File:NES-001 CIC U10 pin 4 (NES-CPU-07).jpg
Summary
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Crop of an NES-CPU-07 mainboard (NTSC NES-001) showing the CIC lockout chip U10 (3193A) with C9, C8, R1 and the 4 MHz resonator X2 beside it. A red circle drawn for this wiki marks pin 4, the fourth pin from the left on the row nearest the board's front edge, with the chip's notch on the left.
Source
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Cropped and annotated for this wiki from Evan-Amos, File:Nintendo-NES-Mk1-Motherboard-Top.jpg, Wikimedia Commons (retrieved 2026-10-25). Pin numbering follows the standard DIP convention and Mark Knibbs, Disabling the NES "Lockout Chip", rev. 0.4, 22 September 1997, step 10.
Author
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Evan-Amos (photograph); crop and pin 4 marking added for this wiki.
Licence
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Public domain (released by Evan-Amos on Wikimedia Commons). The annotation is released under the same terms.
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 09:03, 25 October 2026 | | 1,047 × 666 (250 KB) | Josh (talk | contribs) | Upload for NES repair guides; source and licence on the description page |
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