Compatibility: 3.2+
Expects: AX    440dH
BX    drive (0=default, 1=A, 2=B, etc.)
CL    40H
CH    08H (device category: block device)
DS:DX addr of an IoctlDeviceParmsRec containing desired settings
                                                                  
Returns: AX    error code  if CF is set to CY
                                                                  
Info: Sets block device parameters (such as number of cylinders, bytes-
per-track, etc.) for the specified block device.

Notes:   Use 440dH 60H to obtain the current settings, then make
changes, then when done, restore the original settings.

See Also: Fn 44H (IOCTL)
Fn 440dH (generic IOCTL for block devices)
Fn 440dH 60H (query device parameters)
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DOS Fn 440dH CL=40H: IOCTL Set Device Parameters