Hi, I have a NEC 4550a setup in my computer, and then, I alwary have a DVDDecrypter / ImgBurn also install in my computer, I also use my DVDDecrypter burn a PS2 in DVD-r/+r and CD-r. (this NEC 4550a have old version a firmware is 1.08)..........#39;( Can you help me what can I do with DVDDecrypter / ImgBurn to change booktype to DVD-ROM. I have test with my NEC 4550a in any time, no help in here, I did not know weather if i change a booktype at NEC to DVD-ROM? All test are failed, I did know what can i do. if the fireware is old, where can i downlaod to upgrade it. (which firmware is well?) I am sorry, I hope you will help me, many thanks.