Redirected from System 390
System/390 is a series of IBM mainframe models. Successor to the System/370s, and more specifically the System 370/ESAs[?]. Rebranded as zSeries.
... 1.1 km² (0.4 mi²) of it is land and none of the area is covered with water. Demographics As of the census of 2000, there are 417 people, 145 households, ...