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IBM PS2 Model 65SX HITR Supplement

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Revision as of 21:55, 30 September 2026 by Josh (talk | contribs) (The TR pages inside are the First Edition (March 1990), not the October 1990 book; page map from the scan; copyedit)
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The IBM PS/2 Model 65 SX Supplement for the Hardware Interface and BIOS Interface Technical References is an IBM update package dated 6 March 1990, part number 15F2174, form number S15F-2174-00. The hosted scan is 72 pages and image-only; the last few pages are blank.

The instruction page (PDF page 2) says to insert a "Model 65 SX" tab in front of the "Model 70" tab of the Hardware Interface Technical Reference with the IBM Personal System/2 Model 65 SX Technical Reference pages behind it, and to file the "IBM Personal System/2 Model 65 SX Supplement" page behind the Supplements tab of the PS/2 and PC BIOS Interface Technical Reference.

Contents

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  • PDF page 1: cover. Page 2: filing instructions. Page 3: tab separator ("Insert the hard tab labeled 'Model 65 SX' here, then discard this page").
  • From PDF page 6: the Model 65 SX Technical Reference, First Edition (March 1990), with its edition notice, preface, sections 1 to 3 and index (to about PDF page 64).
  • PDF page 66: the BIOS supplement page, a table of the model and submodel bytes for the Model 65 SX.

What this document does not contain

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There are no FRU numbers, removal procedures, schematics or component values. The technical reference inside is the first edition; the October 1990 second edition adds a power supply section and marks its changes with vertical bars.

Pages that cite this document

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Download: IBM PS2 Model 65SX HITR Supplement.pdf