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文件: /usr/share/doc/setserial-2.17/README
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setserial Version 2.17 (27-Jan-2000) Setserial is a program which allows you to look at and change various attributes of a serial device, including its port, its IRQ, and other serial port options. Starting with Linux 0.99 pl10, only the COM1-4 ports are configured, using the default IRQ of 4 and 3. So, if you have any other serial ports provided by other boards (such as an AST Fourport), or if COM3-4 have been a non-standard IRQ so that you can use time simultaneously with COM1-2, you *must* use this program in order to configure those serial ports. The simplest way to configure the serial ports is to copy the provided rc.serial file to the appropriate /etc/rc.d directory. For example, to install rc.serial on a Fedora system, copy rc.serial to /etc/rc.d/init.d/serial, and then run the command "chkconfig --add serial".
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