Write to an A1-rated Micro SD card failed
#10
The original issue described in this thread might actually be related to higher speeds, and the same issue might be just around the corner in your case.  For example, an A1-rated Kingston microSD card fails to work at SDR104 in the PineBook Pro, but limiting the speed of the MMC interface to SDR50, which still runs at 1.8 V, makes the same microSD card work just fine.
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RE: Write to an A1-rated Micro SD card failed - by dsimic - 05-23-2021, 06:02 PM

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