Microsoft KB Archive/296117

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BUG: PCMCIA Hardware Identification is not Generated Properly

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Q296117

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The information in this article applies to:


 * Microsoft Windows 2000 Driver Development Kit (DDK), used with:
 * the operating system: Microsoft Windows 2000 SP1

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SYMPTOMS
Due to a bug in the PCMCIA bus driver in generating Hardware Identification values (HWID) for PCMCIA devices, devices are not enumerated.

CAUSE
During the enumeration, the Hardware Identification values for the PCMCIA card is generated by the PCMCIA bus driver. If the hardware generates the HWID according to the following format:

PCMCIA\MANUFACTURER-PRODUCT-MANUFACTURERCODE(4)-MANUFACTURERINFO(4) the device will have enumeration problems because the Microsoft Windows 2000 system does not include the &quot;PRODUCT&quot; string as part of the hardware ID.

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

MORE INFORMATION
Typically, hardware generates IDs in one of the following formats:

Format 1: PCMCIA\MANUFACTURER-PRODUCT-CRC(4)

Format 2: PCMCIA\MANUFACTURER-PRODUCT-MANUFACTURERCODE(4)-MANUFACTURERINFO(4) Microsoft Windows 2000 supports the first format, but not the second format.