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IBM 3270 PC: Revision history

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24 September 2026

  • curprev 22:0322:03, 24 September 2026 Josh talk contribs 20,753 bytes +6,487 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 undo

23 May 2026

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