DOS Fn 440dH CL=41H: IOCTL Write Track on Logical Drive

                                                         Compatibility: 3.2+ 
 Expects: AX    440dH
          BX    drive (0=default, 1=A, 2=B, etc.)
          CL    41H
          CH    08H (device category: block device)
          DS:DX addr of an IoctlRdWrtTrackRec identifying the size and
                memory address of the block to write and disk location.
 Returns: AX    error code  if CF is set to CY
    Info: Writes an entire trackful of data to a disk.  This could be used
          as part of a system to duplicate the entire contents of a disk.

          Carefully fill the IoctlRdWrtTrackRec with all the information
          needed before calling.  You may use Fn 440dH 60H (query device
          parameters) to obtain information about a track on the specified

See Also: Fn 44H (IOCTL)
          Fn 440dH (generic IOCTL for block devices)
          Fn 440dH 60H (query device parameters)
          Fn 440dH 61H (read disk track)
          Fn 440dH 62H (verify disk track)
          Generic IOCTL Data Packets
          DOS Functions