Is it necessary to "activate" the optical out.... and if optical is engaged will headphone out jack work (because a) not getting anything from my optical out... and b) headphone jack is engaged). Thanks.

Thanks to all of you who helped me install Rockbox. So... I've loaded some music on the 120.... and I'm all eager to try the optical out with my D-10, when I realize this optical out looks like no optical out I've ever seen. None of my optical cords fit. Where can I find one that fits the...

bought the iRiver on ebay. First off, I can't even figure out how to play anything on it... I was told it was drag and drop... but it isn't working. In any event....while trying to load rockbox it says "bootloader installation requires you to provide firmware file of the original firmware...