The !pciir extension displays the contents of the hardware routing of peripheral component interconnect (PCI) devices to interrupt controller inputs.



Windows 2000


Windows XP

Windows Server 2003


Windows Vista and later


This extension command can only be used with an x86-based target computer that does not have the Advanced Configuration and Power Interface (ACPI) enabled.

Additional Information

For similar information on any ACPI-enabled computer, use the !acpiirqarb extension.

For information about PCI buses, see the Windows Driver Kit (WDK) documentation.

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