Poor design, basically you can't access any ports other than the USB or Ethernet ports on the R Pi. If necessary, you have to parse the whole thing. The system needs to blow air through the board, but everything is so tightly packed that you can't get much air through the system. USB/network ports create an air pocket and stop airflow to hot parts of the board. Overall poor design, poor execution, parts seem workable but totally useless as intended.
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