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--- boards:ecb:4pio:errata [2023/12/27 00:56] – Revision from 2023-12-27
+++ boards:ecb:4pio:errata [2026/06/15 12:49] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
+/* Imported from Wayback Machine
+   Original URL : https://retrobrewcomputers.org/doku.php?id=boards:ecb:4pio:errata
+   Snapshot date: 2019-09-21
+   Generator    : wayback-archiver
+*/
+====== R03 Errata ======
+Trace cuts:
+Cut pin 26 of IC12 (PIO-3) away from the ground plan.
+Cut the trace between C24 and pin 11 of IC12 (PIO-3)
+Cut the trace between C23 and pin 11 of IC9 (PIO-2)
+Cut the ground plane away from the via.
+Cut the ground plane to separate pin 26 of IC8 (PIO-0) and C11.
+Cut the trace from C11 to the via.
+Cut the trace between pin 11 of IC8 (PIO-0) and C8.
+Cut the trace between pin 5 of IC8 (PIO-0) and pin 18 of IC4.
+Cut the trace between pin 6 of IC8 (PIO-0) and pin 17 of IC4.
+Cut the trace between pin 34 of IC9 (PIO-2) and pin 18 of connector P3. (Updated 3-Feb-2019)
++5v connection:
+A. Link pin 26 (IC12 PIO-3) to C12 to C9 to C11 to C8.
+GND connection:
+B. Link C12 to C9 to C11 to pin 11 IC8 (PIO-0) to C8.
+Address selection connection:
+C. Link pin 5 of IC8 (PIO-0) and pin 17 of IC4.
+D. Link pin 6 of IC8 (PIO-0) and pin 18 of IC4.
+{{[[lib:plugins:ckgedit:fckeditor:userfiles:image:boards:ecb:4pio:errata:errata-v3.png]]