Conflict with another JTAG device when connected

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In addition to my Papilio 500k, I have a separate Altera Cyclone dev board.  When the USB blaster cable is plugged into my computer, I can no longer upload to the Papilio.  Seems that the Papilio uploader is trying to communicate with the wrong JTAG or FTDI device.  How can I force the Papilio uploader to talk only to the Papilio?  Or is there something I am not considering at all?


I tried moving around USB cables to see if that helps, but to no avail.





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