Acorn ARM1 die-only photographic crop Science Museum Group Collection; © The Board of Trustees of the Science Museum; donated by ARM Limited Source: https://collection.sciencemuseumgroup.org.uk/objects/co8646322/arm1-microchip Original image: https://zoom.sciencemuseumgroup.org.uk/iiif/3/56%2F901%2FARM1_microchip.ptif/full/max/0/default.jpg License: CC BY-NC-SA 4.0 https://creativecommons.org/licenses/by-nc-sa/4.0/ Changes: native pixel crop [1570,1240,2010,1645] from 3651 x 2738 original to 440 x 405. No other pixel edits. Original SHA-256: efd7f11bbc3b6dc5b77e393cb009f8441cc8c439b91e9b309583edab19e4bf02 Crop SHA-256: 08040e1e3c792f62ca9c45d9729c12773f749d28b5a7056d20921312acd3ec87 Unannotated low-resolution, low-contrast overview. Glare limits detail. Exact mask revision, components, terminals and connections are unresolved. No registration to CHM photography or CIF simulator geometry is established. The museum image license applies separately from repository code and catalogue metadata.