Originally posted by: The J
I think the lower models use the "FlexiJack" for digital I/O, mic in, and line in. You have to choose its function from a console. I don't have the card so I can't help you much more than that.
Originally posted by: wildcat86
The xtreme music doesnt have spdif but you can get the platinum or above and those come with the breakout box that will have it.
I do not think this is correct. Xtreme Music does not have optical spdif but has electrical spdif which can be configured in settings, as mentioned by NatePo717 and The J