TO:
R64DDR has VIVO ENCODE chip--rage theater
it has driver issue with bt878(chip on atw)
u can wait for new MMC7.2 or 3 to fix it...
butttt....i've waited for ......6 month....
&
SB-live(or V???? DELUX) uses the same IRQ with ATW??...crash..
ask ur MB inc. to split them for peace...
.....i did that last summer.....hot & pain

good luck u all.....