INT 15 - Advanced Power Management v1.2 - ENABLE/DISABLE RESUME ON RING         
	AX = 5312h
	BX = device ID (see #00474)
	    0000h (APM BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware.  The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly.)
	    other reserved
	CL = function
	    00h disable Resume on Ring Indicator
	    01h enable Resume on Ring Indicator
	    02h get Resume on Ring Indicator status
Return: CF clear if successful
	    CX = resume status (0000h disabled, 0001h enabled)
	CF set on error
	    AH = error code (03h,09h,0Ah,0Bh,0Ch,86h) (see #00473)
Notes:	this function is supported via the INT 15, 16-bit protected mode, and
	  32-bit protected mode interfaces
SeeAlso: AX=5300h,AX=5310h,AX=5311h,AX=5313h