DOS Fn 440dH CL=60H: IOCTL Query Device Parameters

                                                         Compatibility: 3.2+ 
 Expects: AX    440dH
          BX    drive (0=default, 1=A, 2=B, etc.)
          CL    60H
          CH    08H (device category: block device)
          DS:DX addr of a buffer to hold an IoctlDeviceParmsRec
                The rSpclFns field specifies to get info for the current or
                the default medium (i.e., for removable media devices)
 Returns: AX    error code  if CF is set to CY
          DS:DX buffer is filled with current settings
    Info: Obtains the block device parameters (such as number of cylinders,
          bytes-per-track, etc.) for the specified block device.  It can
          obtain info for the default media or the current active media.

          To get info for the current media:
            Put 01H in the rSpclFns field (at offset 0) before calling

          To get info for the default media:
            Put 02H in the rSpclFns field before calling

See Also: Fn 44H (IOCTL)
          Fn 440dH (generic IOCTL for block devices)
          Fn 440dH 40H (set device parameters)
          Generic IOCTL Data Packets
          Device Requests
          DOS Functions