THANKS for the info,youjust comfermed everything ive figgered out so far.ive got an outher prob my NW-e103-poker chip.cant seem to load music on the dam thing,its a flash drive,an for the life of me it wont upload?? from the pc/laptop-whats the trick,i plug it in my Mac an get a Disk/Img,great!iam a Hard/Ware Tec,so iam working on a cool little cabl/USB to ? not sure yet,i need to learn a bit more about the hardware,but i will do it! Mac to Mini Disk,good luck-AH.any input would be great,maby this has bin done allredy,or not! THANKS just looked @ your post again!i understand the transfer,thing with the upload files in SP, LP2 or LP4 MZ-RH1.but its a signal!you have to figger out the S/W-H/W that talks to that exact signal,then go from there,sounds like a long prosess AH.