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Thread: Serial connection to a sparc 20

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  1. #1

    Serial connection to a sparc 20

    Hey guys, I'm setting up a sparc20 as a server for my domain for various services. I don't have a sun monitor to connect to it, so I'm going to use a serial cable with a null-modem on it. How would I setup my linux box to use the null-modem cable to connect to the Sun box?


  2. #2
    Join Date
    Dec 2001

    Re:Serial connection to a sparc 20

    Plug the null modem cable into Serial port A(could be the only one, but normally there's a serial port A and B). Set up minicom with whatever serial port you're using on the Linux side, 9600 bps, 8 data bits, Odd parity, 1 stop bit (8N1).

    Then turn on the Sparc. It should figure out there's no local keyboard/monitor and use the serial port as a console automatically. Before you unplug the null modem cable, you'll probably want to run 'kbd -a disable', which disables keyboard interrupts. Keyboard interrupts can be generated by the user(STOP-A on a Sun keyboard, CTRL-A-F in minicom) or by unplugging monitor/keyboard or serial cable. In either case, they have the same effect: breaking execution of the OS and bringing up a Solaris OpenBoot prompt(Sun's bios).

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