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serial_cable [2006/12/08 01:02]
127.0.0.1 external edit
serial_cable [2008/10/21 18:06] (current)
rgetz add uart boot trick
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   * check parity, and number of stop bits   * check parity, and number of stop bits
   * check the cable (short pins two and three - this should provide loopback - anything you type on the keyboard, should be echoed back)   * check the cable (short pins two and three - this should provide loopback - anything you type on the keyboard, should be echoed back)
 +  * for systems that support [[:bootloaders:bootrom#availability|UART Boot]] - connect with your favourite terminal, reset the board, and hit the "space" bar. you should get 2 garbage char back. If you don't - it means your cable or terminal application is not functioning properly.<xterm>��</xterm>