Microsoft KB Archive/164223

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PC Cards May Not Be Recognized in Docking Station

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Q164223

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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
On certain laptop computers running Windows 95 OEM Service Release 2 (OSR2), when a PC Card is inserted into a slot in the docking station, the card may not be recognized.

CAUSE
This symptom has been observed with certain docking stations that use the TI 1130 PCI-to-CardBus bridge, and occurs only when the PC Card is inserted in a CardBus slot connected through this bridge (that is, in the docking station).

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

  CBSS.VXD  version 4.00.1116  dated 2/6/97  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 this component, please see the following articles in the Microsoft Knowledge Base:

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

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"

If you are experiencing this behavior, contact your computer manufacturer for a possible remedy.

If the TI 1130 PCI-to-CardBus bridge is configured as a "positive decode" bridge, CardBus cards will be recognized but non-CardBus PC Cards (type R2 PCMCIA cards) may not be recognized.

If the TI 1130 PCI-to-CardBus bridge is configured as a "subtractive decode" bridge, non-CardBus PC Cards (type R2 PCMCIA cards) will be recognized but CardBus cards will not be.

Additional query words: 95 Texas Instruments TI1130

Keywords : kbhw osr2 win95

Issue type : kbprb

Technology : kbWin95search kbOPKSearch kbWin95OPKOSR2 kbWin95OPKOSR210