I couldn't find any interesting informations about Sega Super Control Station. All I know is that SCS can be used as a kind of peripheral device of SC-3000. There is 3.5" floppy drive, 64kB RAM, RS-232C and Centronics port.
Download:
Sega Super Control Station - Applications (TOSEC-v2007-01-08)
Sega Super Control Station - BIOS (TOSEC-v2006-05-06)
Sega Super Control Station - Games (TOSEC-v2005-12-28)
http://www.megaupload.com/?d=8E9G197K