INT 4A - TI Professional PC - KEYBOARD - SEND COMMAND TO KEYBOARD

	AH = 04h
	AL = command
	    00h reset to default states
	    01h enable auto-repeat (default)
	    02h disable auto-repeat
	    03h lock keyboard
	    04h unlock keyboard (default)
	    05h enable keyclick (requires hardware modification to work)
	    06h disable keyclick (default)
Return: nothing
SeeAlso: AH=00h,AH=02h,AH=03h,AH=04h,AH=05h