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.
... the median income for a family is $49,375. Males have a median income of $41,719 versus $28,750 for females. The per capita income for the village is $28,782. 11.5% of the ...