File:IBM PS2 Model 80 HMR.pdf

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Summary

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.

This is a text conversion of IBM's BookManager edition, made with deskPDF in 2009.

Source

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.

Author

International Business Machines Corporation.

Licence

Copyright IBM Corp. 1990. Not freely licensed. Hosted for preservation and repair reference.

File history

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	Date/Time	Dimensions	User	Comment
current	21:32, 30 September 2026	0 × 0 (132 KB)	Josh (talk \| contribs)	IBM PS/2 Model 80 Hardware Maintenance Reference S64F-3995-01 (Sept 1990)

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