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IBM PC XT/370: Revision history

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24 September 2026

  • curprev 22:0822:08, 24 September 2026 Josh talk contribs 15,391 bytes +3,544 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 undo

23 May 2026

  • curprev 22:3122:31, 23 May 2026 Josh talk contribs 11,847 bytes +11,847 Deep technical XT/370 + 3270 PC family page with verified sources (IBM SA38-0037-00 Service Info Manual, IBM GA33-3141-0, IBM 1502336, Kozuh/Livingston/Spillman IBM Systems Journal 1984, seasip.info, Wikipedia)
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