File:Atari 800XL PAL board DRAM U9-U16 (72RHA AT8489594).jpg
Summary
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The left-hand end of a PAL Atari 800XL main board (serial 72RHA AT8489594 I-474) with the top shield removed. The eight Micron MT4264-15 dynamic RAM chips are soldered directly to the board and are marked, from top to bottom, U9, U10, U11, U12, U16, U15, U14 and U13. The two MB74LS158 multiplexers U27 and U26, the CD4050 buffer U20, the 74LS74 U21, the transistors Q6 and Q8, and C50, C109 and R109 are also visible. Cropped from the full board photograph.
Source
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Atari 800XL board top (72RHA AT8489594 I-474).jpg on Wikimedia Commons (retrieved 2026-10-25), cropped for this wiki.
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Author
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Multicherry (Wikimedia Commons).
Licence
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CC BY-SA 4.0. The crop is released under the same licence.
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:55, 25 October 2026 | | 1,065 × 1,212 (543 KB) | Josh (talk | contribs) | Upload for repair guide |
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