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Microsoft KB Archive/161994

From BetaArchive Wiki

Querying Powered-Off PC Card Modem Hangs Computer

Q161994



The information in this article applies to:


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





SYMPTOMS

When a program attempts to identify or check the status of a PC Card modem, the program may stop responding (hang) or cause the computer to hang if the modem has been powered off using power management features.



CAUSE

If a PC Card modem is powered off with power management features, it is not powered on when card services calls are made. Tools making such calls do not work if the modem is powered off. This may cause a bus hang, causing the program or computer to hang.



RESOLUTION

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

   PCCARD.VXD  version 4.00.1114  dated 1/23/97  79,065 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:

Q168909 Query/Remove Support for CardBus Cards Hangs Computer


Q166826 Data Read from ROM PC Card Device May Be Damaged

Q166400 Inserting SRAM Card into Docking Station May Hang Computer

Q164227 Second PC Card Not Recognized When Inserted in Dock

Q159543 Intel ProShare PC Card May Hang Computer

Q159492 PC Card Device Not Enumerated When Reinserted

Q159349 Resume On Ring Not Implemented for PC Card Modems

Q159348 No Windows 95 Support for Zoomed Video Devices


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 pcmcia

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


Last Reviewed: January 31, 2001
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