FD/USB Convertion without Computer

FD(CGS) and USB(CGSII) data are convertable in both directions without PC or Mac.
AO, AO-Light and AO-Tasuke can read the convert data.
CGSII, CGS, 2DD and DOS(FAT) are correspondent.
8inch FD drive correspondent to PC9801 and USB(CGSII) data are convertable in both directions.