Demo Program

Description:
    1. System
       .show node-id, port, irq, membase, ROM base (if available)
       .select a desired card from serveral 840 cards
    2. Loopback Test
       .data structure test
    3. Practical Tx/Rx Test
       .receive test
       .transmit test
       .transmit and receive test

Installation:
    (1) 840-dm.exe, (2) 840-dm.ini, (3) cylu0.pkt, (4) fa50.pkt,
    (5) digit.pkt, (6) dwio.scr,
    6 files should exist in the local harddisk.

Use:
    840-dm                          Run diagnosis program
    840-dm /g[=file_specify]        Generate NET.CFG as file_specify
    840-dm /n                       Run diagnosis program