Browse Prior Art Database

Implementation of a Master Status Register Subsystem for I/O Channel Controller System Bus Interface Unit Transmit Function

IP.com Disclosure Number: IPCOM000037332D
Original Publication Date: 1989-Dec-01
Included in the Prior Art Database: 2005-Jan-29

Publishing Venue

IBM

Related People

Authors:
Johnson, LE [+details]

Abstract

The I/O Channel Controller (IOCC) System Bus Interface Unit (BIU) Master Status Register (MSR) is part of the BIU transmit section. The information stored in this register includes all the information necessary to run a cycle on the system bus: DMA or Load reply or INT; read or write; cycle count, etc.