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  1. I have double check I am using the original Zybo I am using Vivado 2019.1 and XSDK 2019.1 The project device in vivado is xc7z010clg400-2 The procedure which I have taken to test the RAM was: -everytime, I changed the setting of RAM in vivado, I would rebuild the vivado project, program the board from vivado, and later export the hardware with bitstream, and start new project in XSDK with the exported hardware. I have tried setting the RAM to MT41J128M16JT-125 and recommended speed like it is mentioned in https://reference.digilentinc.com/_media/zybo:zybo_rm.pdf I did this for D
  2. I am trying to make RAM work on my zybo; however, it keeps failing the memory test, I have tried https://forums.xilinx.com/t5/Processor-System-Design-and-AXI/ZynQ-DRAM-fails-in-test/td-p/834342/ https://forum.digilentinc.com/topic/15755-ddr-issues-on-zybo-z7-20/ additionally, I have tried setting up different "memory part" in the settings in vivado according to these reference manuals https://reference.digilentinc.com/reference/programmable-logic/zybo-z7/reference-manual/ https://reference.digilentinc.com/_media/zybo:zybo_rm.pdf Do you know what I might be doing wrong?