Installing the SOM

If the SOM is not installed or has been removed, follow these instructions to install it.

  1. Power board without SOM via USB-C.

  2. Check the voltages.

The voltage points to measure

The voltage points to measure (click to enlarge)

Point

Voltage

VBUS

5.2V

VBAT

4.2V

VBATREG

4.2V

5VSOM

5.0V

3V3

3.3V

3V3P

~0(without SOM)

Each voltage is measured against ground (green circle in above image).

  1. Plug in the SOM.