The project supports CMOS interface only. VADJ on the ZC706 must be programmed to 1.8V Instructions can be found here: https://www.xilinx.com/Attachment/ZC706_Power_Controllers_Reprogramming_Steps.pdf https://forums.xilinx.com/t5/Xilinx-Evaluation-Boards/ZC706-Doesn-t-work-with-VADJ-at-1-8v/td-p/430086