Somehow I have a feeling that based on the age of that card and that the last
driver update that it received was almost 10 years ago (with the card coming out it 1998), I think it is safe to say that you aren't going to have much luck finding anything. In fact that card despite its name isn't even a Sound Blaster but a renamed Ensoniq (from back when Creative bought them out),
Sound Blaster - Wikipedia, the free encyclopedia
The card may still work on a supported operating system, but I have a feeling that most onboard sound from the last few years will have more features and sound better than it does.