INT 2F - Novell NetWare - TBMI v2.0 - INSTALLATION CHECK???
        AX = 7AFFh
        BX = 0000h
        CX = 4E65h ("Ne")
        DX = 7457h ("tW")
        ES:DI -> IPX/SPX special handler (XMS/EMS ???)
Return: AL = FFh if installed
            CX = configured sockets (14h)
            DS:SI -> data table ???
            ES:DI -> IPX far call handler
Note:   for IPX/SPX this call reportedly returns DS:DI pointing to the table
          of pointers to service events queue head and tail