ES/IBM 9370

The IBM 9370 systems are "baby mainframe" midrange computers, released 1986 at the very low end of, and compatible with System/370. The media of the day

operating system introduced by IBM, pre-installed on the IBM 8100 and later ported to the ES/9370. It was first introduced on the IBM 8100 series, which was released

a new System/370 compatible processor line, ES/9370, would be provided to replace it. In March 1987, IBM announced that it intended to provide in 1989

last used in the IBM 9370 low-end mainframe. ESA/390 was succeeded by the 64-bit z/Architecture in 2000. On September 5, 1990, IBM published a group

at Hursley and Millbrook, W. J. P. Case, IBM, October 17, 1990 "IBM 9370 INFORMATION SYSTEM OVERVIEW". 01.ibm.com. 7 October 1986. Retrieved 2011-07-20