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  1. Hi @jpeyron I've sent you a PM for the connection. Thanks, Neil
  2. Hi @JColvin The Digilent Adept software can’t see the JTAG SMT2 module. (please see attached "Digilent Adapter show") The OS shows "Usb device description component failed" (please see attached "OS USB shows") Thanks, Neil
  3. I have tried the FTDI driver but it still doesn’t work. Neither for uninstall / reinstall driver. I also have some experiment that point out the issue caused by this JTAG-SMT2 module: 1. Get one pcs FT232H Development Module and rework it to our M/B, it works well, no matter read it from external PC or our M/B PCH. 2. Remove EEPROM of on FT232H Development Module, the external PC can recognize FT232 chip without any problem. 3. Tried to measure 3.3V, 2.5V power, 12MHz x’tal and Reset signal, all looks good. 4. Remove the 3.3V power that provide from our M/B to FT232H Development Module, we can reproduce the same symptom on T232H Development Module. Currently all of those check result are indicate there is something wrong on JTAG-SMT2 module. Please help on this. Thanks, Neil