©2018 NEC Display Solutions, Ltd.
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If other devices, such as “/dev/sdb”, are listed it could indicate that another USB drive is
currently connected. Disconnect the drive and repeat this step.
8.
Flash the OS image to the Compute Module.
Navigate to the folder where the image file was downloaded and unzipped.
For example, from a new terminal window:
cd Downloads
Perform a directory listing to confirm the name of the image file:
ls
Write the downloaded image to the Compute Module using:
sudo dd if=xxxxxxxx.img of=/dev/sda bs=4MiB
Where
xxxxxxxx.img
is the name of the image file to write.
Note
: This step will take several minutes to complete and erases all data on the Compute
Module.
When it is finished, confirm the “records in” matches the “records out”.
9.
The Compute Module in the display can now be restarted in normal mode to boot the device
(Example screens for navigating through the OSD controls are in step 6 above):
a.
On the NEC display select the
COMPUTE MODULE
video input.
b.
Navigate to the
COMPUTE MODULE
menu on the OSD.
c.
Navigate to the
SERVICE MENU
item on the
COMPUTE MODULE
menu.
d.
If the
USB BOOT MODE
setting is still set to
ENABLE
change it to
DISABLE
.
e.
Navigate to the
POWER
item on the
COMPUTE MODULE
menu.
f.
Select
POWER SUPPLY
to
OFF
.
g.
Wait for power to the Compute Module to be shutdown. If you navigate to the same
menu item it should now show
POWER SUPPLY OFF
.
h.
Select
POWER SUPPLY
to
ON
.
i.
The boot-up sequence for the Compute Module should be seen on the screen.
8.
Check for any system and firmware updates. See section 9.1.7.