INT 4D - TI Professional PCIBM PC - DISK - SET DEVICE INTERFACE TABLE ADDRESS
	AH = 09h
	DL = drive number (00h-07h)
	ES:BX -> Device Interface Table (see #03226)
Return: nothing???
SeeAlso: AH=00h,AH=08h,AH=0Ah,INT 1E


Format of TI Professional PCIBM PC Device Interface Table:
Offset	Size	Description	(Table 03226)
 00h	DWORDDoubleword; four bytes.	 Commonly used to hold a 32-bit segment:offset or selector:offset address.	-> entry point for disk routine
 04h	WORD	bytes per sector
 06h	BYTE	sectors per track
 07h	BYTE	number of heads
 08h	BYTE	number of cylinders
 09h	BYTE	retry count
 0Ah	BYTE	precompensation start
SeeAlso: #01264 at INT 1E