INT 7F - Non-dedicated NetWare 2.x File Server - ENTER CONSOLE MODE
Notes:  the installation check consists of checking for the signature "Lynn"
          in the four bytes preceding the interrupt handler; if present, the
          current program is running as a DOS task on a non-dedicated NetWare
          2.x file server.
        Before placing the server into "console" mode, it is recommended that
          NetWare broadcast messages be disabled with INT 21/AX=DE00h.