SGI Altix L1 serial console support

modulename: sn_console.ko

configname: CONFIG_SERIAL_SGI_L1_CONSOLE

Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>Serial drivers
└─>SGI Altix L1 serial console support
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
If you have an SGI Altix and you would like to use the system
controller serial port as your console (you want this!),
say Y. Otherwise, say N.

source code:
drivers/tty/serial/sn_console.c