Short for
floppy drive, high density, and pronounced
fud-hud. FDHD refers to 3½-inch
disk drives for
Macintosh computers that can accept
double-density or
high-density 3½-inch
floppy disks. FDHDs can also
read DOS -
formatted floppy disks, which enables Macintosh computers and
PCs to share
data. FDHD drives are often called
SuperDrives.