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.
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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.
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If you must run two network cards at the same time, they cannot both be
Xircom network cards.
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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.
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This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.
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