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Table 3946

Format of Alloy drive info record:
Offset	Size	Description	)
 00h	WORD	segment of drive IO-REQUEST structure (MS-DOS DPB)
 02h	WORD	segment of allocation map (owner table)
		one byte per FAT entry, containing user ID owning that entry
 04h	WORD	segment of master FAT for drive (copy of FAT on disk)
 06h	WORD	pointer to configuration file
 08h	WORD	total number of clusters
 0Ah	WORD	bytes per sector
 0Ch	WORD	sectors per cluster
 0Eh	BYTE	FAT type (0Ch = 12-bit, 10h = 16-bit)

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