J15 is the 260-pins SODIMM connector of the ORCA SOM.
[[File:ORCA-EVK-J15-SO-DIMM-connector.png|thumb|center|500px|SO-DIMM connector]]
In this SBC design the SOM is embedded in the carrier board so the connector is not actually usable but represents the SOM J1 connector.
For a detailed description of the SOM pinout, please refer to the [[ORCA SOM/ORCA Hardware|ORCA SOM Hardware Manual]].
[[Category:ORCA SOM]]