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    Question: Do you have a USB version of the ISR cable?

    Response: Yes, our CY3950I Programming kit is our USB version of the USBISR Programming Cable. It will run on a USB 1.1/2.0 host controller and is compatible with Windows 98, Windows 98 2nd Edition, Windows ME, Windows NT 4.0 ServicePack 5, Windows 2000 Service Pack 1 or later and Windows XP. 

    The 3950I programming kit contains the same prototype board, ISR Software 4.0 and application notes as the CY3900I programming kit.