S B C X U s e r ' s G u i d e
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6.2
Hardware setup
This section describes how to quick start the SBCX
The system is programmed to automatically boot Linux at power up,
loading the bootloaded, the kernel image and the root file system from
the internal flash memory.
To start the system:
●
connect the 12Vcc power supply to JP2 on the DACU board
●
(optional) connect the DB9 adapter bracket to the J22 connector on the
SBCX and connect the DB9 connector to the PC COM port through a
NULL-modem cable (not provided)
●
connect the ethernet cable from your LAN hub/switch to the J16 RJ45
connector
●
connect to the SBCX through SSH, using the following parameters:
◾
ip address: 192.168.1.1
◾
username: root
◾
empty password
6.3
First boot
Once power has been applied, U-Boot bootloader will be executed and
the debug messages will be printed on the serial console. U-Boot
automatically runs the
autoboot
macro, that loads the kernel and
launches it with the options for mounting the root file system from the
flash memory. At the end of the boot process, a demo application is
launched and you can interact with the system using the touchscreen.
Moreover, the Linux shell is available on the serial console. Lastly, both
telnet and ssh services are available to connect to the system through
the network.
Please refer to Appendix 9.3 for an example of the boot messages.
6.3.1
Accessing the serial console
1.
connect the DB9 adapter bracket to the J22 connector on the
SBCX board
2.
connect a serial cable between DB9 connector and PC COM
port through a NULL-modem cable (not provided)
December, 2019
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Summary of Contents for SBC AXEL
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