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Show new changes starting from 16:55, 30 September 2026
 
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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...)
     08:59  IBM PS/2 Model 80 Capacitor Replacement Guide diffhist +67 Josh talk contribs (Link the documentation page for each cited manual, keeping the File: link as the direct download)

25 September 2026

     00:19  IBM PS/2 Model 80 diffhist +260 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 PS2 Model 80 Schematics.pdf diffhist +1,158 Josh talk contribs (P4 verification: real File: description - document identity from its own title page, page count, honest source note and honest licence block)
     00:16  IBM PS2 Model 80 Technical Reference (October 1990) diffhist +3,394 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 PS2 Model 80 Technical Reference (April 1987) diffhist +4,193 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 PS2 Model 50 Schematics diffhist +4,148 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 PS2 Model 30 Schematics diffhist +3,826 Josh talk contribs (P4 verification: real documentation page - title as printed, part/form number, edition, contents, honest gaps, what it settles, cross-links)