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Method for Performing PIO to the IOCC Interrupt Control Registers

IP.com Disclosure Number: IPCOM000036671D
Original Publication Date: 1989-Oct-01
Included in the Prior Art Database: 2005-Jan-29

Publishing Venue

IBM

Related People

Authors:
Johnson, LE [+details]

Abstract

An Input/Output Channel Controller (IOCC) interrupt subsystem runs asynchronously to the system clock, but its control registers and data-path must be read and written by the system processor.