i am using sblive 5.1, when i play dvd with asusdvd2000 i selected spdif, but there is a time lag between sound and picture, what can i do to avoid this problem?
Have you disalbed AC-3 decoding for SB Live! 5.1?
Also, have you try to use a different program to watch dvd?
And last, perhaps it's a problem related to vga card or cpu power?