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Usb loopback cable7/3/2023 LED DS3 should light up when switch S1 or button S6 are enabled). Note that the related LEDs should light up when the switches or buttons are in the on the state ( e.g. When prompted, toggle the switches (S1 through S4) and buttons (S6 through S9) on the board. Tests should start automatically and be shown on the Raspberry Pi display.ġ0. The board will boot into Linux to run the tests.ĩ. If two green LEDs are lit on the SOM without the blue FPGA LED being lit this means that the FPGA isn't getting configured properly which means there is an issue during early bring up such as the board's power sequence not running correctly.Ĩ. Confirm the green power LED and blue FPGA LED are both lit after a few seconds have passed (see the picture below). Make sure the power cable is plugged in and then power on the board. Insert a jumper on the P9 header, between pin 1 & 2, to enable USB OTG mode.ħ. Plug the Ethernet loopback module into breakout board Ethernet connector (M1).Ħ. Plug the OTG adapter into the breakout board USB OTG port (P11).ĥ. ![]() Plug the micro USB on the UART port (P14) on the breakout board.Ĥ. Make sure all the switches (S1 through S4) are set to the off position.ģ. Insert the SDR2 SOM board with test suite SD card into the breakout board.Ģ.
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