Editing IBM System/370 (section)

====System/370 Model 165====
{{main article|IBM System/370 Model 165}}

The '''IBM System/370 Model 165''' was described by IBM as "more powerful"<ref name="Model-165-IBM-Archives" /> compared to the "medium-scale" 370/155. It first shipped in April 1971.<ref name="Pugh91" />{{rp|643}}

Compatibility features included [[Emulator|emulation]] for [[IBM 700/7000 series|7070/7074, 7080, and 709/7090/7094/7094 II]].

Some have described the [[IBM System/360 Model 85|360/85]]'s use of [[microcode]]d vs [[Hardwired control unit|hardwired]] as a bridge to the 370/165.<ref>{{cite newsgroup|url=https://groups.google.com/d/topic/alt.folklore.computers/OHWBCMBqwKY|title=IBM 360/85 vs. 370/165|author=Jon Elson|newsgroup=alt.folklore.computers|date=December 5, 2014}}</ref>

In August 1972 IBM announced, as a field upgrade only, the '''IBM System/370 Model 165 II''' which added a DAT box.

The 165 was withdrawn on December 23, 1977.