Microsoft KB Archive/163938

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Inserting Multifunction PC Card May Hang Computer

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Q163938

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The information in this article applies to:


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

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SYMPTOMS
When you insert certain multifunction PC Cards in a PC Card slot in some computers, the computer may stop responding (hang). When this occurs, you do not hear an audible insertion tone.

This behavior has been observed when a Xircom CreditCard Ethernet+Modem (CEM28) PC Card is inserted in one of the following computers:


 * Hewlett-Packard Omnibook 4000CT
 * Hewlett-Packard Omnibook 5500CT
 * Texas Instruments Extensia 570CDT

RESOLUTION
This issue is resolved by the following updated files for Windows 95 OSR2, and later versions of these files:

  CONFIGMG.VXD  version 4.00.1112  dated 2/11/97  90,529 bytes PCI.VXD      version 4.00.1114  dated 2/11/97  42,271 bytes CBSS.VXD     version 4.00.1116  dated 2/7/97   16,249 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 these components, please see the following articles in the Microsoft Knowledge Base:

Q182591 CardBus Cards Not Enumerated on Some PC Card Controllers

Q173677 Audio Problems with Cirrus Logic PD6832 CardBus Controller

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

Q164873 PCI Device Not Configured and Resources Unassigned

Q172652 Computer with USB Devices Hangs

Q164225 Poor Data Transfer with CardBus Card in Docking Station

Q164224 Inserting PC Card in Dock with CardBus Card May Cause Reboot

Q164223 PC Cards May Not Be Recognized in Docking Station

Q164222 CardBus Card in Docking Station May Not Be Configured

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 hp

Keywords : kbhw osr2 win95

Issue type : kbprb

Technology : kbWin95search kbOPKSearch kbWin95OPKOSR2 kbWin95OPKOSR210