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console — Output console device and options.




tty n

Use the virtual console device n .

ttyS n [, options ], ttyUSB0[, options ],

Use the specified serial port. The options are of the form bbbbpnf , where bbbb is the baud rate, p is parity (n, o, or e), n is number of bits, and f is flow control (r for RTS or omitted). Default is 9600n8.

See the file Documentation/serial-console.txt for more information on how to use a serial console. If you wish to have access to the kernel console information and do not have a serial port, see the netconsole command-line option.

uart,io, addr [, options ], uart,mmio, addr [, options ],

Start an early, polled-mode console on the 8250/16550 UART at the specified I/O port or MMIO address, switching to the specified ttyS device later. The options are the same as for ttyS shown earlier.

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