Patent ID: 7003701
Filing Date: 2006-02-21
Classification: G06F

Abstract:
1. A system for enabling facilitated analysis of malfunctions in a computer device, said system comprising: a processor unit; a PCI bus; a plurality of PCI devices connected to said processor unit by said PCI bus, each PCI device, when operating as a PCI target device, activating a corresponding target operating signal; a PCI bus monitor circuit for monitoring a target address of a command from said processor unit to be executed on said PCI bus and monitoring the target operating signals from said plurality of PCI devices, said PCI bus monitor circuit sending an error report signal to said processor unit when plural PCI target devices respond to the command in one PCI cycle; and a target device selection circuit for specifying a PCI target device based on the base address values and size values of said plurality of PCI devices and on the target address.