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Read and View Motherboard ID

Important Note
  • This tutorial is for reading and viewing the ID of the motherboard. For tool boards, please refer to the corresponding product's ID search tutorial.

Precautions​

Important Notes
  • Must connect to the host computer via SSH. Please use network login to connect to the host computer (such as Raspberry Pi and other devices).
  • Before operation, ensure the mainboard has been flashed with the USB firmware.
  • This tutorial is only applicable for Mainboard ID search, not for Toolboard ID search.
  • Please confirm the mainboard is connected to the host computer's USB port via TYPEC.
  • To view the Toolboard ID, please refer to the relevant tutorial in the corresponding product directory.

Operation Steps​

Search for USB Device ID​

  • Execute the following command to list all USB serial device IDs: 
    ls /dev/serial/by-id/*

⚠️ Important Note: Unusable IDs​

After executing the command, please identify and avoid using the following two types of IDs:

ID CharacteristicsReason ExplanationExample
usb-1a86_USB_Serial-if00-port0This is the default name for generic serial chips like CH340, cannot be used for configuration./dev/serial/by-id/usb-1a86_USB_Serial-if00-port0
Contains katapultIndicates the device is in bootloader mode. It needs to be flashed with Klipper firmware before use./dev/serial/by-id/usb-katapult_xxxxxxxxxxxx

Execution Result Explanation:​

Handling Multiple IDs

If multiple IDs appear, please select the corresponding ID based on your mainboard's MCU model.

Fill the USB ID into the Configuration​

  • For fluidd: {…}. Click into it to find printer.cfg.
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  • For mainsail: Machine. Click into it to find printer.cfg.
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Note: All IDs appearing in the documentation are examples. The actual ID for each mainboard is different. Please modify and fill in according to the ID you actually obtained.

Fill in the USB ID​

  • Find [mcu], then replace it.
Note
  • Please replace in the configuration file:
  • Do not configure canbus_uuid:.
[mcu]
serial: <Replace here with the ID you just queried>
  • Reference
  • Reference for fluidd
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  • Reference for mainsail
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  • Click the SAVE & RESTART button in the upper right corner. After clicking, it will automatically save and restart Klipper.
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