IGEL OS 11.03.500 IGEL OS Articles Miscellaneous Current: IZ1 and UD2-MM Usage of RAM PDF Download PDF Download page IZ1 and UD2-MM Usage of RAM. Current page All pages IZ1 and UD2-MM Usage of RAM How is RAM used by processes in UD2-MM and IZ1 (also known as ARM or SoC devices)?A total of 1024 MB main memory is divided as follows:~128 MB is used for graphics~362 MB is used for internal processes such as communication between DSP and ARM processor~534 MB is available for user processes ×