Browse Prior Art Database

Direct Memory Access on the IBM System/360 and System/370 Channel to Control Unit OEMI Under IBM System/370-Xa Channel Subsystem Architecture

IP.com Disclosure Number: IPCOM000037272D
Original Publication Date: 1989-Dec-01
Included in the Prior Art Database: 2005-Jan-29

Publishing Venue

IBM

Related People

Authors:
Baird, DP [+details]

Abstract

This article describes a technique which provides for extending a processing system channel subsystem architecture by allocating a device address which, when used in a control unit-initiated sequence, requests a a direct memory access (DMA) operation without requiring the use of a channel program.