13
www.buenoptic.net
（
803
）
User
：
root or
user(telnet can only use user to log in)
4.2 ttyS1-4 Serial Configuration
：
Baud rate
：
9600bps
Digit 8,No parity
，
1 digit halt1
Flow control
：
No
Terminal type
：
vt100
4.3 Power on
When the 801
（
803
）
are well connected
，
power on it
，
the system will automatically
start linux OS
，
and mount the file system
，
the user can log in 801 or 803 via
ethernet or serial interface,when the inner core finishes the loading,it will initialize the
system according to /etc/init tab .Then it will be connected to 801(803) via telnet tool.
Initialized process
：
/etc/inittab contains initializing configuration
，
system first excutes
/etc/rc.d/rcS,rcS first reads the config of rc.conf and then initialize the service under
/etc/rc.d/init.d and mounts to nand flash .
The second can write partition to/MNT/sys and/MNT/user, and run the/MNT/sys/net.
Conf, user. Conf, users without modifying the file system can through the two
configuration files to load the application or service, or in some users the environment
Settings. User application should be on one of these two partitions.
