I have a nvidia v4 chip set and a HL-DT-ST DVDRAM GSA-4163B Firmware v0.5 burner worked a treat with the philips DVD+RW 1-4x disc's burn speed @ 4x
using clonecd to hide media
thanks for the tips and tricks helped alot was hard getting the disc's I did try the ricoh ones but didn't work and a few others.