Hi @Ssama.2 ,
Is your request to have multidrives (USB Disk, uSD) configuration?
If yes, this is exactly what offers the example STM32Cube_FW_H7\Projects\STM32H743I-EVAL\Applications\FatFs\FatFs_MultiDrives.
STM32H743I-EVAL is based on the same device as NUCLEO-H743ZI2.
-Amel
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