Int 2F Fn 1503  - Cd-rom - Get Abstract File Name                          [d]

   AX = 1503h
   ES:BX -> 38-byte buffer for name of abstract file
   CX = drive number (0=A:)

Return: CF set if drive is not a CD-ROM drive
       AX = 000Fh (invalid drive)
   CF clear if successful

See Also: AX=1502h,AX=1504h