PRB: Manually Configuring Resources of PCMCIA Devices (295415)

The information in this article applies to:

Microsoft Windows 2000 Server
Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Datacenter Server

This article was previously published under Q295415

SYMPTOMS

PCMCIA devices that use the PcCardConfig directive in the INF file to configure device registers may not work if the user clears the Use automatic settings check box in the Resources property page of the device manager.

CAUSE

When you manually try to set the resources for a device by using the Resources tab of the device manager, the system writes the new resource information into the forced configuration entry in the registry. For PCMCIA devices, the system does not write device-private settings specified in the PcCardConfig directive, and as a result the device is configured with default settings. This may cause the device to work improperly.

RESOLUTION

For additional information about a fix, click the article number below to view the article in the Microsoft Knowledge Base:

299839 Manually Configuring Resources for PC Card Devices May Not Maintain Device-Private Settings

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

MORE INFORMATION

If a device uses the PcCardConfig directive as follows to set the memory access mode to 16-bit:

   [DDInstall.LogConfigOverride]
   LogConfig = logconfigsection0

   [logconfigsection0]
   ConfigPriority=NORMAL
   IOConfig= some values 
   MemConfig = some values 
   IRQConfig= some values 
   PcCardConfig=1:0:0(M)  ;16-bit mem access

If the user opens the Resources property page of the device and clears the Use automatic settings check box to manually configure resources, the system ignores the PcCardConfig settings and defaults to an 8-bit memory access mode.

Modification Type:	Minor	Last Reviewed:	7/27/2004
Keywords:	kbKMode kbprb kbsetup kbWDM KB295415