INT 2F - Novell NetWare - TBMI v1.1+, shell v3.01d - INSTALLATION CHECK???      
	AX = 7AFFh
	BX = 0001h
	CX = 4E65h ("Ne")
	DX = 7457h ("tW")
Return: AL = FFh if installed
	    CX = ???  (8000h)
	    SI = ??? (or -> ???) (0002h and 0007h seen)
	    ES:DI -> IPX(Internetwork Packet Exchange) A low-level layer of Novell's NetWare networking software. far call handler
	    ES:DX -> 6-byte data area ???
Note:	this function is also supported by IPXODI, but IPXODI v2.12 does not
	  return ES:DX
SeeAlso: AX=7AFFh/BX=0000h