Query/Remove Support for CardBus Cards Hangs Computer

• Microsoft Windows 95 OEM Service Release version 2
• Microsoft Windows 95 OEM Service Release version 2.1

SYMPTOMS

Windows 95 OEM Service Release 2 (OSR2) does not support the query/remove power management function for CardBus cards. Therefore, SCSI (among others) cardbus cards may cause the computer to seem to stop responding (hang) after resuming from a suspended state.

RESOLUTION

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

   PCCARD.VXD  version 4.00.1118  dated 04/24/97  79,577 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

CardBus network interface cards do not experience this behavior because these cards' power management features are handled by the network interface driver. All other CardBus cards may potentially cause this behavior.

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

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

Q161994 Querying Powered-Off PC Card Modem Hangs Computer

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

Q161020 Implementing Windows 95 Updates

Additional query words: 95

Keywords : kbhw osr2 win95
Version : WINDOWS:95
Platform : WINDOWS
Issue type : kbprb