You are probably right.
+/-RW write strategies seem to be more complicated than regular DVD+/-RÂ´s, and the basic (on disc) prerecorded OPC values are unfortunally not enough for BenQ...
And in my opinion, BenQ 1620 is crap compared to other DVDRW drives when it comes to +/-RW burning.
Even stranger. Write strategy for this media is incorporated in NEC-3500 2.18 firmware (dated nov-04).
LetÂ´s hope you will get a firmware write strategy with next BenQ firmware release.
BTW, have you tried email BenQ support and ask for it.?
nobou, why don't you just burn this media with your NEC 6500...