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.