Microsoft KB Archive/135175

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Cannot Use Two Xircom PCMCIA Network Cards at Once

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Q135175

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The information in this article applies to:


 * Microsoft Windows 95

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SYMPTOMS
If you start Windows 95 with one Xircom PCMCIA network card inserted in the computer, the card works correctly until you insert a second Xircom PCMCIA network card. When you insert the second card, the second card works correctly and the first stops working. If you remove and reinsert the first card, it works correctly and the second card stops working.

CAUSE
This problem occurs because both cards have the same PCMCIA ID but different checksums. The cards both appear to be the same card to Windows 95, so Windows 95 switches system resources from one card to the other.

RESOLUTION
If you must run two network cards at the same time, they cannot both be Xircom network cards.

MORE INFORMATION
Microsoft has confirmed this to be a problem in Microsoft Windows 95. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.

Keywords : win95

Issue type :

Technology : kbWin95search kbWin95