System/390 is a series of IBM mainframe models. Successor to the System/370s, and more specifically the System 370/ESAs[?]. Rebranded as zSeries.
... de Vries[?] in the 17th century, and still better from those of La Pérouse (1787) and Krusenstern (1805). Both, however, regarded it as a peninsula, and were unaware ...