On a PC, 68 MB is nothing. But in embedded space, 68 MB RAM just for the system is pretty big. Many systems have a fraction of RAM of that. 1 - 256 kB RAM is c

On a PC, 68 MB is nothing. But in embedded space, 68 MB RAM just for the system is pretty big. Many systems have a fraction of RAM of that. 1 - 256 kB RAM is common. Of course embedded systems can also have gigabytes of RAM. It's a wide spectrum, so as small as possible is preferable.