ESA/370 | Article about ESA/370 by The Free Dictionary
Also found in: Dictionary
ESA/370(Enterprise System Architecture/370) IBM enhancements to its high-end 4381 and 3090 mainframes. Introduced in 1988, it increased virtual memory from 2GB to 16TB and added techniques for managing it more effectively. This architecture is built into System/390 ES/9000 computers. See ESA/390.