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Microsoft KB Archive/173677

From BetaArchive Wiki

Audio Problems with Cirrus Logic PD6832 CardBus Controller

Q173677



The information in this article applies to:


  • Microsoft Windows 95 OEM Service Release, versions 2, 2.1





SYMPTOMS

On a computer with a Cirrus Logic CL-PD6832 CardBus controller running Windows 95 OEM Service Release 2 (OSR2), audio output may be distorted or inaudible while you are starting Windows or simultaneously transferring files.



CAUSE

Certain registers in the CL-PD6832 chip set are not interpreted correctly by Windows 95, resulting in a direct memory access (DMA) channel conflict.



RESOLUTION

This issue is resolved by the following updated file for Windows 95 OSR2, and later versions of this file:

   PCI.VXD  version 4.00.1120  dated 8/28/97  42,271 bytes 






STATUS

Microsoft has confirmed this to be a problem in Microsoft Windows 95 OEM Service Release 2 (OSR2). An update to address this problem is now available, but is not fully regression tested and should be applied only to computers experiencing this specific problem. Unless you are severely impacted by this specific problem, Microsoft does not recommend implementing this update at this time. Contact Microsoft Technical Support for additional information about the availability of this update.

This issue is resolved in Microsoft Windows 98.



MORE INFORMATION

For additional information about issues resolved by updates to this component, please see the following articles in the Microsoft Knowledge Base:

Q182591 CardBus Cards Not Enumerated on Some PC Card Controllers


Q170324 CMD PCI-0646U Accessed in Compatibility Mode in OSR2

Q164873 PCI Device Not Configured and Resources Unassigned

Q164222 CardBus Card in Docking Station May Not Be Configured

Q163938 Inserting Multifunction PC Card May Hang Computer

Q159543 Intel ProShare PC Card May Hang Computer

Q159492 PC Card Device Not Enumerated When Reinserted


For additional information about Windows 95 updates, please see the following article in the Microsoft Knowledge Base:

Q161020 Implementing Windows 95 Updates

Additional query words: 95

Keywords : kbhw kbsound osr2 win95
Issue type : kbprb
Technology : kbWin95search kbOPKSearch kbWin95OPKOSR2 kbWin95OPKOSR210


Last Reviewed: January 31, 2001
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