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25 September 2026
| 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)) | ||||
24 September 2026
| 22:08 | IBM PC XT/370 diffhist +3,544 Josh talk contribs (Fix refs so they render; IBM fits TWO cards not three - PC/370-P in slot 4 and PC/370-M in slot 3, with PC/3277-EM only on older machines and the 3278/79 or Remote Display Terminal adapter as alternatives; add IBMs model numbers (5160 Models 568/588/589), the 10 MB vs 20 MB fixed-disk configurations and IBMs unit specifications; host link is coax not twinax) | ||||
| 22:03 | IBM 3270 PC/GX diffhist +5,635 Josh talk contribs (Fix refs so they render; the 5379 is powered FROM the 5378, not from its own socket; remove the phantom 75-pin cable (62-way bus extender to the system unit, 2 m cables to the display); add IBMs own 5378 internals (Motorola 68000, 128 KB shared memory, +5/-5/+12/-12 V supply, eight logic cards incl up to three bit-plane cards) and the full 5379 specification; Model 016 is 576 KB on a /GX) | ||||
| 22:03 | IBM 3270 PC/G diffhist +5,930 Josh talk contribs (Fix refs so they render; the 5278 has NO mains lead - IBM states it is powered from the 5279; remove the phantom 75-pin connector (cables are 1 m and 680 mm; the /GX link is a 62-way bus extender); Model 016 is 640 KB on a /G not 576 KB (that is the /GX figure); the /G has no APA or PSS card; the 5277 mouse is an option not standard; add IBMs full 5278 and 5279 specifications) | ||||
| 22:03 | IBM 3270 PC diffhist +6,487 Josh talk contribs (Fix refs so they render; replace the invented model table with IBMs own (only Models 070/071 have the 20 MB disk; XMA is 1 MB not 2 MB; Models 024/026 use a Plasma Keyboard Adapter); the host link is COAX not twinax and is point-to-point with no terminator - IBMs test is <1 ohm at the connector; add the 3270 unique error-code to FRU table and the documented false 2801 and false 8505; state IBMs own note that all base system parts are 5160 XT parts) | ||||
22 September 2026
| 01:41 | IBM PC XT/370 Capacitor Replacement Guide diffhist +1,924 Josh talk contribs (Rebuild from IBM SA38-0037-00: removed all three invented card capacitor tables (IBM publishes nothing below card level for the 370 cards); corrected the card names and count - IBM says two cards, PC/370-P in slot 4 and PC/370-M in slot 3, with PC/3277-EM only on older models (5160 Models 568/588/589); removed the invented 'matched set' backplane-connector claim and the 5151/5153 CRT paragraph; fixed the red link to the XT guide; cleared Unverified data) | ||||
| N 01:28 | IBM 3270 PC AT/G and AT/GX Maintenance Information diffhist +2,482 Josh talk contribs (Create documentation page for newly hosted IBM field service manual (RTC verification drive)) | ||||
| N 01:28 | IBM 3270 PC Maintenance Information diffhist +2,754 Josh talk contribs (Create documentation page for newly hosted IBM field service manual (RTC verification drive)) | ||||
| 01:24 | Upload log Josh talk contribs uploaded File:IBM Personal Computer Family Service Information Manual SA38-0037-00.pdf (Upload IBM field service documentation from bitsavers for the RTC verification drive) | ||||
| 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...) | ||||
| 00:28 | IBM PC XT Capacitor Replacement Guide diffhist +8,827 Josh talk contribs (Verify against minuszerodegrees and IBM 5155/5160 TechRef; convert bare bullet sources to inline <ref> citations. Corrections: SNCTOL means "solder new capacitor to old legs"; post-recap voltage table was fabricated - replaced with IBM regulation tolerances and sense levels; removed invented ripple limits; PSU is two separate 120V and 220/240V units, not one switchable unit; 1701 comes from the HDD controller ROM not the motherboard POST; added 2-legged vs 3-legged footprint rule; dropped inc...) | ||||