The connectors for power, Ethernet, USB and HDMI are located at the back of the Atlas. The USB A connectors and HDMI port are used for KVM to the microserver(s). The Micro USB connector is for control of the Atlas. The Ethernet ports are both connected to the installed Baseboard on which they are either directly connected to the microserver or to a switch connecting all microservers.
The Atlas adapter board has five LEDs showing the current status of the USB control connection. From top to bottom these are:
Serial console mode active
Atlas board – On acrylic base plate – With 2 fans installed
Micro USB cable
COM Express Type 6 Baseboard
No COM Express module, this can be purchased separately