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  Interrupt:   13h     Function:   17h
 
  Title:       Set Disk Type
 
  Description:                                               [AT] [PS/2]
 
     Selects a floppy disk type for the specified drive.
 
     Input                                 Output
 
     AH = 17h                              If function successful
     AL = Floppy disk type code              Carry flag: clear
        = 00h (not used)                     AH = 00h
        = 01h (320/360K floppy disk
              in 360K drive)               If function unsuccessful
        = 02h (320/360K floppy disk          Carry flag: set
              in 1.2 megabyte drive          AH = Status
        = 03h (1.2 megabyte floppy disk           See: Int 13h
              in 1.2 megabyte drive)                   Function 01h
        = 04h (720K floppy disk
              in 720K drive)
     DL = Drive
        = 00h-7Fh floppy disk
                                    -♦-