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==== Interupting Boot ====
 
The device will not detect the key you press unless Minicom is configured properly.
 
* To access the Help screen, Press CTRL-A, then press Z.
* To access the configuration/settings, press CTRL-A, then press O.
 
From the configuration window, select to view the 'Serial port setup'
 
$ sudo minicom -D /dev/ttyUSB0 -o -b 115200 -8
Welcome to minicom 2.7
OPTIONS: I18n
Compiled on Jan 1 2014, 17:13:19.
Port /dev/ttyUSB0, 21:47:56
 
Press CTRL-A Z for help on special keys
 
+-----[configuration]------+
| Filenames and paths |
| File transfer protocols |
| Serial port setup |
| Modem and dialing |
| Screen and keyboard |
| Save setup as dfl |
| Save setup as.. |
| Exit |
+--------------------------+
+-----------------------------------------------------------------------+
| A - Serial Device : /dev/ttyUSB0 |
| B - Lockfile Location : /var/lock |
| C - Callin Program : |
| D - Callout Program : |
| E - Bps/Par/Bits : 115200 8N1 |
| F - Hardware Flow Control : Yes |
| G - Software Flow Control : No |
| |
| Change which setting? |
+-----------------------------------------------------------------------+
 
By default the Hardware Flow Control will be enabled. Press 'F' to disable Hardware Flow Control. Press ENTER to exit the Serial port setup window, and then select EXIT to go back to the program.
 
At this point plug in the Ethernet cable to the 'Main' Ethernet port, with the other end connected to the 'POE' port on the Power Over Ethernet adapter that came with the device. As the device boots up, you'll see output similar to the following.
You'll need to make sure to press a key before it boots the default image.
Hit any key to stop autoboot: 0
As you can see This will cause the device identifies itself as using U-Boot v1.1.4. [https://wiki.openwrt.org/doc/techref/bootloader/uboot U-Boot]bootloader to drop into a command line.
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