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Most Linux kernels (2.6.30+) include built-in drivers for CH340 and CP2102. The SU2 adapter should appear as /dev/ttyUSB0 or /dev/ttyACM0 immediately.

– Many factory automation controllers from the early 2000s used SU2-like UARTs. Maintenance or retrofitting requires the original driver.

Never download "SU2 driver" from:

Note: macOS may require disabling SIP or approving the driver in on first use.

For Windows users, you must add the path to your SU2 executables to your System Environment Variables (under "Path") to run it from any terminal window. Troubleshooting Tips Downloading SU2