File:Acorn A4 main board through the expansion bay.jpg

Summary
[edit | edit source]Part of the Acorn A4 main board seen through the Econet expansion bay, with the white flexible display cables at the left and the RISC OS 3.10 ROMs and the extension ROM at the right.
Source
[edit | edit source]https://chrisacorns.computinghistory.org.uk/Pics/A4A7.jpg, from the page https://chrisacorns.computinghistory.org.uk/Computers/A4.html (retrieved 2026-10-01).
Author
[edit | edit source]Chris Whytehead (Chris's Acorns), now part of the Chris Whytehead collection at The Centre for Computing History.
Licence
[edit | edit source]Copyright Chris Whytehead / The Centre for Computing History. No licence stated at source. Used to identify the product and illustrate repair work, with the source credited.
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:12, 2 October 2026 | 640 × 385 (37 KB) | Josh (talk | contribs) | Upload with source and licence |
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