i have a 3 monitor Asus VX238H Gaming Monitor, 23'' FHD 1920x1080, 1 ms ubuntu16.04.2 installed in a UDOO X86 Advanced + Performance Kit 128: Intel® Quad Core up to 2.24 GHz - 4 GB of RAM - 1xHDMI, 2xminiDP++ - eMMC 32 GB But it is good in fullhd with 2 monitor but 3 monitor don't start : i have to use 1280x720, if i use 1920x1080 the third don't work, can you help me?