ESA/370


Also found in: Dictionary, Legal.

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.
Copyright © 1981-2019 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.