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Hi, I am trying to implement Audio Demo on Zybo Z7 using this: https://reference.digilentinc.com/learn/programmable-logic/tutorials/zybo-z7-dma-audio-demo/start First, I wanted to do it just using Vivado 2018.2 (without SDK). I followed what is described in this comment: Bitstream is succesfully generated with two following warnings: [Labtools 27-3361] The debug hub core was not detected. Resolution: 1. Make sure the clock connected to the debug hub (dbg_hub) core is a free running clock and is active. 2. Make sure the BSCAN_SWITCH_USER_MASK device property in Vivado Hardware Manager reflects the user scan chain setting in the design and refresh the device. To determine the user scan chain setting in the design, open the implemented design and use 'get_property C_USER_SCAN_CHAIN [get_debug_cores dbg_hub]'. For more details on setting the scan chain property, consult the Vivado Debug and Programming User Guide (UG908). I tried to fix this warnings using Xilinx and Diligent forum, but wasnt successful. Device is programmed but the audio demo is not working (when I press BTN1 and after BTN2 I can not hear anything on headphones). Any suggestions/solutions are very well welcomed. Regards,