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=== Test ===
'''NOTE: '''Starting from Kernel 2.6.37.y, ttySx are named ttyOx.
Connect UART2_TX with UART2_RX. Use minicom to prove UART2 (/dev/ttyS1) :<br>
<pre>minicom -D /dev/ttyS1</pre> NOTE: Starting from Kernel 2.6.37.y, ttySx are named ttyOx.
If you write characters and see the echo on the screen, you configure correctly UART.
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