Microsoft KB Archive/930062

= Error message is logged in the System log every time that you start Windows Vista: &quot;ACPI BIOS does not contain an IRQ for the device in PCI slot &quot; =

Article ID: 930062

Article Last Modified on 3/15/2007

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APPLIES TO


 * Windows Vista Ultimate
 * Windows Vista Starter
 * Windows Vista Home Premium
 * Windows Vista Home Basic
 * Windows Vista Enterprise
 * Windows Vista Business 64-bit edition
 * Windows Vista Business
 * Windows Vista Ultimate 64-bit edition
 * Windows Vista Home Premium 64-bit edition
 * Windows Vista Home Basic 64-bit edition
 * Windows Vista Enterprise 64-bit edition

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SYMPTOMS
An error message that resembles the following may be logged in the System log every time that you start a Windows Vista-based computer:

Event Type: Error

Event Source: ACPI

Event Category: None

Event ID: 6

Date:

Time:

User: N/A

Computer:

Description:

IRQARB: ACPI BIOS does not contain an IRQ for the device in PCI slot, function. Please contact your system vendor for technical assistance.



CAUSE
This error message may occur on a computer that uses a Peripheral Component Interconnect (PCI) bridge that supports message-signaled interrupts but does not support line-based interrupts.



RESOLUTION
This error message may safely be ignored.

Note Do not ignore this error message if the following conditions are true:  A yellow explanation mark (!) appears next to the device in Device Manager. You receive the following error message in the Properties dialog box for the device in Device Manager:

This device cannot find enough free resources that it can use. (Code 12)



In this scenario, a different issue may be causing the symptoms. Take additional steps to troubleshoot this issue.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.

Keywords: kbqfe kbnofix kberrmsg kbprb kbexpertisebeginner KB930062

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