INT 7F - Alloy NTNX (Host) - GET SHARED DRIVE INFO
	AH = 06h
	AL = drive number (1=A:, 2=B:, etc)
	ES:DI -> drive info record (see #03946)
Return: AX = status
	    0000h successful
		ES:DI buffer filled
	    0001h not shared drive
Format of Alloy drive info record:
Offset	Size	Description	(Table 03946)
 00h	WORD	segment of drive IO-REQUEST structure (MS-DOS DPBsee Drive Paramter Block)
 02h	WORD	segment of allocation map (owner table)
		one byte per FATsee File Allocation Table entry, containing user ID owning that entry
 04h	WORD	segment of master FATsee File Allocation Table for drive (copy of FATsee File Allocation Table 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	FATsee File Allocation Table type (0Ch = 12-bit, 10h = 16-bit)