I was searching for some info before buying a card and have read this. Some cards that are in Dell, possibly Gateway too, do not use the 'real' sound blaster chipset. I have read where people have trouble getting it to work.
If this is not built in but a seperate card, in a PCI slot, you may want to move to another slot. I read where someone did that and it worked fine. Suspected IRQ problems, not sure.
Hope that helps, otherwise. . . . . .
BUMP
