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.
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Returns: AX error code if CF is set to CY
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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
disk.
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
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