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Diffstat (limited to 'sys-utils/README.setserial')
| -rw-r--r-- | sys-utils/README.setserial | 73 |
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diff --git a/sys-utils/README.setserial b/sys-utils/README.setserial new file mode 100644 index 000000000..bf3a5847d --- /dev/null +++ b/sys-utils/README.setserial @@ -0,0 +1,73 @@ +setserial Version 2.10 + +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 /etc/rc.serial, and then add to /etc/rc the lines: + +if [ -f /etc/rc.serial ]; then +sh /etc/rc.serial +fi + +Take a look at /etc/rc.serial; it was written to be relatively easy to +modify, and you may need to modify it so that it works best in your +environment. + + +------------------------------------------------------- + +Here is setserial's command line syntax: + +usage: ./setserial [-abgqvVW] serial-device [cmd1 [arg]] [cmd2] ... + +Available options: + -a Display all possible information about the port + -b Display boot-time level of information + -q Quiet flag + -v Verbose flag + + -g Get and display the serial information of all + serial ports on the machine + -V Display the current Version and then exit + + -W Do wild interrupt initialization and then exit + +Available commands: (* = Takes an argument) + (^ = can be preceded by a '^' to turn off the option) + * port set the I/O port + * irq set the interrupt + * uart set UART type (none, 8250, 16450, 16550, 16550A + * baud_base set base baud rate (CLOCK_FREQ / 16) + * divisor set the custom divisor (see spd_custom) + ^ fourport configure the port as an AST Fourport + autoconfigure automatically configure the serial port + ^ auto_irq try to determine irq during autoconfiguration + ^ skip_test skip UART test during autoconfiguration + + ^ sak set the break key as the Secure Attention Key + ^ session_lockout Lock out callout port across different sessions + ^ pgrp_lockout Lock out callout port across different process groups + ^ split_termios Use separate termios for callout and dailin lines + ^ hup_notify Notify a process blocked on opening a dialin line + when a process has finished using a callout + line by returning EAGAIN to the open. + ^ callout_nohup Don't hangup the tty if carrier detect drops on a + callout line. + + spd_hi use 56kb instead of 38.4kb + spd_vhi use 115kb instead of 38.4kb + spd_cust use the custom divisor to set the speed at 38.4kb + (baud rate = baud_base / custom_divisor) + spd_normal use 38.4kb when a buad rate of 38.4kb is selected + +Use a leading '0x' for hex numbers. +CAUTION: Using an invalid port can lock up your machine! |