i've got a 20GB secondary drive in my PC that is filled with only mp3s.  whenever i play files from the drive, they stutter and slightly skip a bit.  the mp3s i put there were fine to begin with, and i know they haven't been corrupted because if i copy them from the 20GB drive (F

 and paste them on my C: drive or ipod, they play back fine.  i'm thinking it might be a bad IDE cable or something?  they're both NTFS if that matters at all.  anybody ever encounter this before?