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zx-sizif-512-ext/pcb/rev.A/ERRATA.txt
2023-09-18 14:06:23 +03:00

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- MIDI_IN is connected to U4/pin13, should be U4/pin14
- Incorrect ZX BUS pinout. Following signal pairs should be swapped: NMI/MIX_R, MIX_L/RST, CLKCPU/A1
- Incorrect connection between U5/pin4, U10/pin4 and U7/pin28. Should be cutted.
UPD. 2023-09-18:
- R1 and R34 should be 10kOhm