I have a sony DRU-800A and the specifications says that i can burn DVD-R at 1x. I put a dvd media that suport 1x-8x burn speed. im used nero 6, but the lower speed that i can burn is 4x. I want burn at 1x. if this dvd burner write DVD-R at 1x as mentioned..how i can force it to burn at 1x with nero. i used firmware KY06.