(40,10) () MMC ITEM: system i/o parameters ------------------------------- With the system I/O parameters menu, you can set several communication parameters of system I/O ports. . SERVICE TYPE . BAUD RATE(COMMUNICATION SPEED) . CHARACTER LENGTH . PARITY TYPE . STOP BIT . PROTOCOL TYPE . RETRY COUNT . SIM PAIR . WAIT TIME WARNING: The first of 2 ports is only available in the ROM1 system.