https://wiki.retrotechcollection.com/index.php?action=history&feed=atom&title=File%3AIBM_PS2_Model_80_HMR.pdfFile:IBM PS2 Model 80 HMR.pdf - Revision history2026-10-01T10:59:44ZRevision history for this page on the wikiMediaWiki 1.46.0https://wiki.retrotechcollection.com/index.php?title=File:IBM_PS2_Model_80_HMR.pdf&diff=16564&oldid=prevJosh: IBM PS/2 Model 80 Hardware Maintenance Reference S64F-3995-01 (Sept 1990)2026-09-30T20:32:14Z<p>IBM PS/2 Model 80 Hardware Maintenance Reference S64F-3995-01 (Sept 1990)</p>
<p><b>New page</b></p><div>== Summary ==<br />
IBM's ''IBM PS/2 Model 80 Hardware Maintenance Reference'' (HMR) for the [[IBM PS/2 Model 80]] (machine type 8580): part number 84F8548, form number S64F-3995-01, dated 25 September 1990. 62 pages. It covers the product description (cover lock, power-on password, CMOS RAM and its 2 KB extension, VGA, ports, diskette controller), option compatibility, the power supply and its minimum under-voltage sense levels, system memory and memory-error handling, specifications, special tools, service position, the numbered removal and replacement procedures 1005 to 1100, and front, rear, interior, cable and system-board location views. The pictures in the original are not reproduced; each appears as a "PICTURE n" placeholder.<br />
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This is a text conversion of IBM's BookManager edition, made with deskPDF in 2009.<br />
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== Source ==<br />
http://ps-2.kev009.com/basil.holloway/boo-to-pdf/S64F_3995_01.pdf (retrieved 2026-09-30). The BookManager original is also on Ardent Tool of Capitalism as S64F3995.boo.<br />
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== Author ==<br />
International Business Machines Corporation.<br />
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== Licence ==<br />
Copyright IBM Corp. 1990. Not freely licensed. Hosted for preservation and repair reference.<br />
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[[Category:IBM Service Manuals]]<br />
[[Category:Service Manuals]]</div>Josh