No GUI Option for 4 Pixels in Parallel Mode in Video Frame Buffer II IP Core 15.0 - No GUI Option for 4 Pixels in Parallel Mode in Video Frame Buffer II IP Core 15.0 Description The Video Frame Buffer II IP core version 15.0 does not provide an option for you to select 4 pixels in parallel mode. Resolution To fix this problem, follow these steps: Open the /../ip/altera/vip/ip_library/full_ip/cl_vfb/alt_vip_cl_vfb_hw.tcl file and edit line 70. <Original > set_parameter_property PIXELS_IN_PARALLEL ALLOWED_RANGES {1 2} <Change to> set_parameter_property PIXELS_IN_PARALLEL ALLOWED_RANGES {1,2,4} Save the file in the same location. Refresh Qsys and regenerate the system. This issue is fixed in version 15.1 of the Video Frame Buffer II IP core. Custom Fields values: ['novalue'] Troubleshooting novalue True ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 15.1 15.0 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']