Compatibility: 3.2+
Expects: AX    440dH
BX    drive (0=default, 1=A, 2=B, etc.)
CL    42H
CH    08H (device category: block device)
DS:DX addr of an IoctlFmtVrfyTrackRec identifying the head and
cylinder number to format.
                                                                  
Returns: AX    error code  if CF is set to CY
                                                                  
Info: Formats and verifies the specified track on a disk.  Use
fn 440dH 40H (set device parms), if necessary to coerce the
driver into accepting a non-default track layout.

See Also: Fn 44H (IOCTL)
Fn 440dH (generic IOCTL for block devices)
Fn 440dH 41H (write disk track)
Fn 440dH 61H (read disk track)
Fn 440dH 62H (verify disk track)
- -

DOS Fn 440dH CL=42H: IOCTL Format Track on Logical Drive