I've got an ND 2500A 8x DVD burner. Windows XP OS. 2 Western Digital hard drives: C: 40GB, D: 80GB. I use Roxio CD/DVD 6.x Platinum. Drives appears so far to work perfectly fine except under 1 specific condition. If I'm creating a CD-R from any files contained on my D: drive, using any brand CD-R disc, AND I use the track-to-track record method, it will fail every single time. I can take that same disc and files on drive D: and use the disc-to--disc method and it works like a champ. Any files, format, CD-Rs, DVDs created from the C: drive, complete successfully. The only thing I can find that may be the differentiator is drive D:'s DMA Mode is 5, drive C:'s DMA mode is 4. Now I do have another system with a DVD burner in it and it has 2 mode 5 drives installed--works like a champ. So I don't think this is software related. I can't get any help from NEC or any of there websites--they don't even appear to acknowledge this drive's existance. Anyone got any ideas, feedback?