File:IBM 5150 64KB-256KB system board ROM sockets U28 to U33.jpg
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Summary
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Detail of an IBM 5150 64KB-256KB system board (1984), showing the ROM sockets U28 to U33. U33 holds the BIOS ROM marked 1501476 (AMD AM9264DPC), U32 to U29 hold the Cassette BASIC ROMs marked 5000023, 5000022, 5000021 and 5000019, and U28 is an empty socket.
Source
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Cropped from File:5150mobo1984.jpg on Wikimedia Commons (retrieved 2026-10-25).
Author
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Oligopolism (Wikimedia Commons user).
Licence
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CC0 1.0 Universal (public domain dedication), as stated on Wikimedia Commons: https://creativecommons.org/publicdomain/zero/1.0/
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:46, 25 October 2026 | | 460 × 1,408 (247 KB) | Josh (talk | contribs) | Upload for repair guide |
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