Hello, I’m trying to use MicroSD on a custom carrier board. The circuit diagram is shown in the picture below. Are there any fixes related to DTB? CD (Card Detector) is used together with FAN_TACH, but there is concern about interference. Advice please [image] Thank you.

You should measure the cd gpio level first and see if it gets toggled when you insert the sdcard.

I'm trying to use MicroSD on a custom carrier board

forumuser July 26, 2021, 4:32am 6

Hello,

As in this link, if the sd card is not detected when the kernel source is changed and built, what should I suspect?

Thank you.

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