[[https://arachnoid.com/modelines/|Modeline Calculator. Works well]]

[[https://www.dell.com/en-us/work/shop/dell-22-monitor-p2217/apd/210-aiic/monitors-monitor-accessories#techspecs_section|My monitor]]

[[https://www.mythtv.org/wiki/Modeline_Database#Dell|Modeline Database]]

[[https://www.nvidia.com/content/Control-Panel-Help/vLatest/en-us/mergedProjects/nvdsp/To_change_the_timing_formula_for_your_HDTV.htm|CVT vs GTF]]

Use GTF for older monitors.