File:IBM Hardware Maintenance Service 6280087 MAP 0020 Power.pdf
Summary
[edit | edit source]MAP 0020 "Power" from IBM's Hardware Maintenance Service manual, part number 6280087, Revised Edition (March 1986). 22 PDF pages. It holds three maintenance analysis procedures: Power Start (p. 0020-1), which sends the reader to the PC or AT procedure; Power (PC), for the 5150, 5160 and 5155 (pp. 0020-1 to 0020-11), with the system board and drive connector voltage limits (p. 0020-3) and the minimum system board resistances with the supply disconnected (p. 0020-9); and Power (AT), for the 5170 (pp. 0020-1 to 0020-7), with its connector voltage limits and the note that a load resistor is needed on P10 or P11 when no fixed disk is fitted (p. 0020-3).
Source
[edit | edit source]https://www.minuszerodegrees.net/hms/HMS%20-%206280087%20-%20Maps%20-%200020.pdf (retrieved 2026-09-30), from the section-by-section scan of the manual at https://www.minuszerodegrees.net/hms/hms.htm
Author
[edit | edit source]International Business Machines Corporation
Licence
[edit | edit source]Copyright International Business Machines Corporation 1981, 1986. Not freely licensed. Hosted for preservation and repair reference.
Described at IBM Hardware Maintenance Service (March 1986).
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 20:30, 30 September 2026 | 0 × 0 (356 KB) | Josh (talk | contribs) | Upload section of IBM HMS 6280087 (March 1986) from minuszerodegrees.net |
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