Problems with DVD +R on Liteon 832S

I need your help. Mi liteon 832S, can´t read or burn any DVD +R. I try to flashing the firmware and nothings append. My system es an asus K8v se deluxe, with an amd64 3200+, 512mb, window xp64

thanks :confused:

This thread has been moved from the LiteOn standalone forum as the drive discussed here is a PC IDE drive. :wink: