INT 4D - TI Professional PCIBM PC - DISK - SET STANDARD DEVICE INTERFACE TABLE
	AH = 08h
	DL = drive number (00h-03h)
	AL = drive type
	    00h single-sided 48 tpi (40-track, 8 sectors, 512 bytes/sector)
	    01h double-sided 48 tpi (40-track, 8 sectors, 512 bytes/sector)
	    02h single-sided 96 tpi (80-track, 8 sectors, 512 bytes/sector)
	    03h double-sided 96 tpi (80-track, 8 sectors, 512 bytes/sector)
Return: nothing???
SeeAlso: AH=00h,AH=09h