INT 2F - Novell NetWare - LOW-LEVEL API (IPX) INSTALLATION CHECK

	AX = 7A00h
Return: AL = status
	    00h not installed
	    FFh installed
		ES:DI -> FAR entry point for routines accessed exclusively
			  through INT 7A in NetWare versions through 2.0a.
			  Call with same values as INT 7A
		ES:BX -> two bytes containing IPX major/minor version
			(IPXODI v2.12; BX unchanged by older IPX drivers)
		CX = ES ???
SeeAlso: AX=7AFFh/BX=0000h,AX=D800h,INT 64"Novell",INT 7A"LOW-LEVEL API"