File:Sinclair ZX Spectrum Issue 3 expansion RAM locations (Service Manual figure 7.3.5).jpg
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Summary
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Figure 7.3.5 of Sinclair's ZX Spectrum Service Manual, "Expansion Memory IC Locations": the Issue 3 board layout (SRC 121) with the expansion RAM IC15 to IC22 and the support logic IC23 to IC26 shaded. Used on Sinclair ZX Spectrum RAM Replacement.
Source
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File:Sinclair ZX Spectrum Service Manual.pdf (re-typeset Revision 1.3, Spectrum For Everyone), page 40; the figure is the scanned drawing embedded in that page, extracted at its native resolution.
Author
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Sinclair Research Ltd
Licence
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Copyright Sinclair Research Ltd. Not freely licensed. Hosted for preservation and repair reference.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:51, 25 October 2026 | | 623 × 386 (42 KB) | Josh (talk | contribs) | Image for the Spectrum RAM replacement guide |
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