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File:Ferranti Archives SPEC128-FER-NOT-032 Ferranti handwritten table of ULA 7K010 pins grouped by test pod.pdf

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Summary

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One sheet of squared paper with a pen table of ULA 7K010 signals and pin numbers grouped into four columns headed CTL1, ADDR, DATA and CTL2, against "pod" numbers 0, 2, 4 and 5 with channels 0 to 8 and "C/Q". CTL1 holds the CPU clock, RAS, CAS, DRAM write enable, RD, WR, MREQ, INT and IORQ; ADDR holds A0 to A7 and C; DATA holds D0 to D7 and ROMCS; CTL2 holds the colour, BRIGHT, sync, A14, A15 and VB lines, with two entries crossed out. The layout suggests the channel assignment of a logic analyser or tester, though the sheet does not say so. Every pin number agrees with the pinout in the specification SPEC128-FER-DAT-028. The catalogue calls it a general table of ULA pin assignments; the signal names and pins are those of the 7K010. Part of the Ferranti Archives 2026.

Archive record

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Ferranti Archives 2026 catalogue record
Catalogue ID SPEC128-FER-NOT-032
Date Undated
Origin Ferranti
Document type Notes
Device or subject ULA 7K010 (ZX Spectrum 128)
Catalogue description Hand-drawn (pen) reference table of ULA chip pin assignments
Original file name {{{filename|}}}
Found in SPEC128-FER-FOL-037
Pages 1

Source

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Ferranti Archives 2026, original scan on Google Drive.

Author

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Ferranti Electronics Limited

Licence

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Ferranti Archives 2026: source and terms of use

This scan is part of the Ferranti Archives 2026, a collection of Sinclair-related documents from Ferranti's files, catalogued in 2026 and released through the Happy Little Diodes YouTube channel (video, catalogue). The archive presents the documents for preserving and archiving material of historical interest, and for non-commercial, educational and archival research. Its terms state that consent is strictly limited to non-commercial use, and that any commercial exploitation of the documents or their contents, including use in connection with the manufacture, marketing or sale of goods, is strictly prohibited by Sky UK Limited.

Copyright remains with the rights holders. The file is not freely licensed and is hosted here for preservation and repair reference only, under the archive's terms. Personal information was redacted by the archive before release; if you find any that remains, please tell [email protected].

File history

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current11:02, 18 October 20260 × 0 (723 KB)Josh (talk | contribs)Ferranti Archives 2026: SPEC128-FER-NOT-032

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