Welcome to the Forum.
MadDog was not a manufacture of ANY electronic devices but was a retailer that ReBadged other manufactureâ€™s electronic devices. Most MadDog Multimedia Megastor MD-16XDVD9 DVD Burners were ReBadged NEC ND-3500A DVD Burners. In short your MadDog Multimedia Megastor MD-16XDVD9 DVD Burner is actually a NEC ND-3500A DVD Burner.
Suggest ambling over to the NEC DVD Burner Forum (http://club.cdfreaks.com/f86) and acquaint yourself with how the NEC ND-3500A bit sets DVD+R to book type DVD-ROM.
Forum Member Liggy has modified NEC ND-3500A Firmware available that has automatic booktype bit setting. Suggest visiting Liggy’s modified NEC Firmware Page ->
If you look on the left-hand side of the above Web Page you will note that there is a â€œFlashing Tutorialâ€ that details how to flash your MadDog Multimedia Megastor MD-16XDVD9 DVD Burner with the modified NEC ND-3500A automatic booktype bit setting Firmware.
Automatic booktype bit setting Firmware means that through the DVD Burner Firmware booktype bit setting of DVD+R Media to DVD-ROM is done automatically during the Burning of the DVR+R Media and no user intervention is required.