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RSB-4220 User Manual
Chapter 3
S
oftware
Functionality
3.6.3
Boot from Onboard Flash
If you’ve already had a Linux system SD card, you can refer following steps to copy
the content to onboard flash and then boot from onboard flash. Advantech also pro-
vide you a script “mkinand-linux.sh” to speed up the process of installing system
image to onboard flash.
1.
Refer to Chapter 3.6.1 to make a Linux system SD card.
2.
Insert this Linux system SD card to RSB-4220 and connect serial console.
3.
On RSB-4220 platform, type
#root
(Login)
4.
On RSB-4220 platform, type
#cd
/mk_inand
5.
On RSB-4220 platform, type
#./mkinand
‐
linux.sh
/dev/mmcblk1
6.
Power off and remove this SD card.
Then you can boot from onboard flash without SD card.
3.7
Debug Message
RSB-4220 can connect to a host PC (Linux or Windows) by using console cable and
debug port adapter. In order to communicate with host PC, serial communication pro-
gram such as HyperTerminal, Tera Term or PuTTY is must required. Below is the
detail instruction of how to set up serial console, a “HyperTerminal” on a Windows
host:
1.
Connect RSB-4220 to your Windows PC by using serial cable, debug port
adapter and console cable.
2.
Open HyperTerminal on your Windows PC, and select the settings as shown in
Figure 3-5.
3.
Power up the board. The bootloader prompt is displayed on the terminal screen.
Figure 3.5 HyperTerminal Settings for Serial Console Setup