Patent ID: 7913011
Filing Date: 2011-03-22
Classification: G06F

Abstract:
1. A method for employing a second bus controller on a data bus having a first bus controller; the method comprising: (a) recording a number of appearances of predetermined character groups on said data bus; (b) noting patterns of said appearances preceding a qualifying quiet period on said data bus; said qualifying quiet period being a time interval having a duration greater than a predetermined duration with no traffic on said data bus; (c) employing said patterns to determine probability of occurrence of a qualifying quiet period following at least one said pattern; and (d) permitting said second bus controller to control operation of said data bus during a respective said qualifying quiet period when said probability of occurrence for said respective qualifying quiet period is greater than a predetermined value; said number of appearances being changeable to permit varying an aspect of data employed to determine said probability of occurrence.