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

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

Return: AL = sectors per cluster
   AH = media ID byte
   BX = total clusters
   CX = bytes per sector
   DX = number of available clusters

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

See Also: INT 21/AH=36h