File:Sinclair ZX Spectrum Issue 3 upper RAM link settings (Service Manual figure 7.3.4).jpg

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Summary
[edit | edit source]Figure 7.3.4 of Sinclair's ZX Spectrum Service Manual, "Issue 3 Links vs IC Manufacturer and Type": the link positions connecting IC26 pins 10 and 11 to +5 V, 0 V or A14 for OKI high-enable, OKI low-enable, TI 4532-4 and TI 4532-3 expansion RAM. Used on Sinclair ZX Spectrum RAM Replacement.
Source
[edit | edit source]File:Sinclair ZX Spectrum Service Manual.pdf (re-typeset Revision 1.3, Spectrum For Everyone), page 39; the figure is the scanned drawing embedded in that page, extracted at its native resolution.
Author
[edit | edit source]Sinclair Research Ltd
Licence
[edit | edit source]Copyright Sinclair Research Ltd. Not freely licensed. Hosted for preservation and repair reference.
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:51, 25 October 2026 | 444 × 526 (17 KB) | Josh (talk | contribs) | Image for the Spectrum RAM replacement guide |
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