INT 67 - LIM EMSsee Expanded Memory Specification - GET NUMBER OF PAGES
	AH = 42h
Return: AH = status (see also AH=40h)
	    00h function successful
		BX = number of unallocated pages
		DX = total number of pages
BUG:	DOS 6.0 EMM386.EXE causes a system lock-up or reboot if in AUTO mode
	  when this call is made; use AH=46h to ensure that EMM386 is ON
	  before making this call
SeeAlso: INT 2F/AX=2702h