INT 32 - NOISE.SYS v0.55+ - GET DEVICE DRIVER HEADER                            
	AX = 6E06h
Return: AL = number of device drivers in NOISE.SYS chain
	    02h = default (for RANDOM and URANDOM devices)
	AH = AMISAlternate Multiplex Interrupt Specification device driver flags (set to 00h for now)
	DX:BX -> first device in chain (see #01646)
SeeAlso: INT 2D/AL=06h