M21: Initialize SD card

Performs NO operation and is kept for compatibility only.


The command is used as such : 


Which means: the command will be recieved but SmoothieWare will perform no operation


Parameter Usage Example

The M21 command requires no parameters

This means if you command : 


Nothing will happen!


The M21 command requires no special configuration settings

Further reading

These resources are used as references:

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