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IBM ThinkPad X40 Hardware Maintenance Manual: Revision history

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1 October 2026

30 September 2026

  • curprev 22:2522:25, 30 September 2026 Josh talk contribs 5,152 bytes +1,183 Replace contents list copied from the T20-T23 manual with this manual's own, with page numbers; correct 'lists no dock' (covers X4 UltraBase Dock); add X40 power checkout limits (16.8/14.4 V pack) and specs undo

25 September 2026

22 May 2026

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