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4.1
System Recovery
This section provides detail procedures of restoring the eMMC image. You can do
system recovery following these steps if you destroy onboard flash image by acci-
dent.
1.
Copy "5420LIVxxxx.tar.bz2" package to your desktop.
2.
Open "Terminal" on Ubuntu 10.04 LTS.
3.
$sudo su (Change to "root" authority)
4.
Input your password.
5.
#cd Desktop/
6.
#tar xvf 7420LIVxxxx.tar.bz2 (Unzip files)
7.
Insert one SD card to your developing computer
8.
Check the SD card location, like /dev/sdf
9.
#cd ./5420LBVxxxx_prebuilt_image
10.
#dd if=5420LIVxxxx.img of=/dev/sdf
11.
Please wait until dump disk is done
12.
Connect console cable to debug port (CN1) and open serial console program on
Ubuntu 10.04 LTS, set baudrate to 115200. For detail console setting, please
refer to section 3.6.
13.
On ROM-5420 platform, type #root (Login)
14.
On ROM-5420 platform, type #cd /mk_inand
15.
On ROM-5420 platform, type #./mkinand-linux.sh /dev/mmcblk0
16.
On ROM-5420 platform, type "y "
(Start to copy files, wait until it shows [Done])
17.
Power off and remove this SD card.
ROM-5420 User Manual
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