Article ID: 257458 - Last Review: October 30, 2006 - Revision: 3.2 PC Card Driver Updated to Allow Interrupt SharingThis article was previously published under Q257458 SYMPTOMS
16-bit PC CARD (PCMCIA) PCI devices that rely on interrupt sharing, such as SCM Microsystems PC Card readers, may not work on Windows 2000.
RESOLUTIONTo resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the
Microsoft Knowledge Base:
260910
(http://support.microsoft.com/kb/260910/EN-US/
)
How to Obtain the Latest Windows 2000 Service Pack
The PC Card driver has been modified to allow 16-bit PC Cards to use shared PCI interrupts. STATUSMicrosoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows 2000 Service Pack 1. MORE INFORMATION
When the fix is installed via the hotfix installer, it would add the following registry entry. No user invention is needed.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Pcmcia\Parameters
Value: DisableIsaToPciRoutingType: REG_DWORD Data: 0
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