One would ASSUME that those P to S adaptors would also work on Optical drives, though i owuldnt bet my life on it as they are a little different in that they use the ATAPI transfer protocol, not plain ATA.
PATA will die, but not for a long time yet!
<b>My Computer is so powerful Sauron Desires it and mortal men Covet it, <i>My Precioussssssss</i></b>