Format of DRFAT32 partition data table:
Offset	Size	Description	)
 00h	BYTE	size of following public data structure (9)
	--- public data (needed by the DRFAT32.EXE redirector) ---
 01h	WORD	bytes per sector
 03h	BYTE	sectors per cluster
 04h	WORD	reserved sectors
 06h	DWORD	root directory start cluster
	--- private data ---
 0Ah	DWORD	sectors per track
 0Eh	DWORD	root directory sector
 12h	DWORD	partition start sector
 16h	DWORD	highest partition sector allowed
		(only if range checking enabled)
 1Ah	DWORD	absolute cluster start sector
		(cluster start sector+partition start sector)
 1Eh	DWORD	total sectors per track (number of heads * sectors per track)
 22h	BYTE	drive unit (default 80h)
 23h	BYTE	temp buffer: CHS sectors to write (if verify enabled)
 24h	BYTE	INT 13h extension version
	--- CHS data ---
 25h	WORD	cylinder
 27h	WORD	head
 29h	WORD	sector
	--- LBA data ---
 2Bh 16 BYTEs disk address packet (see #00272 at INT 13/AH=42h)
SeeAlso: #04109