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General discussion • J9 (POE) Pin Outs For Powering The CM4 IO Board With 5v 3Amps Ext. PSU

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Hi,

I want to power up the cm4 io board with an external 5v 3a PSU. I do not want to use the floppy connector because the floppy connector on the top right side touches the case and it is a tight fit. I can see some tension on the connector also (cm4 side connector).

It is mentioned in the CM IO board manual that we can power the cm4 io board using J9 (POE) with 5v 3a PSU but I could not find the pin out of J9 with respect to 5v and Gnd connection. I mean which of the pins I need to connect 5v and Gnd.

is it perfectly fine if I power the CM4 IO Board with J9.

Thanks

Statistics: Posted by chaksindia — Tue Feb 18, 2025 6:36 pm



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