# References

Source: [https://docs.qualcomm.com/doc/80-70014-251/topic/references.html](https://docs.qualcomm.com/doc/80-70014-251/topic/references.html)

- **Low-speed and high-speed expansion connectors**  

This section provides tables listing the functionalities, pin numbers, GPIOs, and         additional details for each low-speed and high-speed connector on the RB3 Gen 2         mainboard.
- **DIP switches**  

This section provides details and shows the location of the DIP switches on the         mainboard, interposer, and vision mezzanine.
- **QCS6490 thermal testing and results**
- **Related documents**  

List of reference documents and drawings.
- **Acronyms and terms**  

List of acronymns and terms used in this document.

Last Published: Jan 28, 2026

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Low-speed and high-speed expansion connectors