Pironman with case cooler but without GPIO extension

[Deepflash]

Hello there,

I would like to use one of the PIrionman Case ventilators but want to leave out the GPIO extension board (Pironman 5 Hat+).
Where do I need to connect the Fan to?
Best regards,
Matthias

[SunFounder_Moderator]

Please refer to:
https://docs.sunfounder.com/projects/pironman5/en/latest/advanced/io_board.html#rgb-fan-pins