An interesting note is the DVI specification doesn’t actually specify a maximum pixel clock, only that pixel clocks greater than 165 MHz must use two links. In fact, it states the first link can operate beyond 165 MHz if the pixel clock is greater than 330 MHz.
Custom Resolution Utility (CRU) 1.4.2 was recently released with a new feature that allows exporting self-contained EDID override installers. This includes an alternative method compatible with older Intel GPUs.
Use the “Export…” button:
Choose “EXE File” for the file type:
Run the .exe file:
Choose “Install EDID” to install the EDID override on all matching displays.