For Oracle ILOM 4.0.x license information, refer to the Licensing Information User Manual Oracle ILOM Firmware Release 4.0.x at: https://docs.oracle.com/cd/E81115_01/html/E81116/index.html
The Sun Server X3-2 with Oracle ILOM 4.0.x uses the Debian software that is also used in Oracle ILOM 3.2.x. For license information, refer to the Licensing Information User Manual Oracle ILOM Firmware Release 3.2.x at: https://docs.oracle.com/cd/E37444_01/html/E62005/index.html