Support for new Neptune 3 Pro with SM32F402

General Discussion
1

Hello,
I would like to ask about compatibility with these new printers. There seems to be no option to select STM32F402 in makeconfig and the build for SM32F401 does not seem to work. The flash stops at uploading firmware

This is how new board looks like

Is there any config that currently exists and can work?

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2

What version is your motherboard

3

I believe you are correct on selecting 401 but I think you have to add 32kib bootloader

4
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