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#11
Can't really help with what does and doesn't work with the 2 NX as I have never had or used one, for the most part everything is guess work on what works with other cards. As to the Audigy 4 that I can do.
You shouldn't need the EAX Console but instead assuming it installed (and it should as it gets installed with the driver) you can make those settings in the Audio Console,
That is from Vista (haven't gotten around to moving that computer to 7 yet), but it should give you an idea what to look for.