INT 6F - HP Vectra EX-BIOS - "F_SND_BEEP_DISABLE" - DISABLE BEEPS
	AH = 38h
	BP = 0012h (driver ID of V_SYSTEM)
Return: AH = status (see #03744)
	BP,DS destroyed
SeeAlso: AH=00h"HP Vectra",AH=32h/BP=0012h,AH=36h/BP=0012h