80 4 changes history +130 [Josh (4×)]
     
18:20 (cur | prev) +10 Josh talk contribs (Point the documentation list at IBM PS/2 Model 80 Hardware Maintenance Service)
     
18:20 (cur | prev) +12 Josh talk contribs (Point the documentation list at IBM PS/2 Model 80 Hardware Maintenance Reference)
     
18:17 (cur | prev) +53 Josh talk contribs (Link the documentation page IBM PS/2 Model 80 Hardware Maintenance Service)
     
18:17 (cur | prev) +55 Josh talk contribs (Link the documentation page IBM PS/2 Model 80 Hardware Maintenance Reference)
N    18:10  IBM PS/2 Model 80 Hardware Maintenance Service diffhist +1,386 Josh talk contribs (Documentation page for the hosted PDF: title, contents, gaps and citing pages)
     18:10  File:IBM PS2 Model 80 HMR.pdf diffhist +67 Josh talk contribs (Link the documentation page IBM PS/2 Model 80 Hardware Maintenance Reference)

30 September 2026

     21:39  IBM PS/2 Model 80 Troubleshooting Guide diffhist −3,193 Josh talk contribs (Rewrite around IBM's Model 80 HMS S15F-2199-01 symptom index and HMM Micro Channel checkout; remove uncited 'SMD electrolyte leakage' section (the planar has none), edit-history sections and PSU/stiction claims; fix Ardent attributions; add board ID, memory, keyboard and SCSI procedures)
     21:37  IBM PS/2 Model 80 Maintenance Guide diffhist −2,767 Josh talk contribs (Rewrite: cite new Model 80 HMR/HMS and both TechRefs; add Power Good timing (TechRef 1987), 1 s vs 10 s restart, coprocessor orientation and FRUs, terminator rules, HMS memory procedures; fix 'no Power Good figure published' and Type 1 memory; attribute Ardent contributors; de-bold)
     21:35  IBM PS/2 Model 80 diffhist −319 Josh talk contribs (Rewrite: add all submodel announcements (190-054, 190-177) and prices, cite new Model 80 HMR/HMS uploads and TechRefs; fix Type 1 memory (1-2 MB per TechRef, not 4 MB), weight (HMR), schematics are third-party; drop uncited developer/NetWare; frameless infobox image)
     21:32 Upload log Josh talk contribs uploaded File:IBM PS2 Model 80 HMR.pdf (IBM PS/2 Model 80 Hardware Maintenance Reference S64F-3995-01 (Sept 1990))

27 September 2026

     10:36  IBM PS/2 Model 80 Troubleshooting Guide diffhist +6,485 Josh talk contribs (Rebuild against Ardent Tool's three 8580 planar pages: there are three planar types not two, and the -111/-311 models were on the wrong one; 'seven 32-bit MCA slots' and 'one 8-bit MCA slot' do not exist (Types 1/2 have three 32-bit and five 16-bit, Type 3 four and four); the 70 ns memory requirement is unsourced (both documented kits are 80 ns); replace the three invented ECAs with the real ECA 051 (8580 memory parity errors, FCT841 modules at U24/U34) in IBM's own words; '161 - replace DS12...)