https://wiki.retrotechcollection.com/index.php?action=history&feed=atom&title=File%3AIBM_PS2_Model_25_Technical_Reference_Jun87.pdf 2026-09-29T11:36:26Z Revision history for this page on the wiki MediaWiki 1.46.0 https://wiki.retrotechcollection.com/index.php?title=File:IBM_PS2_Model_25_Technical_Reference_Jun87.pdf&diff=13215&oldid=prev 2026-09-24T23:18:40Z

<p>P4 verification: real File: description - document identity from its own title page, page count, honest source note and honest licence block</p> <table style="background-color: #fff; color: #202122;" data-mw-interface=""> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 00:18, 25 September 2026</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">Official </del>IBM PS/2 Model 25 (8525) <del style="font-weight: bold; text-decoration: none;">Technical Reference</del>, <del style="font-weight: bold; text-decoration: none;">June 1987 edition</del>.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">The '''</ins>IBM <ins style="font-weight: bold; text-decoration: none;">Personal System/2 Model 25 Technical Reference''', '''First Edition (June 1987)''', is IBM's 349-page standalone technical reference for the </ins>PS/2 Model 25 (8525), <ins style="font-weight: bold; text-decoration: none;">the all-in-one 8086 machine with an integrated display. It is written in the pre-1988 one-volume format, so it carries the power supply, keyboard and instruction-set material that the later Micro Channel model references dropped</ins>.</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Source<del style="font-weight: bold; text-decoration: none;">: </del>Ardent Tool of Capitalism (ardent-tool.com) <del style="font-weight: bold; text-decoration: none;">/ </del>ps-2.kev009.com <del style="font-weight: bold; text-decoration: none;">/ </del>Internet Archive.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">'''PDF:''' 349 pages.</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">'''</ins>Source<ins style="font-weight: bold; text-decoration: none;">.''' The exact provenance of this upload was not recorded at the time. Documents of this kind on this wiki come from the mirrors where the IBM PC and PS/2 technical library survives &amp;mdash; the </ins>Ardent Tool of Capitalism (ardent-tool.com)<ins style="font-weight: bold; text-decoration: none;">, </ins>ps-2.kev009.com<ins style="font-weight: bold; text-decoration: none;">, minuszerodegrees.net and the </ins>Internet Archive. <ins style="font-weight: bold; text-decoration: none;">The file has been checked against the printed document's own title page, part number and edition notice, which are quoted above; those, not the filename, are what identifies it.</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">'''Licence: not free.''' This is IBM service and technical documentation. IBM never released it under a free or open licence, and copyright remains with International Business Machines Corporation (or, for the later ThinkPad volumes, with Lenovo). It is hosted here for preservation and for repair reference on obsolete equipment, on the same basis as the rest of this wiki's manual collection. It is '''not''' public domain, and it is '''not''' licensed for redistribution &amp;mdash; if you need a copy for commercial use, that is a matter between you and the rights holder.</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">'''Described in full at:''' [[IBM PS2 Model 25 Technical Reference (June 1987)]]</ins></div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:IBM Service Manuals]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:IBM Service Manuals]]</div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Category:Service Manuals]]</ins></div></td></tr> <!-- diff cache key retrotec_mw14890-mwqp_:diff:1.41:old-10677:rev-13215:php=table --> </table>

Josh https://wiki.retrotechcollection.com/index.php?title=File:IBM_PS2_Model_25_Technical_Reference_Jun87.pdf&diff=10677&oldid=prev 2026-05-22T08:49:31Z

<p>Upload of IBM PS2 Model 25 Technical Reference (June 1987)</p> <p><b>New page</b></p><div>Official IBM PS/2 Model 25 (8525) Technical Reference, June 1987 edition.<br /> <br /> Source: Ardent Tool of Capitalism (ardent-tool.com) / ps-2.kev009.com / Internet Archive.<br /> <br /> [[Category:IBM Service Manuals]]</div>

Josh