Kost, After making a few more checks, I wanted to follow-up to this particular post. On the EVM that I have, the silkscreen for switch S4 is correct, the switch should be set to the up position for use with the software. With S4 up, plugging in the USB cable, LEDs for D1, D2, and D4 come up green and the software recognizes the EVM. With S4 down and re-plugging in the USB cable; the EVM is in manual mode and while D4 comes up green, D3 becomes red and the software does not recognize the device. It is possible that you have a different revision of the board. I'm not sure if there was a proto version released. Regardless, I believe that your other previous comments are correct. I believe that S5 and S8 silkscreens are reversed for Header and Buffer, R89 should be removed. Additionally, I believe that MOSI and MISO silkscreens are reversed on the J3 header. Joseph Wu
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