Ensure proper pin engagement with connectors before pressing the eUSB disk in place.
See Install a CMIOU.
Connect to the host console in a separate terminal session before starting the host to ensure that you can view all messages reported by the system.
-> start /Servers/PDomains/PDomain_x/HOST/console Are you sure you want to start /Servers/PDomains/PDomain_x/HOST/console (y/n) ? y Connecting /Servers/PDomains/PDomain_x/HOST/console -> start /Servers/PDomains/PDomain_x/HOST Are you sure you want to start /Servers/PDomains/PDomain_x/HOST (y/n)? y hostname starting