INT 15 - SYSTEM - REQUEST POWER OFF (CONVERTIBLE,HP 95LX)
	AH = 42h
	AL = suspend type
	    00h to use system profile
	    01h to force suspend regardless of system profile
Return: nothing
Note:	the HP 95LX apparently suspends regardless of the value in AL; on
	  power-up, execution will resume following the instruction calling
	  this function
SeeAlso: AH=44h