It may be worth noting in the online documentation that there are two changes to make for the 1.3 version of the boards (for klipper or katapault)
-
Processor mode:
- 1.2 Board: STM32F446
- 1.3 Board: STM32H743
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Clock Reference:
- 1.2 Board: 12 MHz
- 1.3 Board: 25 MHz