File:IBM PC AT battery connector J21 (minuszerodegrees).jpg
Summary
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Photograph of battery connector J21 on an IBM PC AT (5170) system board, with the battery's plug fitted and its red lead entering at the left-hand end; the round keyboard connector is behind it. On the right, minuszerodegrees.net's drawing of the 4-way connector: pin spacing 0.1 in (2.54 mm), positive at the left-hand end and negative at the right-hand end as drawn.
Source
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https://www.minuszerodegrees.net/5170/battery/5170_battery_j21.jpg (retrieved 2026-10-25), shown on https://www.minuszerodegrees.net/5170/battery/5170_battery.htm
Author
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minuszerodegrees.net
Licence
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No licence is stated on minuszerodegrees.net. Reproduced with credit for repair reference.
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:33, 25 October 2026 | | 544 × 259 (108 KB) | Josh (talk | contribs) | Upload for repair guide |
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File usage
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