8 Overview
1.5.2 Verify U-Boot Configuration
To ensure U-Boot will run a Linux image from the corresponding boot device, perform the follow-
ing steps.
1. Make a serial connection between the COM1 port of the LEC-iMX6 target and a host
computer.
2. Open a terminal program with settings 115200 Baud, 8N1. The following screen
appears.
3. Press any key to interrupt and open the U-Boot command shell.
4. Enter pri at the U-Boot> command line to list all environmental variables set inside
U-Boot.
5. Find the appropriate variable and run the corresponding start command. For example:
run boot_usb.
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