Int 2F Fn 110C  CU - Network Redirector - Get Disk Information             [N]

   AX = 110Ch
   ES:DI -> current directory structure for desired drive

Return: CF clear if data valid
       AL = sectors per cluster
       AH = media ID byte
       BX = total clusters
       CX = bytes per sector
       DX = number of available clusters
   CF set if data invalid

Note:  this function is called by the DOS 3.1+ kernel

See Also: INT 21/AH=36h