hi recently upgraded my old iaudio x5 with a zif ata sd card adaptor. Rockbox boots a lot more quickly!
the _ came with a cable inserted already. it didnt have a err blue strip on the end. it was white. I had could not get it to fit probably into the sd card adaptor. Tried the longer cable that came with the sdcard adaptor. noticed that it had blue strip on both ends and it fitted both the adaptor and the sdcard adaptor! then tried it out and it all worked
be careful to match pin 1 up with the adaptors.
saving thread by posting it. photos coming next.