Solved
Where to specify the serial of the STLINK when multiple devices are detected
I got this (since I have multiple STLINKs attached):

Where do I specify the serial number in the command line (of the gdb server) ?
I got this (since I have multiple STLINKs attached):

Where do I specify the serial number in the command line (of the gdb server) ?
Hello
to select a specific ST-Link will connecting multiple ST-Link to your machine, you have to follow the last paragraph of the page 160 of the UM2609 together with the figure 176:

Best Reagrds.
STTwo-32
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