Hi,

Perhaps then, there's a problem with your logic board? I don't have a CC, so I don't know much about them, but if two different drives behave the same way and the disks are good, then your logic board's probably malfunctioning. Have you tried removing it (the board) for a visual inspection?

Also, do you have any other floppy-capable Macs? The way I know if a disk is good or bad is that I run it through several different computers. And even if you formatted the disk 'the right way', something could have gone wrong for whatever reason.

No doubt more people will come on who know more about CCs to give you advice, but my suggestion stands: you may need a different logic board.

-Apostrophe