Configuring a Socket Selector
On the home view, go to the Configurations tab and select Socket selector on the left pane. Select the plus icon in the upper-right corner of the screen to create a new configuration.
Give the configuration a name.
Select Edit.
Select Add or Remove for the correct number of socket slots, then select all the slots that need to be active (indicated in blue).
Set Control to External if the socket selection is to be controlled by an external system.